Ethan M Mckenzie, MD
Anesthesiology · Palo Alto
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- 1
- 1 carrier
- Office
- 1
Offices
1 location · 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
1 plan · 1 carrier
A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Mckenzie’s office at (415) 600-1020 to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.
| DualConnect (HMO D-SNP) | Santa Clara Family Health Plan | Listed | Sep 1, 2026 |
California Medical Board record
Licence A105419 · Current
Licensed to practise in California · since 2008 · expires 2028-05-31 · Drexel University College 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.
- 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
$47,213
Medicare paid this office $47,213 for 267 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Anesthesia for lens surgery | 47 | $5,889 | $118 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 38 | $5,151 | $132 |
| Anesthesia for other procedure on large bowel using an endoscope | 28 | $3,455 | $123 |
| Anesthesia for procedure on small and large bowel using an endoscope | 17 | $2,377 | $140 |
| Anesthesia for exam of colon using an endoscope | 18 | $2,182 | $121 |
Who their Medicare patients are
267 Original Medicare patients in 2024. Average age 75 · Women 54% · Also on Medicaid 8% · Health risk score 0.95. At or below the middle of the specialty; the typical anesthesiology clinician is at 1.54.
Conditions among them: High blood pressure 69% · Coronary heart disease 22% · Diabetes 21% · Cancer 21% · Atrial fibrillation 18% · Chronic kidney disease 16% · Depression 14% · Heart failure 7% · COPD 6% · Stroke 5%.
The office billed $376,461, Medicare allowed $58,949 and paid $47,213; for 285 services of 45 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 | 267 | 285 | 75 | 0.95 | $376,461 | $47,213 |
| 2023 | 270 | 298 | 76 | 0.89 | $416,155 | $53,684 |
| 2022 | 184 | 231 | 76 | 0.86 | $300,133 | $37,730 |
| 2021 | 142 | 182 | 74 | 0.94 | $227,686 | $28,734 |
| 2020 | 159 | 178 | 76 | 0.91 | $239,268 | $31,535 |
| 2019 | 104 | 135 | 76 | 0.98 | $187,798 | $24,764 |
| 2018 | 49 | 56 | 74 | 1.23 | $84,857 | $11,179 |
| 2017 | 150 | 216 | 74 | 1.67 | $251,405 | $33,830 |
| 2016 | 137 | 189 | 75 | 1.60 | $207,575 | $28,465 |
| 2015 | 186 | 256 | 74 | 1.73 | $355,446 | $44,104 |
| 2014 | 179 | 210 | 69 | 1.90 | $394,298 | $50,581 |
| 2013 | 74 | 96 | 69 | 1.77 | $169,362 | $22,617 |
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: 6 services
| Anesthesia for lens surgery | 89 | $11,339 | $122 |
| Anesthesia for procedure on eyelid | 30 | $6,495 | $210 |
| Anesthesia for procedure for total knee joint replacement | 13 | $4,628 | $356 |
| Anesthesia for total hip replacement | 11 | $3,736 | $340 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 16 | $2,264 | $142 |
| Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | 14 | $757 | $54 |
2022: 5 services
| Anesthesia for lens surgery | 61 | $8,091 | $121 |
| Anesthesia for procedure for total knee joint replacement | 13 | $4,372 | $336 |
| Anesthesia for other procedure on forearm, wrist, or hand bones | 11 | $2,293 | $208 |
| Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | 15 | $704 | $47 |
| Ultrasonic guidance for needle placement | 20 | $550 | $28 |
2021: 3 services
| Anesthesia for lens surgery | 20 | $2,822 | $128 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 14 | $1,877 | $134 |
| Ultrasonic guidance for needle placement | 18 | $504 | $28 |
2020: 3 services
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 15 | $2,086 | $139 |
| Anesthesia for lens surgery | 17 | $2,003 | $118 |
| Anesthesia for other procedure on large bowel using an endoscope | 14 | $1,970 | $141 |
2019: 4 services
| Anesthesia for procedure for total knee joint replacement | 11 | $3,561 | $324 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 11 | $1,442 | $131 |
| Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | 12 | $694 | $58 |
| Ultrasonic guidance for needle placement | 15 | $429 | $29 |
2017: 3 services
| Anesthesia for lens surgery | 23 | $2,904 | $126 |
| Insertion of artery tube for blood sampling or infusion through skin | 12 | $532 | $44 |
| Ultrasonic guidance for needle placement | 17 | $468 | $28 |
2016: 3 services
| Anesthesia for lens surgery | 32 | $3,912 | $122 |
| Anesthesia for electroshock therapy | 12 | $2,675 | $99 |
| Ultrasonic guidance for needle placement | 11 | $330 | $30 |
2015: 5 services
| Anesthesia for other procedure on neck area (1 year or older) | 22 | $5,156 | $224 |
| Anesthesia for lens surgery | 21 | $2,514 | $120 |
| Anesthesia for electroshock therapy | 14 | $1,822 | $101 |
| Insertion of artery tube for blood sampling or infusion through skin | 14 | $624 | $45 |
| Ultrasonic guidance for needle placement | 16 | $505 | $30 |
2014: 7 services
| Anesthesia for other procedure on neck area (1 year or older) | 23 | $7,311 | $318 |
| Anesthesia for other procedure on nose and sinuses | 11 | $3,773 | $343 |
| Anesthesia for procedure on gastrointestinal tract using an endoscope | 19 | $3,518 | $176 |
| Anesthesia for other procedure on upper abdomen | 11 | $3,215 | $292 |
| Anesthesia for other procedure on external middle and inner ear | 11 | $3,137 | $285 |
| Anesthesia for electroshock therapy | 11 | $1,409 | $108 |
| Insertion of artery tube for blood sampling or infusion through skin | 18 | $802 | $45 |
2013: 2 services
| Anesthesia for other procedure on neck area (1 year or older) | 14 | $3,559 | $254 |
| Insertion of artery tube for blood sampling or infusion through skin | 14 | $602 | $43 |
Money from drug and device companies
$1,845 in 2025
| 2025 | 1 | 5 | $1,845 | $1,845 |
| 2024 | 1 | 2 | $1,410 | $1,410 |
| 2022 | 1 | 4 | $4,285 | $4,285 |
| 2021 | 1 | 2 | $13,414 | $13,414 |
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.
A payment is not proof that care is biased.
| Verathon | Bronchoscope & Video Larygoscope | $1,845 | 1 payment
|
See the published payment
| Verathon | Consulting · 2025-04-09 | Bronchoscope & Video Larygoscope | $1,845 |
See earlier years (2024, 2022, 2021)
2024: $1,410
| Verathon | Video Laryngoscope | $1,410 | 1 payment
|
2022: $4,285
| Verathon | B Flex | $4,285 | 1 payment
|
2021: $13,414
| Verathon | Bronchoscope | $13,414 | 1 payment
|
Professional record
- NPI
- 1700073830
- Licence
- CA A105419California A105419: Current · expires 2028-05-31
- 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
- 2007-10-02
- NPI last updated
- 2020-06-03
- NPI record certified
- 2020-06-03
This is when the NPI record was last certified, not a medical board exam.
Extra NPI addresses: 300 Pasteur Dr, Stanford, CA, 94305