Thomas A Gaffey, MD
Anesthesiology · Los Altos
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- 3
- 3 carriers
- Offices
- 4
Offices
4 locations · Sutter Bay Medical Foundation · 3,783 clinicians in this group
Looking this up.
Hospitals listed: Sequoia Hospital. That is not proof they admit you there this week.
Plans that list them
3 plans · 3 carriers
A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Gaffey’s office to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.
3 of 3 plans
| 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 |
| DualConnect (HMO D-SNP) | Santa Clara Family Health Plan | Listed | Sep 1, 2026 |
California Medical Board record
Licence A85705 · Current
Licensed to practise in California · since 2004 · expires 2027-11-30 · University of Michigan Medical School.
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.
- Sequoia HospitalRedwood City, CAAcute Care Hospital · Voluntary non-profit - Private · Has an emergency department · Birthing-friendlyPart of CommonSpirit Health, which runs 145 hospitals in 19 statesPatients rate it 4 of 5 · 81% would definitely recommend itOverall rating: 5 of 5 starsBetter than the national rate — Death rate among surgical inpatients with serious treatable complications: 104.12 (51.8 to 156.44) · 56 cases, Jul 2022 – Jun 2024Better than the national rate — Clostridium Difficile (C.Diff): 0, Oct 2024 – Sep 2025
See every measure and the patient survey for Sequoia Hospital
Behind the star rating — Deaths: 2 better, 6 the same, 0 worse of 8 measures. Safety: 1 better, 4 the same, 0 worse of 5 measures. Readmissions: 3 better, 6 the same, 0 worse of 9 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.
| Death rate among surgical inpatients with serious treatable complicationsComplications and deaths | 104.12 (51.8 to 156.44) · 56 cases | Better | Jul 2022 – Jun 2024 |
| Clostridium Difficile (C.Diff)Infections | 0 | Better | Oct 2024 – Sep 2025 |
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 0.95 (0 to 1.98) · 472 cases | No different | Jul 2022 – Jun 2024 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 0.91 (0.58 to 1.24) | No different | Jul 2022 – Jun 2024 |
| Death rate for CABG surgery patientsComplications and deaths | 1.8 · 68 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart attack patientsComplications and deaths | 12.5 · 72 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart failure patientsComplications and deaths | 9.1 · 258 cases | None | Jul 2022 – Jun 2025 |
| Death rate for pneumonia patientsComplications and deaths | 15.5 · 171 cases | None | Jul 2022 – Jun 2025 |
| Death rate for stroke patientsComplications and deaths | 9.3 · 81 cases | None | Jul 2023 – Jun 2025 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 3.2 · 1,231 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.23 (0.01 to 0.44) · 3,018 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.23 (0.03 to 0.44) · 3,164 cases | No different | Jul 2022 – Jun 2024 |
| Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths | 2.59 (0.47 to 4.71) · 1,402 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative acute kidney injury requiring dialysis rateComplications and deaths | 1.47 (0.04 to 2.9) · 926 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative hemorrhage or hematoma rateComplications and deaths | 1.68 (0.21 to 3.16) · 1,310 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative respiratory failure rateComplications and deaths | 9.54 (4.42 to 14.67) · 978 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative sepsis rateComplications and deaths | 4.98 (1.61 to 8.36) · 924 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative wound dehiscence rateComplications and deaths | 1.69 (0.19 to 3.19) · 192 cases | No different | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 0.57 (0 to 1.43) · 2,501 cases | No different | Jul 2022 – Jun 2024 |
| Rate of complications for hip/knee replacement patientsComplications and deaths | 3.5 · 332 cases | None | Apr 2023 – Mar 2025 |
| Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections | 0.702 | No different | Oct 2024 – Sep 2025 |
| SSI - Colon SurgeryInfections | 0.853 | No different | Oct 2024 – Sep 2025 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits | 14.2 · 67 cases | None | Jul 2023 – Jun 2025 |
| Heart failure (HF) 30-Day Readmission RateUnplanned return visits | 22.3 · 295 cases | None | Jul 2023 – Jun 2025 |
| Hospital return days for heart attack patientsUnplanned return visits | -27.1 · 76 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for heart failure patientsUnplanned return visits | -22.3 · 304 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for pneumonia patientsUnplanned return visits | -4.6 · 178 cases | None | Jul 2022 – Jun 2025 |
| Pneumonia (PN) 30-Day Readmission RateUnplanned return visits | 17.3 · 180 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission after hip/knee replacementUnplanned return visits | 5.1 · 305 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for CABGUnplanned return visits | 10.9 · 41 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits | 19.7 · 29 cases | None | Jul 2023 – Jun 2025 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits | 13.1 (9.7 to 17.7) · 129 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) · 713 cases | No different | Jan 2024 – Dec 2024 |
What patients said (631 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 | 78% |
| Nurses "always" communicated well | 80% |
| Doctors "always" communicated well | 82% |
| Staff "always" explained | 60% |
| Yes, staff "did" give patients this information | 88% |
| Yes, staff "did" give patients information about help after discharge | 86% |
| Doctors "always" explained things so they could understand | 76% |
| Doctors "always" listened carefully | 81% |
| Doctors "always" treated them with courtesy and respect | 89% |
| Patients who gave a rating of "9" or "10" (high) | 77% |
| Staff "always" explained new medications | 76% |
| Nurses "always" explained things so they could understand | 77% |
| Nurses "always" listened carefully | 77% |
| Nurses "always" treated them with courtesy and respect | 88% |
| "Always" quiet at night | 55% |
| "YES", patients would definitely recommend the hospital | 81% |
| Staff "always" explained possible side effects | 44% |
| Yes, staff "did" give patients information about possible symptoms | 91% |
Original Medicare doctor bills
$84,407
Medicare paid this office $84,407 for 586 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Anesthesia for lens surgery | 381 | $43,703 | $111 |
| Anesthesia for other procedure on eye | 48 | $7,396 | $151 |
| Anesthesia for other procedure on skin, muscles, or nerves of head, neck, and upper back | 15 | $3,031 | $202 |
| Anesthesia for other procedure on large bowel using an endoscope | 19 | $2,235 | $118 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 11 | $1,326 | $121 |
See all 7 services
| Anesthesia for lens surgery | 381 | $43,703 | $111 |
| Anesthesia for other procedure on eye | 48 | $7,396 | $151 |
| Anesthesia for other procedure on skin, muscles, or nerves of head, neck, and upper back | 15 | $3,031 | $202 |
| Anesthesia for other procedure on large bowel using an endoscope | 19 | $2,235 | $118 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 11 | $1,326 | $121 |
| Injection of substance into lower spine canal | 14 | $975 | $70 |
| Injection of anesthetic agent and/or steroid into other nerve or branch | 13 | $376 | $23 |
Who their Medicare patients are
586 Original Medicare patients in 2024. Average age 76 · Under 65 2% · 85 and older 12% · Women 57% · Also on Medicaid 5% · Health risk score 0.81. At or below the middle of the specialty; the typical anesthesiology clinician is at 1.54.
Conditions among them: High blood pressure 63% · Diabetes 20% · Coronary heart disease 19% · Chronic kidney disease 18% · Cancer 16% · Atrial fibrillation 15% · Depression 10% · Heart failure 8% · COPD 6% · Stroke 5% · Dementia 4%.
The office billed $676,107, Medicare allowed $106,692 and paid $84,407; for 655 services of 51 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 | 586 | 655 | 76 | 0.81 | $676,107 | $84,407 |
| 2023 | 518 | 591 | 76 | 0.88 | $609,569 | $78,145 |
| 2022 | 527 | 609 | 76 | 0.87 | $691,389 | $88,942 |
| 2021 | 521 | 586 | 76 | 0.97 | $676,399 | $88,070 |
| 2020 | 332 | 411 | 74 | 0.83 | $466,156 | $60,828 |
| 2019 | 491 | 549 | 75 | 0.92 | $615,015 | $83,360 |
| 2018 | 441 | 483 | 75 | 0.96 | $540,615 | $71,446 |
| 2017 | 172 | 215 | 76 | 1.00 | $277,621 | $36,935 |
| 2016 | 297 | 332 | 75 | 1.05 | $372,364 | $51,099 |
| 2015 | 357 | 408 | 75 | 1.09 | $358,298 | $60,556 |
| 2014 | 401 | 446 | 75 | 1.07 | $371,936 | $62,058 |
| 2013 | 349 | 387 | 75 | 1.01 | $319,222 | $52,024 |
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: 7 services
| Anesthesia for lens surgery | 334 | $40,671 | $116 |
| Anesthesia for other procedure on eye | 37 | $5,382 | $145 |
| Anesthesia for procedure for total knee joint replacement | 15 | $4,969 | $331 |
| Anesthesia for other procedure on top of arm bone and shoulder joint | 14 | $3,095 | $221 |
| Anesthesia for other procedure on skin, muscles, or nerves of head, neck, and upper back | 11 | $2,053 | $187 |
| Injection of substance into lower spine canal | 15 | $1,081 | $72 |
| Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | 15 | $477 | $32 |
2022: 9 services
| Anesthesia for lens surgery | 311 | $37,874 | $117 |
| Anesthesia for other procedure on eye | 36 | $5,650 | $153 |
| Anesthesia for procedure for total knee joint replacement | 14 | $5,023 | $359 |
| Anesthesia for other procedure on skin, muscles, or nerves of head, neck, and upper back | 20 | $4,230 | $211 |
| Anesthesia for total hip replacement | 11 | $3,755 | $341 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 13 | $1,829 | $141 |
| Injection of substance into lower spine canal | 23 | $1,666 | $72 |
| Ultrasonic guidance for needle placement | 20 | $552 | $28 |
| Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | 16 | $423 | $26 |
2021: 9 services
| Anesthesia for lens surgery | 300 | $37,058 | $121 |
| Anesthesia for total hip replacement | 16 | $5,968 | $373 |
| Anesthesia for other procedure on eye | 32 | $4,638 | $145 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 26 | $3,865 | $149 |
| Anesthesia for other procedure on large bowel using an endoscope | 21 | $3,281 | $156 |
| Anesthesia for other procedure on skin, muscles, or nerves of head, neck, and upper back | 11 | $2,414 | $219 |
| Anesthesia for other procedure on lower leg, ankle, and foot bones | 11 | $2,034 | $185 |
| Injection of substance into lower spine canal | 16 | $1,176 | $73 |
| Ultrasonic guidance for needle placement | 15 | $419 | $28 |
2020: 9 services
| Anesthesia for lens surgery | 152 | $17,959 | $117 |
| Anesthesia for procedure for total knee joint replacement | 15 | $6,111 | $407 |
| Anesthesia for other procedure on eye | 30 | $4,720 | $152 |
| Anesthesia for total hip replacement | 11 | $3,628 | $330 |
| Anesthesia for other procedure on forearm, wrist, or hand bones | 13 | $2,615 | $201 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 17 | $2,040 | $120 |
| Injection of substance into lower spine canal | 17 | $1,298 | $76 |
| Ultrasonic guidance for needle placement | 27 | $786 | $29 |
| Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | 18 | $633 | $35 |
2019: 9 services
| Anesthesia for lens surgery | 262 | $30,341 | $114 |
| Anesthesia for other procedure on eye | 39 | $6,472 | $147 |
| Anesthesia for procedure for total knee joint replacement | 14 | $4,902 | $350 |
| Anesthesia for total hip replacement | 13 | $4,597 | $354 |
| Anesthesia for other procedure on large bowel using an endoscope | 15 | $2,332 | $155 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 14 | $2,250 | $161 |
| Anesthesia for other procedure or exam of knee joint using an endoscope | 12 | $1,687 | $141 |
| Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | 13 | $737 | $57 |
| Ultrasonic guidance for needle placement | 19 | $553 | $29 |
2018: 6 services
| Anesthesia for lens surgery | 240 | $26,679 | $110 |
| Anesthesia for other procedure on eye | 34 | $5,081 | $149 |
| Anesthesia for total hip replacement | 13 | $4,499 | $346 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 17 | $2,409 | $142 |
| Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | 11 | $636 | $58 |
| Ultrasonic guidance for needle placement | 15 | $435 | $29 |
2017: 5 services
| Anesthesia for lens surgery | 46 | $5,201 | $111 |
| Anesthesia for removal of prostate including use of an endoscope | 11 | $2,245 | $204 |
| Anesthesia for other procedure on eye | 17 | $1,929 | $113 |
| Anesthesia for procedure on gastrointestinal tract using an endoscope | 11 | $1,637 | $149 |
| Ultrasonic guidance for needle placement | 15 | $435 | $29 |
2016: 3 services
| Anesthesia for lens surgery | 160 | $18,360 | $114 |
| Anesthesia for other procedure on eye | 22 | $3,203 | $146 |
| Ultrasonic guidance for needle placement | 11 | $330 | $30 |
2015: 3 services
| Anesthesia for lens surgery | 223 | $25,183 | $110 |
| Anesthesia for other procedure on upper abdomen | 15 | $5,051 | $337 |
| Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | 12 | $658 | $55 |
2014: 4 services
| Anesthesia for lens surgery | 276 | $31,516 | $113 |
| Anesthesia for procedure for total knee joint replacement | 12 | $3,582 | $299 |
| Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | 11 | $632 | $57 |
| Ultrasonic guidance for needle placement | 16 | $476 | $30 |
2013: 2 services
| Anesthesia for lens surgery | 235 | $27,100 | $110 |
| Anesthesia for other procedure on eye | 12 | $1,944 | $162 |
Money from drug and device companies
$167 in 2022
| 2022 | 1 | 1 | None | $167 |
| 2020 | 1 | 1 | None | $124 |
| 2019 | 3 | 3 | None | $241 |
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.
A payment is not proof that care is biased.
| Masimo | Sedline | $167 | 1 payment
|
See the published payment
| Masimo | Meals · 2022-12-01 | Sedline | $167 |
See earlier years (2020, 2019)
2020: $124
| AcelRx Pharmaceuticals | Dsuvia | $124 | 1 payment
|
2019: $241
| Fisher & Paykel Healthcare | Obstructive Sleep Apnea Device Or Hospital Respiratory Equipment | $134 | 1 payment
|
| Avanos Medical | On-Q* Pump and Accessories | $89 | 1 payment
|
| Boston Scientific | Spyglass | $18 | 1 payment
|
Professional record
- NPI
- 1881612190
- Licence
- CA A85705California A85705: Current · expires 2027-11-30
- Gender
- Male
More record details
- Sole proprietor
- No
- Taxonomy
- Federal specialty code 207L00000X (207L00000X)
- Mailing address
- 325 Distel Cir, Los Altos, CA, 94022
- NPI first listed
- 2006-07-17
- NPI last updated
- 2020-05-29
- NPI record certified
- 2020-05-29
This is when the NPI record was last certified, not a medical board exam.