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Sermsin S Kunnavatana, MD

Anesthesiology · Mountain View

NPI 1790945616

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
Not verified
Not the same as out of network.
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.

Plan participation

Not verified

We could not verify current plan participation for this doctor. This does not mean they are out of network. Call Dr. Kunnavatana’s office at (650) 691-6174 to ask if they take your plan before you enroll.

California Medical Board record

Licence A105569 · Current

Licensed to practise in California · since 2008 · expires 2028-09-30 · Stanford University School of Medicine.

Matched on the licence number without its letter prefix; check the name before relying on it.

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 it
    Overall 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.

Every scored measure at Sequoia Hospital
Death rate among surgical inpatients with serious treatable complicationsComplications and deaths104.12 (51.8 to 156.44) · 56 casesBetterJul 2022 – Jun 2024
Clostridium Difficile (C.Diff)Infections0BetterOct 2024 – Sep 2025
Abdominopelvic accidental puncture or laceration rateComplications and deaths0.95 (0 to 1.98) · 472 casesNo differentJul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths0.91 (0.58 to 1.24)No differentJul 2022 – Jun 2024
Death rate for CABG surgery patientsComplications and deaths1.8 · 68 casesNoneJul 2022 – Jun 2025
Death rate for heart attack patientsComplications and deaths12.5 · 72 casesNoneJul 2022 – Jun 2025
Death rate for heart failure patientsComplications and deaths9.1 · 258 casesNoneJul 2022 – Jun 2025
Death rate for pneumonia patientsComplications and deaths15.5 · 171 casesNoneJul 2022 – Jun 2025
Death rate for stroke patientsComplications and deaths9.3 · 81 casesNoneJul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths3.2 · 1,231 casesNoneJul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths0.23 (0.01 to 0.44) · 3,018 casesNo differentJul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths0.23 (0.03 to 0.44) · 3,164 casesNo differentJul 2022 – Jun 2024
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths2.59 (0.47 to 4.71) · 1,402 casesNo differentJul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths1.47 (0.04 to 2.9) · 926 casesNo differentJul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths1.68 (0.21 to 3.16) · 1,310 casesNo differentJul 2022 – Jun 2024
Postoperative respiratory failure rateComplications and deaths9.54 (4.42 to 14.67) · 978 casesNo differentJul 2022 – Jun 2024
Postoperative sepsis rateComplications and deaths4.98 (1.61 to 8.36) · 924 casesNo differentJul 2022 – Jun 2024
Postoperative wound dehiscence rateComplications and deaths1.69 (0.19 to 3.19) · 192 casesNo differentJul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths0.57 (0 to 1.43) · 2,501 casesNo differentJul 2022 – Jun 2024
Rate of complications for hip/knee replacement patientsComplications and deaths3.5 · 332 casesNoneApr 2023 – Mar 2025
Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections0.702No differentOct 2024 – Sep 2025
SSI - Colon SurgeryInfections0.853No differentOct 2024 – Sep 2025
Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits14.2 · 67 casesNoneJul 2023 – Jun 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits22.3 · 295 casesNoneJul 2023 – Jun 2025
Hospital return days for heart attack patientsUnplanned return visits-27.1 · 76 casesNoneJul 2022 – Jun 2025
Hospital return days for heart failure patientsUnplanned return visits-22.3 · 304 casesNoneJul 2022 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits-4.6 · 178 casesNoneJul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits17.3 · 180 casesNoneJul 2023 – Jun 2025
Rate of readmission after hip/knee replacementUnplanned return visits5.1 · 305 casesNoneJul 2023 – Jun 2025
Rate of readmission for CABGUnplanned return visits10.9 · 41 casesNoneJul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits19.7 · 29 casesNoneJul 2023 – Jun 2025
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits13.1 (9.7 to 17.7) · 129 casesNo differentJan 2022 – Dec 2024
Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits0.9 (0.7 to 1.2) · 713 casesNo differentJan 2024 – Dec 2024

What patients said (631 patients answered, 27% of those asked)

Patient survey stars by topic at Sequoia Hospital
Cleanliness4
Nurse communication4
Doctor communication4
Communication about medicines3
Discharge information4
Overall hospital rating4
Quietness3
Recommend hospital5
Share of patients giving the best answer at Sequoia Hospital
Room was "always" clean78%
Nurses "always" communicated well80%
Doctors "always" communicated well82%
Staff "always" explained60%
Yes, staff "did" give patients this information88%
Yes, staff "did" give patients information about help after discharge86%
Doctors "always" explained things so they could understand76%
Doctors "always" listened carefully81%
Doctors "always" treated them with courtesy and respect89%
Patients who gave a rating of "9" or "10" (high)77%
Staff "always" explained new medications76%
Nurses "always" explained things so they could understand77%
Nurses "always" listened carefully77%
Nurses "always" treated them with courtesy and respect88%
"Always" quiet at night55%
"YES", patients would definitely recommend the hospital81%
Staff "always" explained possible side effects44%
Yes, staff "did" give patients information about possible symptoms91%

Original Medicare doctor bills

$42,841

Medicare paid this office $42,841 for 129 people.

This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.

Largest Original Medicare bills
Anesthesia for procedure to assess heart electrical activity25$10,163$407
Anesthesia for procedure on heart and large blood vessels12$4,760$397
Insertion of artery tube for blood sampling or infusion through skin39$1,459$37
Insertion of non-tunneled central venous tube for infusion (5 years or older)16$1,144$72
Insertion of probe in esophagus for heart ultrasound37$352$10
See all 6 services
Every Original Medicare service billed
Anesthesia for procedure to assess heart electrical activity25$10,163$407
Anesthesia for procedure on heart and large blood vessels12$4,760$397
Insertion of artery tube for blood sampling or infusion through skin39$1,459$37
Insertion of non-tunneled central venous tube for infusion (5 years or older)16$1,144$72
Insertion of probe in esophagus for heart ultrasound37$352$10
Ultrasonic guidance for blood vessel access27$321$12

Who their Medicare patients are

129 Original Medicare patients in 2024. Average age 76 · Women 46% · Health risk score 1.81. Above the middle of the specialty; the typical anesthesiology clinician is at 1.54.

Conditions among them: High blood pressure 75% · Atrial fibrillation 53% · Coronary heart disease 40% · Heart failure 36% · Diabetes 28% · Chronic kidney disease 28% · COPD 18% · Cancer 13% · Stroke 10% · Depression 9%.

The office billed $353,498, Medicare allowed $53,598 and paid $42,841; for 273 services of 48 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

Original Medicare by year
2024129273761.81$353,498$42,841
2023128205761.88$282,649$33,961
2022146211761.47$278,691$31,204
2021192277771.42$404,550$46,055
2020145216761.62$240,120$34,113
2019176275761.56$358,655$49,656
2018151229751.85$292,595$38,486
2017160263761.87$336,775$45,133
2016158213761.32$223,720$29,658
2015191283751.54$300,830$41,745
2014200271751.64$253,155$40,817
2013219312741.45$296,567$44,863

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: 4 services

Original Medicare services billed in 2023
Anesthesia for procedure to assess heart electrical activity13$5,088$391
Anesthesia for procedure to correct abnormal heart rhythm14$1,281$91
Insertion of artery tube for blood sampling or infusion through skin20$752$38
Insertion of probe in esophagus for heart ultrasound19$181$10

2022: 5 services

Original Medicare services billed in 2022
Anesthesia for lens surgery25$2,910$108
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope11$1,398$127
Insertion of artery tube for blood sampling or infusion through skin12$494$38
Ultrasonic guidance for needle placement11$299$27
Ultrasonic guidance for blood vessel access12$168$12

2021: 5 services

Original Medicare services billed in 2021
Anesthesia for lens surgery50$5,828$112
Insertion of artery tube for blood sampling or infusion through skin16$668$39
Ultrasonic guidance for needle placement12$338$28
Ultrasonic guidance for blood vessel access15$199$12
Insertion of probe in esophagus for heart ultrasound14$142$10

2020: 6 services

Original Medicare services billed in 2020
Anesthesia for other procedure on upper abdomen13$3,883$299
Anesthesia for lens surgery22$2,459$112
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope12$1,627$136
Insertion of artery tube for blood sampling or infusion through skin11$431$39
Ultrasonic guidance for needle placement14$405$29
Ultrasonic guidance for blood vessel access11$194$13

2019: 6 services

Original Medicare services billed in 2019
Anesthesia for procedure on heart and large blood vessels17$7,465$439
Anesthesia for lens surgery22$2,735$124
Insertion of artery tube for blood sampling or infusion through skin20$776$39
Ultrasonic guidance for needle placement18$514$29
Ultrasonic guidance for blood vessel access13$165$13
Insertion of probe in esophagus for heart ultrasound13$130$10

2018: 3 services

Original Medicare services billed in 2018
Anesthesia for procedure on heart and large blood vessels15$6,335$422
Ultrasonic guidance for needle placement23$628$27
Insertion of artery tube for blood sampling or infusion through skin15$564$38

2017: 4 services

Original Medicare services billed in 2017
Anesthesia for procedure on heart and large blood vessels14$5,749$411
Insertion of artery tube for blood sampling or infusion through skin21$913$43
Ultrasonic guidance for needle placement19$540$28
Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes11$375$34

2016: 3 services

Original Medicare services billed in 2016
Anesthesia for lens surgery44$5,700$127
Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes17$663$35
Ultrasonic guidance for needle placement14$480$30

2015: 4 services

Original Medicare services billed in 2015
Anesthesia for lens surgery47$5,586$119
Ultrasonic guidance for needle placement26$770$30
Insertion of artery tube for blood sampling or infusion through skin11$490$45
Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes11$382$35

2014: 4 services

Original Medicare services billed in 2014
Anesthesia for lens surgery40$4,705$118
Anesthesia for procedure on upper 2/3rd of thigh bone11$3,075$280
Ultrasonic guidance for needle placement27$809$30
Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes14$451$32

2013: 5 services

Original Medicare services billed in 2013
Anesthesia for lens surgery50$5,671$111
Anesthesia for other procedure on upper abdomen12$3,039$253
Anesthesia for other procedure on skin of arms, legs, and front body13$1,900$146
Ultrasonic guidance for needle placement36$1,119$27
Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus)14$737$53

Money from drug and device companies

$122 in 2025

Industry payments by year
202511None$122
202211None$24

Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.

A payment is not proof that care is biased.

Payments by company
Vertex PharmaceuticalsJournavx$122
1 payment
  • Meals for Journavx · 2025-07-10 · $122
See the published payment
Every published payment
Vertex PharmaceuticalsMeals · 2025-07-10Journavx$122
See earlier years (2022)

2022: $24

Payments by company in 2022
Merck Sharp & DohmeBridion$24
1 payment
  • Meals for Bridion · 2022-04-12 · $24

Professional record

NPI
1790945616
Licence
CA 105569California A105569: Current · expires 2028-09-30
Trained
Stanford University School of Medicine, 2007
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
2008-06-13
NPI last updated
2022-11-02
NPI record certified
2022-11-02

This is when the NPI record was last certified, not a medical board exam.

Extra NPI addresses: 1501 Trousdale Dr, Burlingame, CA, 94010 · 837 5th St Fl 2, Santa Rosa, CA, 95404