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Melissa A Baxter, CNA

Certified Registered Nurse Anesthetist (Crna) · San Jose

NPI 1821010091

Medicare standing
1 flag on the record
Listed below.
Plans that list them
Not verified
Not the same as out of network.
Offices
3

On the public record

  • Medicare does not list them as allowed to order and refer

Offices

3 locations · Silicon Valley Anesthesia Associates Inc · Sonora Anesthesia Services A Medical Group Inc · Concierge Anesthesia

Looking this up.

Hospitals listed: Adventist Health Sonora. 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 Melissa A Baxter’s office to ask if they take your plan before you enroll.

California Medical Board record

Licence G1975 · Cancelled

Licence status: Cancelled · since 1952 · Harvard Medical School.

License has been voluntarily canceled, or the license has been expired for at least five years and has not been renewed. No practice is permitted.

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.

  • Adventist Health SonoraSonora, CAAcute Care Hospital · Voluntary non-profit - Church · No emergency department · Birthing-friendlyPart of Adventist Health, which runs 28 hospitals in 3 statesPatients rate it 3 of 5 · 64% would definitely recommend it
    Overall rating: 3 of 5 starsWorse than the national rate — Postoperative wound dehiscence rate: 3.5 (2.04 to 4.96) · 288 cases, Jul 2022 – Jun 2024Worse than the national rate — Ratio of unplanned hospital visits after hospital outpatient surgery: 1.3 (1 to 1.6) · 1,004 cases, Jan 2024 – Dec 2024Better than the national rate — Clostridium Difficile (C.Diff): 0.185, Oct 2024 – Sep 2025
See every measure and the patient survey for Adventist Health Sonora

Behind the star rating — Deaths: 0 better, 7 the same, 0 worse of 7 measures. Safety: 0 better, 4 the same, 0 worse of 4 measures. Readmissions: 1 better, 7 the same, 1 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 Adventist Health Sonora
Postoperative wound dehiscence rateComplications and deaths3.5 (2.04 to 4.96) · 288 casesWorseJul 2022 – Jun 2024
Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits1.3 (1 to 1.6) · 1,004 casesWorseJan 2024 – Dec 2024
Clostridium Difficile (C.Diff)Infections0.185BetterOct 2024 – Sep 2025
Abdominopelvic accidental puncture or laceration rateComplications and deaths1.15 (0.14 to 2.16) · 582 casesNo differentJul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths0.87 (0.5 to 1.24)No differentJul 2022 – Jun 2024
Death rate among surgical inpatients with serious treatable complicationsComplications and deaths182.91 (123.44 to 242.37) · 38 casesNo differentJul 2022 – Jun 2024
Death rate for COPD patientsComplications and deaths7.9 · 118 casesNoneJul 2022 – Jun 2025
Death rate for heart attack patientsComplications and deaths9 · 125 casesNoneJul 2022 – Jun 2025
Death rate for heart failure patientsComplications and deaths11.7 · 236 casesNoneJul 2022 – Jun 2025
Death rate for pneumonia patientsComplications and deaths15 · 433 casesNoneJul 2022 – Jun 2025
Death rate for stroke patientsComplications and deaths12 · 72 casesNoneJul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths3.9 · 1,364 casesNoneJul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths0.18 (0 to 0.39) · 3,671 casesNo differentJul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths0.28 (0.07 to 0.48) · 3,602 casesNo differentJul 2022 – Jun 2024
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths3.41 (1.24 to 5.59) · 803 casesNo differentJul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths1.57 (0 to 3.24) · 310 casesNo differentJul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths2.59 (0.98 to 4.2) · 754 casesNo differentJul 2022 – Jun 2024
Postoperative respiratory failure rateComplications and deaths7.97 (0 to 16.16) · 306 casesNo differentJul 2022 – Jun 2024
Postoperative sepsis rateComplications and deaths5.72 (1.85 to 9.58) · 277 casesNo differentJul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths0.23 (0 to 1.06) · 2,750 casesNo differentJul 2022 – Jun 2024
Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections0.614No differentOct 2024 – Sep 2025
Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits13.6 · 105 casesNoneJul 2023 – Jun 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits19.6 · 209 casesNoneJul 2023 – Jun 2025
Hospital return days for heart attack patientsUnplanned return visits12.6 · 119 casesNoneJul 2022 – Jun 2025
Hospital return days for heart failure patientsUnplanned return visits-23.8 · 255 casesNoneJul 2022 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits-13.4 · 455 casesNoneJul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits16.3 · 381 casesNoneJul 2023 – Jun 2025
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits6 (4.3 to 8.1) · 328 casesNo differentJan 2024 – Dec 2024
Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits11.7 (9.1 to 14.7) · 328 casesNo differentJan 2024 – Dec 2024
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits19.3 · 106 casesNoneJul 2023 – Jun 2025
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits12.8 (10 to 16.3) · 1,835 casesNo differentJan 2022 – Dec 2024

What patients said (326 patients answered, 21% of those asked)

Patient survey stars by topic at Adventist Health Sonora
Cleanliness3
Nurse communication4
Doctor communication3
Communication about medicines3
Discharge information4
Overall hospital rating3
Quietness2
Recommend hospital3
Share of patients giving the best answer at Adventist Health Sonora
Room was "always" clean69%
Nurses "always" communicated well80%
Doctors "always" communicated well77%
Staff "always" explained61%
Yes, staff "did" give patients this information89%
Yes, staff "did" give patients information about help after discharge86%
Doctors "always" explained things so they could understand72%
Doctors "always" listened carefully74%
Doctors "always" treated them with courtesy and respect85%
Patients who gave a rating of "9" or "10" (high)64%
Staff "always" explained new medications73%
Nurses "always" explained things so they could understand75%
Nurses "always" listened carefully76%
Nurses "always" treated them with courtesy and respect89%
"Always" quiet at night44%
"YES", patients would definitely recommend the hospital64%
Staff "always" explained possible side effects50%
Yes, staff "did" give patients information about possible symptoms93%

Original Medicare doctor bills

$36,871

Medicare paid this office $36,871 for 193 people.

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

Largest Original Medicare bills
Anesthesia for lens surgery55$9,281$119
Anesthesia for other procedure on lower leg, ankle, and foot bones13$2,182$168
Anesthesia for other procedure on large bowel using an endoscope12$1,335$111

Who their Medicare patients are

193 Original Medicare patients in 2024. Average age 74 · Women 52% · Also on Medicaid 18% · Health risk score 0.92. At or below the middle of the specialty; the typical certified registered nurse anesthetist (crna) clinician is at 1.45.

Conditions among them: High blood pressure 74% · Diabetes 26% · Cancer 18% · Coronary heart disease 17% · Chronic kidney disease 17% · Depression 17% · COPD 13% · Atrial fibrillation 13% · Heart failure 6%.

The office billed $283,834, Medicare allowed $46,215 and paid $36,871; for 250 services of 46 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
2024193250740.92$283,834$36,871
2023165204740.88$174,444$26,345
2022160252730.70$248,254$35,096
2021112165711.41$165,259$23,502
2020228316681.25$314,724$46,977
2019266274720.99$249,540$34,545
2018349798681.78$744,450$40,061
20174661,347671.85$1,262,645$73,278
201695117710.88$118,666$13,538
2015166171701.15$129,090$22,495
20143841720.80$156,437$9,173
20137789701.01$460,822$14,107

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: 2 services

Original Medicare services billed in 2023
Anesthesia for lens surgery111$17,975$121
Anesthesia for exam of colon using an endoscope16$2,213$138

2022: 6 services

Original Medicare services billed in 2022
Anesthesia for procedure for total knee joint replacement40$12,965$324
Anesthesia for exam of colon using an endoscope24$3,389$141
Anesthesia for other procedure on lower leg, ankle, and foot bones19$3,059$161
Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)43$1,862$43
Anesthesia for other procedure on large bowel using an endoscope13$1,660$128
Ultrasonic guidance for needle placement46$964$21

2021: 5 services

Original Medicare services billed in 2021
Anesthesia for procedure for total knee joint replacement19$5,963$314
Anesthesia for x-ray procedure (accessed through the skin) on spine and spinal cord15$3,147$197
Anesthesia for lens surgery17$1,921$113
Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)20$785$39
Ultrasonic guidance for needle placement21$538$26

2020: 7 services

Original Medicare services billed in 2020
Anesthesia for x-ray procedure (accessed through the skin) on spine and spinal cord76$17,830$180
Anesthesia for nerve block and injection procedure, prone position46$7,751$134
Anesthesia for other procedure on large bowel using an endoscope30$3,580$119
Anesthesia for procedure on small and large bowel using an endoscope26$3,132$120
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope22$2,310$105
Anesthesia for nerve block and injection12$1,362$97
Anesthesia for closed procedure on pubic bone or pelvic joint12$1,315$110

2019: 7 services

Original Medicare services billed in 2019
Anesthesia for other procedure on large bowel using an endoscope51$6,200$122
Anesthesia for exam of colon using an endoscope53$5,543$105
Anesthesia for lens surgery32$4,286$130
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope38$4,236$111
Anesthesia for procedure on small and large bowel using an endoscope29$3,955$136
Anesthesia for nerve block and injection procedure, prone position25$3,569$132
Anesthesia for x-ray procedure (accessed through the skin) on spine and spinal cord15$2,164$144

2018: 1 service

Original Medicare services billed in 2018
Anesthesia for nerve block and injection procedure, prone position349$39,696$50

2017: 1 service

Original Medicare services billed in 2017
Anesthesia for nerve block and injection procedure, prone position451$70,968$54

2016: 3 services

Original Medicare services billed in 2016
Anesthesia for procedure on lower intestine using an endoscope72$8,702$121
Anesthesia for procedure on gastrointestinal tract using an endoscope32$3,125$98
Anesthesia for other closed procedure on chest12$1,565$130

2015: 2 services

Original Medicare services billed in 2015
Anesthesia for procedure on lower intestine using an endoscope82$9,907$121
Anesthesia for procedure on gastrointestinal tract using an endoscope49$5,688$116

2013: 2 services

Original Medicare services billed in 2013
Anesthesia for procedure on lower intestine using an endoscope30$3,311$110
Anesthesia for procedure on gastrointestinal tract using an endoscope18$1,799$100

Medicaid work

$25,206 in 2021

Medicaid paid $25,206 for 272 billed services this clinician did in 2021, up to 90 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.

Largest Medicaid services in 2021
Anesthesia for intraoral procedure272$25,206
Medicaid work by year
2021272190$25,206
202045217$1,391
2018180339$2,636
See the largest Medicaid services in earlier years

2020

Largest Medicaid services in 2020
Anesthesia for intraoral procedure15$1,391
Short return visit (20+ min)30$0

2018

Largest Medicaid services in 2018
Anesthesia for diagnostic or therapeutic nerve blocks and injections (when block or injection is performed by a different physician or other qualified health care professional); prone position154$1,442
Anesthesia for intraoral procedure12$1,194
Anesthesia for patient of extreme age, younger than 1 year and older than 70 (List separately in addition to code for primary anesthesia procedure)14$0

Professional record

NPI
1821010091
Licence
CA 1975California G1975: Cancelled
Group
Silicon Valley Anesthesia Associates Inc · Sonora Anesthesia Services A Medical Group Inc · Concierge Anesthesia
Gender
Female
More record details
Sole proprietor
Yes
Taxonomy
Federal specialty code 367500000X (367500000X)
Mailing address
921 Yorkshire Dr, Los Altos, CA, 94024
NPI first listed
2006-07-24
NPI last updated
2011-02-03

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