Steven Barry Machtinger, MD
Allergy/Immunology · San Francisco
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- 15
- 4 carriers
- Offices
- 2
Offices
2 locations · Regents of the University of California - UCSF · Steven Machtinger MD and Associates Inc
Hospitals listed: Mills-Peninsula Medical Center. That is not proof they admit you there this week.
Plans that list them
15 plans · 4 carriers
A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Machtinger’s office to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.
15 of 15 plans
| Alignment Health BreathEasy (HMO C-SNP) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Clarity (HMO C-SNP) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Harmony (HMO) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Heart & Diabetes (HMO C-SNP) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Heart & Diabetes CalPlus (HMO C-SNP) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Heart & Diabetes Care (HMO C-SNP) | Alignment Health Plan | Listed | Sep 28, 2026 |
| Alignment Health Heart & Diabetes Choice (HMO C-SNP) | Alignment Health Plan | Listed | Sep 28, 2026 |
| Alignment Health Honor+ Plan (HMO) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health My Choice CalCare (HMO) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Anthem Full Dual Advantage Aligned (HMO D-SNP) | Anthem Blue Cross | Listed | Oct 3, 2026 |
| Anthem Medicare Advantage (HMO-POS) | Anthem Blue Cross | Listed | Oct 3, 2026 |
| Anthem Prime (HMO-POS) | Anthem Blue Cross Partnership Plan | Listed | Oct 3, 2026 |
| Imperial Courage Plan (HMO) | Imperial Health Plan of California, Inc. | Listed | Sep 1, 2026 |
| Imperial Dynamic Plan (HMO) | Imperial Health Plan of California, Inc. | Listed | Sep 1, 2026 |
| Imperial Senior Value (HMO C-SNP) | Imperial Health Plan of California, Inc. | Listed | Sep 1, 2026 |
California Medical Board record
Licence G42041 · Current
Licensed to practise in California · since 1980 · expires 2028-03-31 · University of Pittsburgh School of Medicine.
No disciplinary actions, convictions, malpractice judgments or citations in this record.
Hospitals they work in
1 hospital
These rate the hospital, not this clinician. Most measures at most hospitals are no different from the national rate.
- Peninsula Medical CenterBurlingame, CAAcute Care Hospital · Voluntary non-profit - Private · Has an emergency department · Birthing-friendlyPart of Sutter Health, which runs 27 hospitals in 2 statesPatients rate it 4 of 5 · 78% would definitely recommend itOverall rating: 5 of 5 starsBetter than the national rate — Catheter Associated Urinary Tract Infections (ICU + select Wards): 0.139, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.242, Oct 2024 – Sep 2025
See every measure and the patient survey for Peninsula Medical Center
Behind the star rating — Deaths: 2 better, 6 the same, 0 worse of 8 measures. Safety: 2 better, 5 the same, 0 worse of 7 measures. Readmissions: 0 better, 10 the same, 1 worse of 11 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.
| Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections | 0.139 | Better | Oct 2024 – Sep 2025 |
| Clostridium Difficile (C.Diff)Infections | 0.242 | Better | Oct 2024 – Sep 2025 |
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 1.21 (0.27 to 2.15) · 1,258 cases | No different | Jul 2022 – Jun 2024 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 0.81 (0.51 to 1.1) | No different | Jul 2022 – Jun 2024 |
| Death rate among surgical inpatients with serious treatable complicationsComplications and deaths | 155.44 (112.67 to 198.21) · 90 cases | No different | Jul 2022 – Jun 2024 |
| Death rate for CABG surgery patientsComplications and deaths | 2.5 · 32 cases | None | Jul 2022 – Jun 2025 |
| Death rate for COPD patientsComplications and deaths | 7.1 · 82 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart attack patientsComplications and deaths | 10 · 188 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart failure patientsComplications and deaths | 9 · 473 cases | None | Jul 2022 – Jun 2025 |
| Death rate for pneumonia patientsComplications and deaths | 14.8 · 342 cases | None | Jul 2022 – Jun 2025 |
| Death rate for stroke patientsComplications and deaths | 9.4 · 485 cases | None | Jul 2023 – Jun 2025 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 2.9 · 3,730 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.2 (0 to 0.4) · 6,904 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.21 (0.02 to 0.4) · 7,052 cases | No different | Jul 2022 – Jun 2024 |
| Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths | 3.41 (1.43 to 5.39) · 1,695 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative acute kidney injury requiring dialysis rateComplications and deaths | 1.72 (0.17 to 3.28) · 665 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative hemorrhage or hematoma rateComplications and deaths | 2.11 (0.66 to 3.56) · 1,545 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative respiratory failure rateComplications and deaths | 7.1 (1.3 to 12.9) · 670 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative sepsis rateComplications and deaths | 5.96 (2.63 to 9.29) · 653 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative wound dehiscence rateComplications and deaths | 1.61 (0.15 to 3.08) · 418 cases | No different | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 0.14 (0 to 0.78) · 5,539 cases | No different | Jul 2022 – Jun 2024 |
| Rate of complications for hip/knee replacement patientsComplications and deaths | 3.7 · 192 cases | None | Apr 2023 – Mar 2025 |
| Central Line Associated Bloodstream Infection (ICU + select Wards)Infections | 0.215 | No different | Oct 2024 – Sep 2025 |
| MRSA BacteremiaInfections | 0.263 | No different | Oct 2024 – Sep 2025 |
| SSI - Colon SurgeryInfections | 0.74 | No different | Oct 2024 – Sep 2025 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits | 14.3 · 300 cases | None | Jul 2023 – Jun 2025 |
| Heart failure (HF) 30-Day Readmission RateUnplanned return visits | 19 · 702 cases | None | Jul 2023 – Jun 2025 |
| Hospital return days for heart attack patientsUnplanned return visits | 1.2 · 207 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for heart failure patientsUnplanned return visits | -13.6 · 531 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for pneumonia patientsUnplanned return visits | 24.3 · 343 cases | None | Jul 2022 – Jun 2025 |
| Pneumonia (PN) 30-Day Readmission RateUnplanned return visits | 18.1 · 449 cases | None | Jul 2023 – Jun 2025 |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits | 4.5 (2.8 to 7) · 85 cases | No different | Jan 2024 – Dec 2024 |
| Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits | 9.6 (6.7 to 13.7) · 85 cases | No different | Jan 2024 – Dec 2024 |
| Rate of readmission after hip/knee replacementUnplanned return visits | 5.7 · 189 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for CABGUnplanned return visits | 11 · 45 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits | 20.6 · 117 cases | None | Jul 2023 – Jun 2025 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits | 13 (9.7 to 17.2) · 584 cases | No different | Jan 2022 – Dec 2024 |
| Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits | 0.9 (0.7 to 1.2) · 764 cases | No different | Jan 2024 – Dec 2024 |
What patients said (523 patients answered, 27% of those asked)
| Cleanliness | 4 |
| Nurse communication | 4 |
| Doctor communication | 4 |
| Communication about medicines | 3 |
| Discharge information | 4 |
| Overall hospital rating | 4 |
| Quietness | 3 |
| Recommend hospital | 5 |
| Room was "always" clean | 76% |
| Nurses "always" communicated well | 81% |
| Doctors "always" communicated well | 80% |
| Staff "always" explained | 58% |
| Yes, staff "did" give patients this information | 89% |
| Yes, staff "did" give patients information about help after discharge | 87% |
| Doctors "always" explained things so they could understand | 74% |
| Doctors "always" listened carefully | 79% |
| Doctors "always" treated them with courtesy and respect | 87% |
| Patients who gave a rating of "9" or "10" (high) | 75% |
| Staff "always" explained new medications | 72% |
| Nurses "always" explained things so they could understand | 77% |
| Nurses "always" listened carefully | 79% |
| Nurses "always" treated them with courtesy and respect | 88% |
| "Always" quiet at night | 54% |
| "YES", patients would definitely recommend the hospital | 78% |
| Staff "always" explained possible side effects | 44% |
| Yes, staff "did" give patients information about possible symptoms | 90% |
Original Medicare doctor bills
$168,444
Medicare paid this office $168,444 for 118 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Professional service for preparation and provision of 1 or more antigens | 28 | $8,896 | $15 |
| Short return visit (20+ min) | 58 | $6,376 | $75 |
| Return visit (30+ min) | 39 | $6,225 | $106 |
| New patient visit (45+ min) | 30 | $4,487 | $150 |
| Test for allergy using allergenic extract | 13 | $2,982 | $3 |
See all 10 services
| Professional service for preparation and provision of 1 or more antigens | 28 | $8,896 | $15 |
| Short return visit (20+ min) | 58 | $6,376 | $75 |
| Return visit (30+ min) | 39 | $6,225 | $106 |
| New patient visit (45+ min) | 30 | $4,487 | $150 |
| Test for allergy using allergenic extract | 13 | $2,982 | $3 |
| Professional service for multiple injections of allergen | 17 | $2,602 | $13 |
| Injection of drug or substance under skin or into muscle | 13 | $2,564 | $13 |
| Professional service for single injection of allergen | 18 | $2,119 | $10 |
| Test to measure expiratory airflow and volume | 47 | $1,642 | $26 |
| Test to measure the level of nitric oxide gas | 41 | $1,109 | $18 |
Who their Medicare patients are
118 Original Medicare patients in 2024. Average age 75 · Women 63% · Health risk score 0.80. At or below the middle of the specialty; the typical allergy/ immunology clinician is at 1.
Conditions among them: High blood pressure 58% · Cancer 17% · COPD 17% · Depression 17% · Coronary heart disease 16% · Atrial fibrillation 16% · Diabetes 15% · Chronic kidney disease 11% · Heart failure 9%.
The office billed $396,303, Medicare allowed $217,188 and paid $168,444; for 6,736 services of 22 kinds.
Original Medicare patients only. A risk score of 1.0 is the average Medicare patient; higher means sicker. Any count under 11 is hidden.
Year by year
| 2024 | 118 | 6,736 | 75 | 0.80 | $396,303 | $168,444 |
| 2023 | 109 | 5,576 | 74 | 0.76 | $298,395 | $131,233 |
| 2022 | 105 | 4,043 | 73 | 0.70 | $196,268 | $84,170 |
| 2021 | 90 | 3,956 | 74 | 0.83 | $176,257 | $88,528 |
| 2020 | 91 | 3,663 | 74 | 0.80 | $180,154 | $94,567 |
| 2019 | 96 | 5,111 | 73 | 0.77 | $219,043 | $110,871 |
| 2018 | 93 | 4,451 | 73 | 0.84 | $172,862 | $89,414 |
| 2017 | 91 | 4,193 | 72 | 0.83 | $170,411 | $87,334 |
| 2016 | 95 | 3,236 | 72 | 0.75 | $131,953 | $62,801 |
| 2015 | 105 | 2,128 | 72 | 0.78 | $89,783 | $36,878 |
| 2014 | 74 | 1,432 | 74 | 0.85 | $68,356 | $27,556 |
| 2013 | 86 | 2,162 | 73 | 0.91 | $72,072 | $33,356 |
Original Medicare only. A service billed for fewer than 11 people in a year is hidden, so the lines can add up to less than the year's total.
See the services billed each year
2023: 10 services
| Professional service for preparation and provision of 1 or more antigens | 25 | $8,637 | $14 |
| Short return visit (20+ min) | 62 | $8,187 | $74 |
| New patient visit (45+ min) | 35 | $4,945 | $141 |
| Test for allergy using allergenic extract | 16 | $3,665 | $4 |
| Return visit (30+ min) | 26 | $3,332 | $115 |
| Professional service for multiple injections of allergen | 16 | $2,460 | $12 |
| Professional service for single injection of allergen | 19 | $2,163 | $10 |
| Injection of drug or substance under skin or into muscle | 11 | $1,880 | $12 |
| Test to measure expiratory airflow and volume | 35 | $1,313 | $25 |
| Test to measure the level of nitric oxide gas | 33 | $799 | $16 |
2022: 9 services
| Professional service for preparation and provision of 1 or more antigens | 25 | $9,074 | $16 |
| Short return visit (20+ min) | 55 | $6,574 | $76 |
| New patient visit (45+ min) | 30 | $3,903 | $130 |
| Test for allergy using allergenic extract | 12 | $3,237 | $4 |
| Return visit (30+ min) | 22 | $2,761 | $95 |
| Professional service for multiple injections of allergen | 17 | $2,479 | $10 |
| Professional service for single injection of allergen | 16 | $1,698 | $8 |
| Test to measure expiratory airflow and volume | 28 | $975 | $25 |
| Test to measure the level of nitric oxide gas | 29 | $768 | $19 |
2021: 9 services
| Professional service for preparation and provision of 1 or more antigens | 21 | $9,367 | $16 |
| Short return visit (20+ min) | 42 | $5,151 | $77 |
| New patient visit (45+ min) | 26 | $3,533 | $136 |
| Test for allergy using allergenic extract | 12 | $3,080 | $4 |
| Return visit (30+ min) | 18 | $2,624 | $105 |
| Professional service for multiple injections of allergen | 17 | $2,460 | $11 |
| Professional service for single injection of allergen | 14 | $1,066 | $8 |
| Test to measure expiratory airflow and volume | 23 | $846 | $30 |
| Test to measure the level of nitric oxide gas | 18 | $383 | $21 |
2020: 6 services
| Professional service for preparation and provision of 1 or more antigens | 29 | $8,161 | $14 |
| Short return visit (20+ min) | 40 | $3,534 | $54 |
| New patient visit (45+ min) | 23 | $3,234 | $141 |
| Return visit (30+ min) | 19 | $1,788 | $85 |
| Professional service for multiple injections of allergen | 18 | $1,707 | $10 |
| Professional service for single injection of allergen | 16 | $1,247 | $8 |
2019: 8 services
| Professional service for preparation and provision of 1 or more antigens | 30 | $10,761 | $14 |
| Short return visit (20+ min) | 61 | $7,449 | $63 |
| Test for allergy using allergenic extract | 12 | $3,268 | $4 |
| New patient visit (45+ min) | 23 | $3,162 | $137 |
| Professional service for multiple injections of allergen | 21 | $2,867 | $11 |
| Professional service for single injection of allergen | 21 | $2,488 | $8 |
| Test to measure expiratory airflow and volume | 32 | $1,679 | $34 |
| Test to measure the level of nitric oxide gas | 15 | $379 | $20 |
2018: 9 services
| Professional service for preparation and provision of 1 or more antigens | 28 | $8,405 | $11 |
| Short return visit (20+ min) | 60 | $5,919 | $54 |
| Test for allergy using allergenic extract | 13 | $3,546 | $5 |
| New patient visit (45+ min) | 20 | $2,564 | $128 |
| Professional service for single injection of allergen | 16 | $1,963 | $8 |
| Test to measure expiratory airflow and volume | 36 | $1,743 | $31 |
| Professional service for multiple injections of allergen | 16 | $1,683 | $9 |
| Return visit (30+ min) | 11 | $1,269 | $85 |
| Test to measure the level of nitric oxide gas | 15 | $421 | $17 |
2017: 8 services
| Professional service for preparation and provision of 1 or more antigens | 28 | $7,881 | $12 |
| Short return visit (20+ min) | 62 | $6,760 | $59 |
| New patient visit (45+ min) | 22 | $2,738 | $124 |
| Professional service for multiple injections of allergen | 20 | $2,513 | $10 |
| Return visit (30+ min) | 15 | $2,021 | $75 |
| Test to measure expiratory airflow and volume | 34 | $1,837 | $31 |
| Professional service for single injection of allergen | 16 | $1,719 | $8 |
| Test to measure the level of nitric oxide gas | 16 | $453 | $19 |
2016: 7 services
| Short return visit (20+ min) | 54 | $7,392 | $63 |
| Professional service for preparation and provision of 1 or more antigens | 28 | $7,335 | $12 |
| Return visit (30+ min) | 27 | $4,474 | $88 |
| New patient visit (45+ min) | 19 | $2,404 | $127 |
| Professional service for multiple injections of allergen | 16 | $1,826 | $10 |
| Test to measure expiratory airflow and volume | 33 | $1,740 | $35 |
| Professional service for single injection of allergen | 13 | $1,229 | $8 |
2015: 8 services
| Short return visit (20+ min) | 61 | $6,034 | $61 |
| Test for allergy using allergenic extract | 16 | $5,148 | $6 |
| New patient visit (45+ min) | 36 | $4,840 | $134 |
| Professional service for preparation and provision of 1 or more antigens | 25 | $4,605 | $11 |
| Return visit (30+ min) | 27 | $3,796 | $93 |
| Professional service for multiple injections of allergen | 18 | $2,358 | $9 |
| Professional service for single injection of allergen | 11 | $1,935 | $9 |
| Test to measure expiratory airflow and volume | 24 | $1,105 | $33 |
2014: 7 services
| Return visit (30+ min) | 25 | $6,037 | $93 |
| Short return visit (20+ min) | 40 | $4,217 | $64 |
| Professional service for preparation and provision of 1 or more antigens | 24 | $4,178 | $12 |
| New patient visit (45+ min) | 23 | $3,400 | $148 |
| Professional service for multiple injections of allergen | 21 | $2,611 | $10 |
| Professional service for single injection of allergen | 14 | $1,385 | $8 |
| Test to measure expiratory airflow and volume | 13 | $589 | $35 |
2013: 8 services
| Test for allergy using allergenic extract | 16 | $7,142 | $7 |
| Professional service for preparation and provision of 1 or more antigens | 25 | $6,489 | $13 |
| Return visit (30+ min) | 25 | $5,040 | $99 |
| Short return visit (20+ min) | 52 | $4,588 | $60 |
| New patient visit (45+ min) | 26 | $3,788 | $146 |
| Professional service for multiple injections of allergen | 23 | $2,979 | $10 |
| Professional service for single injection of allergen | 15 | $1,407 | $9 |
| Test to measure expiratory airflow and volume | 16 | $610 | $36 |
Drugs they prescribed that Part D paid
$357,569
Pharmacies billed $357,569 in 2024.
This is pharmacy cost, not the office bill, and not what patients paid.
Opioids were 0% of their Part D prescriptions (0 of 404) in 2024. At or below the middle of the specialty; the typical allergy/ immunology clinician is at 0%.
179 generic and 225 brand-name prescriptions · $357,569 in drug cost · 29 antibiotic prescriptions to 18 people.
Part D prescriptions only. The opioid rate is opioid prescriptions as a share of all this clinician's Part D prescriptions; surgeons and pain specialists run higher than others, so it is shown against the same specialty.
| Nucala | 17 | $120,983 | $7,117 |
| Dupixent | 11 | $42,053 | $3,823 |
| Trelegy Ellipta | 25 | $21,951 | $878 |
| Breo Ellipta | 20 | $17,502 | $875 |
| Arnuity Ellipta | 16 | $12,813 | $801 |
See all 15 drugs
| Nucala | 17 | $120,983 | $7,117 |
| Dupixent | 11 | $42,053 | $3,823 |
| Trelegy Ellipta | 25 | $21,951 | $878 |
| Breo Ellipta | 20 | $17,502 | $875 |
| Arnuity Ellipta | 16 | $12,813 | $801 |
| Spiriva Respimat | 17 | $12,799 | $753 |
| Epinephrine | 30 | $6,261 | $209 |
| Symbicort | 18 | $5,887 | $327 |
| Advair Hfa | 15 | $5,836 | $389 |
| Breyna | 12 | $1,816 | $151 |
| Ipratropium | 24 | $667 | $28 |
| Albuterol Sulfate Hfa | 21 | $554 | $26 |
| Montelukast | 21 | $174 | $8 |
| Prednisone | 14 | $78 | $6 |
| Azithromycin | 13 | $74 | $6 |
Year by year
| 2024 | 404 | 97 | 0% (0) | 56% | $357,569 |
| 2023 | 463 | 104 | 0% (0) | 57% | $404,219 |
| 2022 | 481 | 98 | 0% (0) | 57% | $366,661 |
| 2021 | 433 | 78 | 0% (0) | 55% | $221,374 |
| 2020 | 514 | 87 | 0% (0) | 54% | $205,867 |
| 2019 | 417 | 81 | 0% (0) | 48% | $134,337 |
| 2018 | 468 | 74 | 0% (0) | 54% | $155,057 |
| 2017 | 486 | 74 | 0% (0) | 53% | $159,747 |
| 2016 | 532 | 68 | 0% (0) | 52% | $132,242 |
| 2015 | 353 | 69 | 0% (0) | 48% | $100,926 |
| 2014 | 303 | 52 | 0% (0) | 49% | $60,711 |
| 2013 | 323 | 54 | 0% (0) | 58% | $52,929 |
Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.
See the drugs prescribed each year
2023: 16 drugs
| Nucala | 42 | $143,546 | $3,418 |
| Dupixent | 28 | $99,772 | $3,563 |
| Trelegy Ellipta | 27 | $25,143 | $931 |
| Breo Ellipta | 27 | $17,396 | $644 |
| Spiriva Respimat | 19 | $14,178 | $746 |
| Symbicort | 25 | $13,800 | $552 |
| Advair Hfa | 16 | $6,883 | $430 |
| Epinephrine | 20 | $5,464 | $273 |
| Wixela Inhub | 12 | $5,040 | $420 |
| Ipratropium | 21 | $1,179 | $56 |
| Montelukast | 33 | $735 | $22 |
| Albuterol Sulfate Hfa | 20 | $671 | $34 |
| Flunisolide | 12 | $602 | $50 |
| Fluticasone Propionate | 11 | $390 | $35 |
| Amoxicillin-Clavulanate Potass | 11 | $209 | $19 |
| Azithromycin | 12 | $71 | $6 |
2022: 14 drugs
| Dupixent | 42 | $141,221 | $3,362 |
| Nucala | 15 | $57,485 | $3,832 |
| Trelegy Ellipta | 33 | $28,075 | $851 |
| Symbicort | 34 | $15,822 | $465 |
| Breo Ellipta | 29 | $12,635 | $436 |
| Spiriva Respimat | 16 | $11,106 | $694 |
| Wixela Inhub | 24 | $8,708 | $363 |
| Advair Hfa | 17 | $6,871 | $404 |
| Epinephrine | 18 | $4,680 | $260 |
| Albuterol Sulfate Hfa | 22 | $1,020 | $46 |
| Ipratropium | 21 | $839 | $40 |
| Flunisolide | 13 | $666 | $51 |
| Montelukast | 33 | $581 | $18 |
| Fluticasone Propionate | 11 | $325 | $30 |
2021: 12 drugs
| Dupixent | 19 | $61,380 | $3,231 |
| Nucala | 14 | $44,431 | $3,174 |
| Symbicort | 26 | $19,022 | $732 |
| Breo Ellipta | 40 | $15,493 | $387 |
| Wixela Inhub | 20 | $6,862 | $343 |
| Advair Hfa | 16 | $5,435 | $340 |
| Epinephrine | 20 | $4,879 | $244 |
| Azelastine | 23 | $1,418 | $62 |
| Ipratropium | 14 | $1,146 | $82 |
| Albuterol Sulfate Hfa | 22 | $1,038 | $47 |
| Montelukast | 44 | $870 | $20 |
| Flunisolide | 12 | $604 | $50 |
2020: 14 drugs
| Xolair | 27 | $54,937 | $2,035 |
| Nucala | 12 | $36,882 | $3,074 |
| Breo Ellipta | 47 | $19,276 | $410 |
| Symbicort | 20 | $14,884 | $744 |
| Wixela Inhub | 25 | $7,028 | $281 |
| Advair Diskus | 15 | $6,932 | $462 |
| Advair Hfa | 12 | $4,588 | $382 |
| Dymista | 19 | $3,749 | $197 |
| Ipratropium | 27 | $1,927 | $71 |
| Azelastine | 24 | $1,511 | $63 |
| Albuterol Sulfate Hfa | 30 | $1,243 | $41 |
| Montelukast | 57 | $1,146 | $20 |
| Flunisolide | 12 | $582 | $48 |
| Triamcinolone Acetonide | 12 | $308 | $26 |
2019: 14 drugs
| Xolair | 14 | $31,727 | $2,266 |
| Spiriva Respimat | 20 | $12,161 | $608 |
| Symbicort | 17 | $11,002 | $647 |
| Breo Ellipta | 21 | $7,411 | $353 |
| Advair Diskus | 17 | $4,577 | $269 |
| Wixela Inhub | 13 | $4,413 | $339 |
| Advair Hfa | 12 | $3,741 | $312 |
| Dymista | 14 | $2,552 | $182 |
| Ipratropium | 33 | $2,019 | $61 |
| Azelastine | 31 | $1,632 | $53 |
| Ventolin Hfa | 13 | $759 | $58 |
| Montelukast | 56 | $719 | $13 |
| Triamcinolone Acetonide | 15 | $302 | $20 |
| Valacyclovir | 14 | $196 | $14 |
2018: 17 drugs
| Xolair | 11 | $24,373 | $2,216 |
| Advair Diskus | 30 | $16,595 | $553 |
| Symbicort | 31 | $11,661 | $376 |
| Spiriva Respimat | 15 | $9,766 | $651 |
| Spiriva | 17 | $6,846 | $403 |
| Breo Ellipta | 19 | $6,391 | $336 |
| Advair Hfa | 15 | $4,957 | $330 |
| Alvesco | 14 | $4,842 | $346 |
| Olopatadine | 11 | $2,923 | $266 |
| Theo-24 | 11 | $2,468 | $224 |
| Arnuity Ellipta | 13 | $2,201 | $169 |
| Azelastine | 20 | $1,620 | $81 |
| Ipratropium | 21 | $1,427 | $68 |
| Ventolin Hfa | 23 | $1,273 | $55 |
| Montelukast | 64 | $858 | $13 |
| Fluticasone Propionate | 16 | $336 | $21 |
| Prednisone | 11 | $43 | $4 |
2017: 15 drugs
| Xolair | 13 | $35,978 | $2,768 |
| Advair Diskus | 31 | $12,618 | $407 |
| Symbicort | 29 | $11,868 | $409 |
| Spiriva Respimat | 14 | $8,031 | $574 |
| Alvesco | 20 | $7,045 | $352 |
| Spiriva | 18 | $6,765 | $376 |
| Advair Hfa | 15 | $6,091 | $406 |
| Olopatadine | 15 | $3,451 | $230 |
| Theo-24 | 12 | $2,341 | $195 |
| Qnasl | 12 | $2,315 | $193 |
| Azelastine | 26 | $1,860 | $72 |
| Arnuity Ellipta | 11 | $1,754 | $159 |
| Ventolin Hfa | 20 | $1,076 | $54 |
| Montelukast | 68 | $845 | $12 |
| Fluticasone Propionate | 28 | $357 | $13 |
2016: 18 drugs
| Xolair | 11 | $42,498 | $3,863 |
| Spiriva | 33 | $13,079 | $396 |
| Advair Diskus | 22 | $9,407 | $428 |
| Symbicort | 25 | $7,588 | $304 |
| Alvesco | 21 | $6,181 | $294 |
| Breo Ellipta | 15 | $5,572 | $371 |
| Spiriva Respimat | 13 | $4,786 | $368 |
| Advair Hfa | 11 | $4,358 | $396 |
| Olopatadine | 12 | $2,681 | $223 |
| Arnuity Ellipta | 15 | $2,278 | $152 |
| Theo-24 | 12 | $2,147 | $179 |
| Azelastine | 27 | $2,049 | $76 |
| Montelukast | 75 | $1,135 | $15 |
| Ventolin Hfa | 19 | $996 | $52 |
| Fluticasone Propionate | 38 | $456 | $12 |
| Ipratropium | 12 | $347 | $29 |
| Levocetirizine Dihydrochloride | 12 | $49 | $4 |
| Prednisone | 11 | $41 | $4 |
2015: 14 drugs
| Xolair | 17 | $51,909 | $3,053 |
| Spiriva | 14 | $6,165 | $440 |
| Advair Diskus | 13 | $5,156 | $397 |
| Breo Ellipta | 13 | $3,672 | $282 |
| Symbicort | 12 | $2,902 | $242 |
| Olopatadine | 13 | $2,678 | $206 |
| Pataday | 14 | $2,130 | $152 |
| Azelastine | 23 | $1,916 | $83 |
| Proair Hfa | 16 | $819 | $51 |
| Triamcinolone Acetonide | 15 | $753 | $50 |
| Montelukast | 61 | $688 | $11 |
| Flunisolide | 13 | $337 | $26 |
| Fluticasone Propionate | 24 | $314 | $13 |
| Ipratropium | 11 | $254 | $23 |
2014: 9 drugs
| Xolair | 12 | $19,823 | $1,652 |
| Spiriva | 18 | $8,569 | $476 |
| Advair Diskus | 12 | $4,607 | $384 |
| Nasonex | 16 | $2,680 | $168 |
| Azelastine | 16 | $868 | $54 |
| Montelukast | 55 | $662 | $12 |
| Flunisolide | 14 | $538 | $38 |
| Fluticasone Propionate | 32 | $513 | $16 |
| Ipratropium | 11 | $231 | $21 |
2013: 9 drugs
| Spiriva | 24 | $8,604 | $358 |
| Advair Diskus | 13 | $4,487 | $345 |
| Symbicort | 19 | $4,356 | $229 |
| Combivent Respimat | 11 | $3,179 | $289 |
| Alvesco | 18 | $3,160 | $176 |
| Nasonex | 12 | $1,687 | $141 |
| Fluticasone Propionate | 33 | $1,234 | $37 |
| Montelukast | 48 | $1,011 | $21 |
| Pantoprazole | 12 | $146 | $12 |
Money from drug and device companies
$535 in 2025
| 2025 | 9 | 19 | None | $535 |
| 2024 | 7 | 8 | $175 | $529 |
| 2023 | 6 | 8 | None | $470 |
| 2022 | 6 | 7 | None | $320 |
| 2021 | 7 | 9 | None | $448 |
| 2020 | 4 | 11 | $4,630 | $5,012 |
| 2019 | 6 | 9 | $3,795 | $4,725 |
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.
A payment is not proof that care is biased.
| GlaxoSmithKline | Nucala | $189 | 8 payments
|
| Genzyme | Ayvakit | $63 | 2 payments
|
| ARS Pharmaceuticals Operations | Neffy | $55 | 2 payments
|
| Sanofi-Aventis U.S. | Dupixent | $55 | 1 payment
|
| Novartis Pharmaceuticals | Rhapsido | $51 | 2 payments
|
| Optinose US | Xhance | $35 | 1 payment
|
See all 19 published payments
| LEO Pharma | Meals · 2025-12-17 | Anzupgo | $27 |
| Insmed | Meals · 2025-11-12 | Brinsupri | $30 |
| ARS Pharmaceuticals Operations | Meals · 2025-10-29 | Neffy | $28 |
| Novartis Pharmaceuticals | Meals · 2025-10-14 | Rhapsido | $24 |
| Genzyme | Meals · 2025-09-17 | Ayvakit | $41 |
| GlaxoSmithKline | Meals · 2025-08-12 | Nucala | $7 |
| Novartis Pharmaceuticals | Meals · 2025-07-10 | None | $27 |
| GlaxoSmithKline | Meals · 2025-05-27 | Nucala | $7 |
| Sanofi-Aventis U.S. | Education · 2025-05-08 | Dupixent | $55 |
| ARS Pharmaceuticals Operations | Meals · 2025-04-18 | Neffy | $28 |
| GlaxoSmithKline | Meals · 2025-04-16 | Nucala | $100 |
| Lilly USA | Meals · 2025-04-02 | Ebglyss | $31 |
| GlaxoSmithKline | Meals · 2025-03-26 | Nucala | $13 |
| Genzyme | Meals · 2025-03-26 | Dupixent | $22 |
| GlaxoSmithKline | Meals · 2025-03-13 | Nucala | $9 |
| GlaxoSmithKline | Meals · 2025-03-04 | Nucala | $10 |
| Optinose US | Meals · 2025-02-27 | Xhance | $35 |
| GlaxoSmithKline | Meals · 2025-02-18 | Nucala | $13 |
| GlaxoSmithKline | Meals · 2025-01-28 | Nucala | $30 |
See earlier years (2024, 2023, 2022, 2021, 2020, 2019)
2024: $529
| Aimmune Therapeutics | Palforzia | $175 | 1 payment
|
| Regeneron Healthcare Solutions | None | $122 | 1 payment
|
| Genzyme | Dupixent | $117 | 1 payment
|
| AstraZeneca Pharmaceuticals LP | Fasenra | $50 | 2 payments
|
| Dermavant Sciences | Vtama | $26 | 1 payment
|
| Greer Laboratories | Palforzia | $22 | 1 payment
|
| BioCryst US Sales Co. | Orladeyo | $18 | 1 payment
|
2023: $470
| Genzyme | Dupixent | $224 | 2 payments
|
| BioCryst US Sales Co. | Orladeyo | $137 | 1 payment
|
| Pfizer | Cibinqo | $36 | 2 payments
|
| LEO Pharma | Adbry | $30 | 1 payment
|
| Dermavant Sciences | Vtama | $22 | 1 payment
|
| AstraZeneca Pharmaceuticals LP | Tezspire | $21 | 1 payment
|
2022: $320
| BioCryst US Sales Co. | Orladeyo | $140 | 1 payment
|
| Pfizer | Cibinqo | $59 | 2 payments
|
| Regeneron Healthcare Solutions | Dupixent | $40 | 1 payment
|
| kaleo | Auvi-Q | $35 | 1 payment
|
| Aimmune Therapeutics | Palforzia | $30 | 1 payment
|
| Genentech USA | Xolair | $16 | 1 payment
|
2021: $448
| BioCryst US Sales Co. | Orladeyo | $165 | 2 payments
|
| Genentech USA | Xolair | $150 | 1 payment
|
| kaleo | Auvi-Q | $46 | 2 payments
|
| GlaxoSmithKline | Trelegy Ellipta | $26 | 1 payment
|
| Optinose US | Xhance | $25 | 1 payment
|
| Boehringer Ingelheim Pharmaceuticals | Spiriva Respimat | $24 | 1 payment
|
| Horizon Therapeutics plc | Actimmune | $13 | 1 payment
|
2020: $5,012
| Boehringer Ingelheim Pharmaceuticals | None | $2,880 | 4 payments
|
| OptiNose US | Xhance | $2,057 | 4 payments
|
| Horizon Therapeutics plc | Actimmune | $48 | 2 payments
|
| kaleo | Auvi-Q | $27 | 1 payment
|
2019: $4,725
| Genentech USA | Xolair | $4,012 | 3 payments
|
| ALK-Abello | Odactra | $276 | 2 payments
|
| OptiNose US | Xhance | $120 | 1 payment
|
| Regeneron Healthcare Solutions | Dupixent | $114 | 1 payment
|
| Teva Pharmaceuticals USA | Cinqair | $106 | 1 payment
|
| Circassia Pharmaceuticals | Niox Vero | $97 | 1 payment
|
Professional record
- NPI
- 1093719437
- Licence
- CA G42041California G42041: Current · expires 2028-03-31
- Trained
- University of Pittsburgh School of Medicine, 1977
- Group
- Regents of the University of California - UCSF · Steven Machtinger MD and Associates Inc
- Gender
- Male
More record details
- Sole proprietor
- Yes
- Taxonomy
- Federal specialty code 2080P0201X (2080P0201X); Federal specialty code 207K00000X (207K00000X); Pediatrics (208000000X)
- Mailing address
- 725 Welch Rd, Palo Alto, CA, 94304
- NPI first listed
- 2005-06-13
- NPI last updated
- 2025-12-12
- NPI record certified
- 2025-12-12
This is when the NPI record was last certified, not a medical board exam.
Extra NPI addresses: 725 Welch Rd, Palo Alto, CA, 94304 · 100 South Ellsworth Avenue Suite 707, San Mateo, CA, 94401