Ian David Montgomery, NP
Nurse Practitioner · Stanford
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- 3
- 1 carrier
- Office
- 1
- Since medical school
- 12 years
- Graduated 2014
Offices
1 location · Stanford Health Care · 3,152 clinicians in this group
Hospitals listed: Stanford Health Care. That is not proof they admit you there this week.
Plans that list them
3 plans · 1 carrier
A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Ian David Montgomery’s office at (650) 723-4000 to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.
| 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 |
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.
- Stanford Health CareStanford, CAAcute Care Hospital · Voluntary non-profit - Private · Has an emergency departmentPart of Stanford Health Care, which runs 3 hospitalsHome of Stanford Cancer Institute, a National Cancer Institute designated comprehensive cancer centrePatients rate it 4 of 5 · 83% would definitely recommend itOverall rating: 5 of 5 starsWorse than the national rate — Perioperative pulmonary embolism or deep vein thrombosis rate: 5.31 (4.24 to 6.37) · 8,661 cases, Jul 2022 – Jun 2024Worse than the national rate — Rate of inpatient admissions for patients receiving outpatient chemotherapy: 14.1 (12.7 to 15.7) · 2,191 cases, Jan 2024 – Dec 2024Better than the national rate — Postoperative respiratory failure rate: 4.08 (1.95 to 6.21) · 5,296 cases, Jul 2022 – Jun 2024Better than the national rate — Catheter Associated Urinary Tract Infections (ICU + select Wards): 0.317, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.446, Oct 2024 – Sep 2025Better than the national rate — SSI - Colon Surgery: 0.241, Oct 2024 – Sep 2025Better than the national rate — Ratio of unplanned hospital visits after hospital outpatient surgery: 0.7 (0.6 to 0.9) · 3,348 cases, Jan 2024 – Dec 2024
See every measure and the patient survey for Stanford Health Care
Behind the star rating — Deaths: 5 better, 3 the same, 0 worse of 8 measures. Safety: 3 better, 5 the same, 0 worse of 8 measures. Readmissions: 2 better, 5 the same, 4 worse of 11 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.
| Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths | 5.31 (4.24 to 6.37) · 8,661 cases | Worse | Jul 2022 – Jun 2024 |
| Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits | 14.1 (12.7 to 15.7) · 2,191 cases | Worse | Jan 2024 – Dec 2024 |
| Postoperative respiratory failure rateComplications and deaths | 4.08 (1.95 to 6.21) · 5,296 cases | Better | Jul 2022 – Jun 2024 |
| Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections | 0.317 | Better | Oct 2024 – Sep 2025 |
| Clostridium Difficile (C.Diff)Infections | 0.446 | Better | Oct 2024 – Sep 2025 |
| SSI - Colon SurgeryInfections | 0.241 | Better | Oct 2024 – Sep 2025 |
| Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits | 0.7 (0.6 to 0.9) · 3,348 cases | Better | Jan 2024 – Dec 2024 |
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 1.06 (0.45 to 1.67) · 5,374 cases | No different | Jul 2022 – Jun 2024 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 0.86 (0.72 to 1) | No different | Jul 2022 – Jun 2024 |
| Death rate among surgical inpatients with serious treatable complicationsComplications and deaths | 166.09 (137.88 to 194.3) · 470 cases | No different | Jul 2022 – Jun 2024 |
| Death rate for CABG surgery patientsComplications and deaths | 1.1 · 192 cases | None | Jul 2022 – Jun 2025 |
| Death rate for COPD patientsComplications and deaths | 6.4 · 146 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart attack patientsComplications and deaths | 9.7 · 253 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart failure patientsComplications and deaths | 6.3 · 880 cases | None | Jul 2022 – Jun 2025 |
| Death rate for pneumonia patientsComplications and deaths | 10.3 · 935 cases | None | Jul 2022 – Jun 2025 |
| Death rate for stroke patientsComplications and deaths | 8.7 · 501 cases | None | Jul 2023 – Jun 2025 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 2.1 · 7,730 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.13 (0 to 0.27) · 20,799 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.28 (0.14 to 0.43) · 23,182 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative acute kidney injury requiring dialysis rateComplications and deaths | 0.94 (0.2 to 1.68) · 5,694 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative hemorrhage or hematoma rateComplications and deaths | 2.36 (1.54 to 3.19) · 7,846 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative sepsis rateComplications and deaths | 5.2 (3.76 to 6.64) · 5,603 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative wound dehiscence rateComplications and deaths | 1.38 (0.23 to 2.53) · 2,211 cases | No different | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 0.52 (0.21 to 0.83) · 19,915 cases | No different | Jul 2022 – Jun 2024 |
| Rate of complications for hip/knee replacement patientsComplications and deaths | 3.6 · 416 cases | None | Apr 2023 – Mar 2025 |
| Central Line Associated Bloodstream Infection (ICU + select Wards)Infections | 0.869 | No different | Oct 2024 – Sep 2025 |
| MRSA BacteremiaInfections | 0.857 | No different | Oct 2024 – Sep 2025 |
| SSI - Abdominal HysterectomyInfections | 0.368 | No different | Oct 2024 – Sep 2025 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits | 16.2 · 247 cases | None | Jul 2023 – Jun 2025 |
| Heart failure (HF) 30-Day Readmission RateUnplanned return visits | 20.5 · 1,021 cases | None | Jul 2023 – Jun 2025 |
| Hospital return days for heart attack patientsUnplanned return visits | 47.8 · 258 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for heart failure patientsUnplanned return visits | -1.6 · 990 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for pneumonia patientsUnplanned return visits | 20.8 · 976 cases | None | Jul 2022 – Jun 2025 |
| Pneumonia (PN) 30-Day Readmission RateUnplanned return visits | 16.5 · 959 cases | None | Jul 2023 – Jun 2025 |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits | 5.2 (4.4 to 6.2) · 2,191 cases | No different | Jan 2024 – Dec 2024 |
| Rate of readmission after hip/knee replacementUnplanned return visits | 5.1 · 425 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for CABGUnplanned return visits | 9.6 · 158 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits | 19.6 · 183 cases | None | Jul 2023 – Jun 2025 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits | 12.7 (10.4 to 15.4) · 4,578 cases | No different | Jan 2022 – Dec 2024 |
What patients said (6,810 patients answered, 25% of those asked)
| Cleanliness | 4 |
| Nurse communication | 4 |
| Doctor communication | 4 |
| Communication about medicines | 3 |
| Discharge information | 4 |
| Overall hospital rating | 4 |
| Quietness | 2 |
| Recommend hospital | 5 |
| Room was "always" clean | 75% |
| Nurses "always" communicated well | 82% |
| Doctors "always" communicated well | 81% |
| Staff "always" explained | 63% |
| Yes, staff "did" give patients this information | 89% |
| Yes, staff "did" give patients information about help after discharge | 89% |
| Doctors "always" explained things so they could understand | 76% |
| Doctors "always" listened carefully | 80% |
| Doctors "always" treated them with courtesy and respect | 87% |
| Patients who gave a rating of "9" or "10" (high) | 79% |
| Staff "always" explained new medications | 76% |
| 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 | 53% |
| "YES", patients would definitely recommend the hospital | 83% |
| Staff "always" explained possible side effects | 50% |
| Yes, staff "did" give patients information about possible symptoms | 90% |
Original Medicare doctor bills
$13,618
Medicare paid this office $13,618 for 116 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Hospital discharge day management, more than 30 minutes | 38 | $3,250 | $86 |
| Subsequent hospital care with moderate levelof medical decision making at least 50 minutes | 16 | $1,621 | $85 |
| Hospital discharge day management, 30 minutes or less | 27 | $1,618 | $60 |
| Fluoroscopic guidance for insertion or removal of central vein access device | 23 | $302 | $13 |
| Ultrasonic guidance for blood vessel access | 19 | $193 | $10 |
See all 6 services
| Hospital discharge day management, more than 30 minutes | 38 | $3,250 | $86 |
| Subsequent hospital care with moderate levelof medical decision making at least 50 minutes | 16 | $1,621 | $85 |
| Hospital discharge day management, 30 minutes or less | 27 | $1,618 | $60 |
| Fluoroscopic guidance for insertion or removal of central vein access device | 23 | $302 | $13 |
| Ultrasonic guidance for blood vessel access | 19 | $193 | $10 |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 13 | $116 | $9 |
Procedures Medicare counted
| Removal of skin lesions | 1-10 | None |
Procedures year by year
| Procedure | 2015 | 2016 | 2017 | 2018 | 2023 | 2024 |
|---|---|---|---|---|---|---|
| Insertion of central venous tube with port (5 years or older) | 44 | 50 | 79 | 28 | – | – |
| Insertion of tunneled central venous tube for infusion (5 years or older) | 26 | 36 | 57 | 12 | – | – |
| Removal of central venous tube with port or pump | 11 | 19 | 24 | – | – | – |
| Drainage of fluid from abdominal cavity using imaging guidance | – | – | 26 | – | – | – |
Times billed to Original Medicare each year. A blank year means fewer than 11 people had it, or none: Medicare does not publish smaller counts. Medicare Advantage patients are not included.
Who their Medicare patients are
116 Original Medicare patients in 2024. Average age 72 · Women 47% · Also on Medicaid 23% · Health risk score 2.25. Above the middle of the specialty; the typical nurse practitioner clinician is at 1.42.
Conditions among them: High blood pressure 75% · Atrial fibrillation 64% · Coronary heart disease 50% · Heart failure 44% · Chronic kidney disease 41% · Diabetes 40% · Cancer 30% · Depression 22% · COPD 12%.
The office billed $163,638, Medicare allowed $17,376 and paid $13,618; for 199 services of 16 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 | 116 | 199 | 72 | 2.25 | $163,638 | $13,618 |
| 2023 | 58 | 71 | 74 | 1.91 | $31,955 | $4,904 |
| 2018 | 78 | 228 | 69 | 3.50 | $312,496 | $14,196 |
| 2017 | 218 | 655 | 68 | 3.07 | $1,020,102 | $46,047 |
| 2016 | 168 | 403 | 67 | 3.23 | $677,667 | $30,820 |
| 2015 | 134 | 298 | 66 | 3.51 | $543,263 | $25,802 |
| 2014 | 25 | 60 | 66 | 2.09 | $102,178 | $5,151 |
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: 3 services
| Hospital discharge day management, 30 minutes or less | 36 | $2,231 | $62 |
| Hospital discharge day management, more than 30 minutes | 14 | $1,225 | $87 |
| Subsequent hospital care with moderate levelof medical decision making at least 35 minutes | 12 | $894 | $60 |
2018: 6 services
| Insertion of central venous tube with port (5 years or older) | 28 | $6,842 | $244 |
| Insertion of tunneled central venous tube for infusion (5 years or older) | 12 | $2,332 | $194 |
| Fluoroscopic guidance for insertion or removal of central vein access device | 46 | $674 | $14 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes | 20 | $565 | $28 |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 49 | $469 | $9 |
| Ultrasonic guidance for blood vessel access | 40 | $436 | $11 |
2017: 9 services
| Insertion of central venous tube with port (5 years or older) | 79 | $20,139 | $255 |
| Insertion of tunneled central venous tube for infusion (5 years or older) | 55 | $11,450 | $201 |
| Removal of central venous tube with port or pump | 24 | $2,567 | $107 |
| Fluoroscopic guidance for insertion or removal of central vein access device | 146 | $2,160 | $14 |
| Drainage of fluid from abdominal cavity using imaging guidance | 20 | $2,083 | $80 |
| Ultrasonic guidance for blood vessel access | 129 | $1,419 | $11 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes | 44 | $1,395 | $30 |
| Subsequent hospital care with moderate levelof medical decision making at least 35 minutes | 20 | $1,156 | $55 |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 90 | $862 | $9 |
2016: 6 services
| Insertion of central venous tube with port (5 years or older) | 50 | $12,906 | $258 |
| Insertion of tunneled central venous tube for infusion (5 years or older) | 36 | $7,544 | $210 |
| Removal of central venous tube with port or pump | 19 | $2,351 | $124 |
| Fluoroscopic guidance for insertion or removal of central vein access device | 106 | $1,574 | $14 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes | 45 | $1,337 | $29 |
| Ultrasonic guidance for blood vessel access | 83 | $905 | $11 |
2015: 7 services
| Insertion of central venous tube with port (5 years or older) | 44 | $11,694 | $266 |
| Insertion of tunneled central venous tube for infusion (5 years or older) | 26 | $5,573 | $214 |
| Removal of central venous tube with port or pump | 11 | $1,570 | $143 |
| Fluoroscopic guidance for insertion or removal of central vein access device | 81 | $1,226 | $14 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes | 32 | $976 | $30 |
| Subsequent hospital care with moderate levelof medical decision making at least 35 minutes | 11 | $606 | $55 |
| Ultrasonic guidance for blood vessel access | 50 | $549 | $11 |
2014: 2 services
| Fluoroscopic guidance for insertion or removal of central vein access device | 19 | $272 | $14 |
| Ultrasonic guidance for blood vessel access | 16 | $181 | $11 |
Medicaid work
$1,943 in 2022
Medicaid paid $1,943 for 211 billed services this clinician did in 2022, up to 28 people in a month for one service.
Medicaid and CHIP claims where this clinician did the service, fee-for-service and managed care together. Any month with fewer than 11 patients is hidden, so small Medicaid practices undercount.
| Short return visit (20+ min) | 146 | $1,085 |
| Service | 53 | $532 |
| New patient visit (30+ min) | 12 | $326 |
| 2022 | 211 | 3 | 28 | $1,943 |
| 2021 | 41 | 1 | 14 | $823 |
| 2018 | 18 | 1 | 12 | $223 |
See the largest Medicaid services in earlier years
2021
| Short return visit (20+ min) | 41 | $823 |
2018
| FLUORO CENTRAL VENOUS ACCESS DEV PLACEMENT | 18 | $223 |
Drugs they prescribed that Part D paid
$17,082
Pharmacies billed $17,082 in 2024.
This is pharmacy cost, not the office bill, and not what patients paid.
177 generic and 20 brand-name prescriptions · $17,082 in drug cost.
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.
| Dofetilide | 28 | $3,337 | $119 |
| Clopidogrel | 28 | $261 | $9 |
| Lansoprazole | 24 | $207 | $9 |
| Pantoprazole | 33 | $88 | $3 |
Year by year
| 2024 | 197 | 67 | None | 10% | $17,082 |
| 2023 | 218 | 95 | None | 22% | $30,305 |
| 2022 | 47 | 33 | 0% (0) | None | $4,052 |
Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.
See the drugs prescribed each year
2023: 7 drugs
| Eliquis | 16 | $9,451 | $591 |
| Repatha Sureclick | 11 | $6,526 | $593 |
| Dofetilide | 20 | $3,127 | $156 |
| Pantoprazole | 49 | $285 | $6 |
| Clopidogrel | 15 | $202 | $13 |
| Furosemide | 20 | $73 | $4 |
| Cephalexin | 12 | $61 | $5 |
Money from drug and device companies
$17 in 2022
A payment is not proof that care is biased.
| Medline Industries Lp | Medline Industries, Inc. | $17 | 1 payment
|
See the published payment
| Medline Industries Lp | Meals · 2022-07-19 | Medline Industries, Inc. | $17 |
Professional record
- NPI
- 1518295633
- Licence
- CA NP95001118, NY 609025
- Group
- Stanford Health Care
- Gender
- Male
More record details
- Sole proprietor
- No
- Taxonomy
- Nurse practitioner (363L00000X); Federal specialty code 163W00000X (163W00000X)
- Mailing address
- 300 Pasteur Dr, Stanford, CA, 94305
- NPI first listed
- 2009-12-01
- NPI last updated
- 2024-10-10
- NPI record certified
- 2024-10-10
This is when the NPI record was last certified, not a medical board exam.