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Cynthia Weller, MD

Anesthesiology · Los Altos

NPI 1750483830

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
1
1 carrier
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

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. Weller’s office to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.

Plans whose provider directory lists this clinician
DualConnect (HMO D-SNP)Santa Clara Family Health PlanListedSep 1, 2026

California Medical Board record

Licence A84285 · Current

Licensed to practise in California · since 2003 · expires 2027-07-31 · Dartmouth 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 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

$51,484

Medicare paid this office $51,484 for 328 people.

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

Largest Original Medicare bills
Anesthesia for lens surgery178$20,436$111
Anesthesia for procedure for total knee joint replacement17$5,792$341
Anesthesia for other procedure on eye19$2,910$153
Anesthesia for other procedure on large bowel using an endoscope18$2,194$122
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope12$1,469$122
See all 6 services
Every Original Medicare service billed
Anesthesia for lens surgery178$20,436$111
Anesthesia for procedure for total knee joint replacement17$5,792$341
Anesthesia for other procedure on eye19$2,910$153
Anesthesia for other procedure on large bowel using an endoscope18$2,194$122
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope12$1,469$122
Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)16$853$53

Who their Medicare patients are

328 Original Medicare patients in 2024. Average age 76 · Women 57% · Also on Medicaid 6% · Health risk score 0.98. At or below the middle of the specialty; the typical anesthesiology clinician is at 1.54.

Conditions among them: High blood pressure 65% · Coronary heart disease 25% · Diabetes 24% · Cancer 15% · Atrial fibrillation 15% · Depression 13% · Chronic kidney disease 10% · COPD 9% · Heart failure 7%.

The office billed $425,571, Medicare allowed $64,381 and paid $51,484; for 365 services of 39 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
2024328365760.98$425,571$51,484
2023388417760.86$473,043$58,379
2022356405750.85$457,261$57,067
2021291327750.85$384,542$48,690
2020276304750.99$351,226$44,785
2019365402760.96$439,954$57,506
2018284322750.92$384,430$48,137
2017455493760.90$528,025$67,169
2016361386751.08$406,507$52,327
2015122127741.20$195,237$27,671
2014130135740.92$215,433$29,529
2013226235750.99$204,002$33,088

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

Original Medicare services billed in 2023
Anesthesia for lens surgery268$31,001$113
Anesthesia for other procedure on eye21$3,188$145
Anesthesia for other procedure or exam of knee joint using an endoscope11$1,570$143

2022: 3 services

Original Medicare services billed in 2022
Anesthesia for lens surgery224$27,640$116
Anesthesia for other procedure on eye24$4,001$167
Ultrasonic guidance for needle placement15$415$28

2021: 4 services

Original Medicare services billed in 2021
Anesthesia for lens surgery144$17,411$116
Anesthesia for procedure on eyelid15$3,359$224
Anesthesia for other procedure on eye17$2,580$152
Ultrasonic guidance for needle placement14$391$28

2020: 5 services

Original Medicare services billed in 2020
Anesthesia for lens surgery145$17,281$118
Anesthesia for other procedure on eye15$2,607$174
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope16$1,713$107
Anesthesia for other procedure on large bowel using an endoscope11$1,611$146
Ultrasonic guidance for needle placement13$380$29

2019: 6 services

Original Medicare services billed in 2019
Anesthesia for lens surgery223$25,840$115
Anesthesia for other procedure on eye31$5,453$160
Anesthesia for procedure for total knee joint replacement12$4,052$338
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope11$1,673$152
Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)12$707$59
Ultrasonic guidance for needle placement14$408$29

2018: 4 services

Original Medicare services billed in 2018
Anesthesia for lens surgery156$17,817$110
Anesthesia for total hip replacement14$5,063$362
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope20$3,077$147
Ultrasonic guidance for needle placement12$347$29

2017: 2 services

Original Medicare services billed in 2017
Anesthesia for lens surgery335$37,857$108
Anesthesia for other procedure on eye27$4,124$153

2016: 2 services

Original Medicare services billed in 2016
Anesthesia for lens surgery249$28,762$111
Anesthesia for other procedure on eye14$2,434$162

2015: 2 services

Original Medicare services billed in 2015
Anesthesia for procedure on gastrointestinal tract using an endoscope15$2,762$184
Anesthesia for other procedure on eye14$2,216$158

2014: 1 service

Original Medicare services billed in 2014
Anesthesia for other procedure on eye12$1,929$161

2013: 1 service

Original Medicare services billed in 2013
Anesthesia for lens surgery136$14,725$107

Money from drug and device companies

$24 in 2022

A payment is not proof that care is biased.

Payments by company
Merck Sharp & DohmeBridion$24
1 payment
  • Meals for Bridion · 2022-04-12 · $24
See the published payment
Every published payment
Merck Sharp & DohmeMeals · 2022-04-12Bridion$24

Professional record

NPI
1750483830
Licence
CA A84285California A84285: Current · expires 2027-07-31
Gender
Female
More record details
Sole proprietor
No
Taxonomy
Federal specialty code 207L00000X (207L00000X)
Mailing address
2350 W. El Camino Real, 2nd Floor, Mountain View, CA, 94040
NPI first listed
2006-09-01
NPI last updated
2013-11-14

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