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Carla Shnier

Anesthesiology · San Jose

NPI 1205931896

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
Not verified
Not the same as out of network.
Offices
3

Offices

3 locations · County of Santa Clara · 1,000 clinicians in this group

Looking this up.

Hospitals listed: Santa Clara Valley Medical Center. 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 Carla Shnier’s office at (408) 885-5000 to ask if they take your plan before you enroll.

California Medical Board record

Licence G66358 · Current

Licensed to practise in California · since 1989 · expires 2027-04-30 · University of Manitoba Faculty 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.

  • Santa Clara Valley Medical CenterSan Jose, CAAcute Care Hospital · Government - Local · Has an emergency department · Birthing-friendlyPart of Santa Clara Valley Health and Hospital System, which runs 3 hospitalsPatients rate it 3 of 5 · 70% would definitely recommend it
    Overall rating: 2 of 5 starsWorse than the national rate — SSI - Colon Surgery: 2.572, Oct 2024 – Sep 2025Better than the national rate — Central Line Associated Bloodstream Infection (ICU + select Wards): 0.563, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.256, Oct 2024 – Sep 2025Better than the national rate — MRSA Bacteremia: 0.369, Oct 2024 – Sep 2025
See every measure and the patient survey for Santa Clara Valley Medical Center

Behind the star rating — Deaths: 2 better, 6 the same, 0 worse of 8 measures. Safety: 2 better, 5 the same, 1 worse of 8 measures. Readmissions: 0 better, 10 the same, 1 worse of 11 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.

Every scored measure at Santa Clara Valley Medical Center
SSI - Colon SurgeryInfections2.572WorseOct 2024 – Sep 2025
Central Line Associated Bloodstream Infection (ICU + select Wards)Infections0.563BetterOct 2024 – Sep 2025
Clostridium Difficile (C.Diff)Infections0.256BetterOct 2024 – Sep 2025
MRSA BacteremiaInfections0.369BetterOct 2024 – Sep 2025
Abdominopelvic accidental puncture or laceration rateComplications and deaths1.25 (0.3 to 2.2) · 1,535 casesNo differentJul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths1.07 (0.76 to 1.38)No differentJul 2022 – Jun 2024
Death rate among surgical inpatients with serious treatable complicationsComplications and deaths214.59 (167.38 to 261.8) · 108 casesNo differentJul 2022 – Jun 2024
Death rate for CABG surgery patientsComplications and deaths2.8 · 41 casesNoneJul 2022 – Jun 2025
Death rate for COPD patientsComplications and deaths6 · 141 casesNoneJul 2022 – Jun 2025
Death rate for heart attack patientsComplications and deaths10.2 · 124 casesNoneJul 2022 – Jun 2025
Death rate for heart failure patientsComplications and deaths8.3 · 501 casesNoneJul 2022 – Jun 2025
Death rate for pneumonia patientsComplications and deaths14.9 · 653 casesNoneJul 2022 – Jun 2025
Death rate for stroke patientsComplications and deaths10.1 · 348 casesNoneJul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths3 · 4,502 casesNoneJul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths0.24 (0.04 to 0.43) · 9,014 casesNo differentJul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths0.34 (0.15 to 0.52) · 9,216 casesNo differentJul 2022 – Jun 2024
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths4.54 (2.51 to 6.58) · 1,421 casesNo differentJul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths1.54 (0 to 3.2) · 288 casesNo differentJul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths2.11 (0.66 to 3.56) · 1,446 casesNo differentJul 2022 – Jun 2024
Postoperative respiratory failure rateComplications and deaths11.61 (4.09 to 19.14) · 294 casesNo differentJul 2022 – Jun 2024
Postoperative sepsis rateComplications and deaths7.29 (3.39 to 11.2) · 299 casesNo differentJul 2022 – Jun 2024
Postoperative wound dehiscence rateComplications and deaths1.9 (0.45 to 3.36) · 333 casesNo differentJul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths0.23 (0 to 0.78) · 7,538 casesNo differentJul 2022 – Jun 2024
Rate of complications for hip/knee replacement patientsComplications and deaths5.4 · 94 casesNoneApr 2023 – Mar 2025
Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections0.735No differentOct 2024 – Sep 2025
SSI - Abdominal HysterectomyInfections2.573No differentOct 2024 – Sep 2025
Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits14.6 · 185 casesNoneJul 2023 – Jun 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits22.1 · 951 casesNoneJul 2023 – Jun 2025
Hospital return days for heart attack patientsUnplanned return visits56.3 · 128 casesNoneJul 2022 – Jun 2025
Hospital return days for heart failure patientsUnplanned return visits6.4 · 644 casesNoneJul 2022 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits1.3 · 699 casesNoneJul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits16.3 · 921 casesNoneJul 2023 – Jun 2025
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits5.7 (3.9 to 8.1) · 226 casesNo differentJan 2024 – Dec 2024
Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits12.6 (9.4 to 16.5) · 226 casesNo differentJan 2024 – Dec 2024
Rate of readmission after hip/knee replacementUnplanned return visits5.4 · 94 casesNoneJul 2023 – Jun 2025
Rate of readmission for CABGUnplanned return visits11.4 · 54 casesNoneJul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits20.3 · 242 casesNoneJul 2023 – Jun 2025
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits13.2 (9.9 to 17.4) · 702 casesNo differentJan 2022 – Dec 2024
Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits1 (0.7 to 1.4) · 195 casesNo differentJan 2024 – Dec 2024

What patients said (4,032 patients answered, 29% of those asked)

Patient survey stars by topic at Santa Clara Valley Medical Center
Cleanliness3
Nurse communication3
Doctor communication3
Communication about medicines3
Discharge information2
Overall hospital rating3
Quietness2
Recommend hospital4
Share of patients giving the best answer at Santa Clara Valley Medical Center
Room was "always" clean70%
Nurses "always" communicated well73%
Doctors "always" communicated well76%
Staff "always" explained57%
Yes, staff "did" give patients this information82%
Yes, staff "did" give patients information about help after discharge82%
Doctors "always" explained things so they could understand71%
Doctors "always" listened carefully74%
Doctors "always" treated them with courtesy and respect82%
Patients who gave a rating of "9" or "10" (high)67%
Staff "always" explained new medications71%
Nurses "always" explained things so they could understand71%
Nurses "always" listened carefully69%
Nurses "always" treated them with courtesy and respect80%
"Always" quiet at night43%
"YES", patients would definitely recommend the hospital70%
Staff "always" explained possible side effects44%
Yes, staff "did" give patients information about possible symptoms83%

Original Medicare doctor bills

$16,805

Medicare paid this office $16,805 for 79 people.

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

Largest Original Medicare bills
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope13$1,388$107

Who their Medicare patients are

79 Original Medicare patients in 2024. Average age 70 · Women 38% · Also on Medicaid 67% · Health risk score 2.78. Sicker patients than 9 in 10 peers; the typical anesthesiology clinician is at 1.54.

Conditions among them: High blood pressure 75% · Diabetes 57% · Coronary heart disease 43% · Chronic kidney disease 38% · Heart failure 35% · Depression 30% · Atrial fibrillation 28% · COPD 25% · Cancer 24% · Stroke 18% · Dementia 15%.

The office billed $125,007, Medicare allowed $21,689 and paid $16,805; for 91 services of 41 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
20247991702.78$125,007$16,805
20237690722.26$112,326$15,817
20226271712.26$92,706$12,993
202191107682.59$125,561$17,384
20207495712.02$98,269$12,861
201993123692.71$100,598$14,740
201896125672.57$120,336$16,504
201797136692.55$111,650$15,473
2016121207663.20$136,156$17,050
201581141662.58$120,433$13,424
201496141681.97$142,640$19,592
20136777652.15$111,860$17,352

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: 1 service

Original Medicare services billed in 2023
Insertion of artery tube for blood sampling or infusion through skin11$429$39

2021: 2 services

Original Medicare services billed in 2021
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope12$1,261$105
Ultrasonic guidance for needle placement11$314$29

2020: 2 services

Original Medicare services billed in 2020
Anesthesia for lens surgery12$1,459$122
Ultrasonic guidance for needle placement17$505$30

2019: 1 service

Original Medicare services billed in 2019
Ultrasonic guidance for needle placement22$647$29

2018: 2 services

Original Medicare services billed in 2018
Ultrasonic guidance for needle placement30$935$29
Insertion of artery tube for blood sampling or infusion through skin14$542$39

2017: 3 services

Original Medicare services billed in 2017
Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus)12$649$54
Ultrasonic guidance for needle placement21$613$29
Injection of anesthetic agent and/or steroid into other nerve or branch16$524$31

2016: 4 services

Original Medicare services billed in 2016
Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus)32$1,726$54
Ultrasonic guidance for needle placement39$1,117$29
Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes18$786$31
Injection of anesthetic agent and/or steroid into other nerve or branch26$683$22

2015: 4 services

Original Medicare services billed in 2015
Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus)17$992$55
Ultrasonic guidance for needle placement25$752$29
Injection of anesthetic agent and/or steroid into other nerve or branch15$516$26
Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes11$475$34

2014: 3 services

Original Medicare services billed in 2014
Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes14$729$35
Ultrasonic guidance for needle placement22$659$30
Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus)11$627$57

Medicaid work

$1,220 in 2019

Medicaid paid $1,220 for 76 billed services this clinician did in 2019, up to 18 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 2019
Ultrasonic guidance for needle placement (eg, biopsy, aspiration, injection, localization device), imaging supervision and interpretation76$1,220
Medicaid work by year
201976118$1,220
201892120$887
See the largest Medicaid services in earlier years

2018

Largest Medicaid services in 2018
Ultrasonic guidance for needle placement (eg, biopsy, aspiration, injection, localization device), imaging supervision and interpretation92$887

Money from drug and device companies

$81 in 2022

Industry payments by year
202211None$81
202012None$35
201911None$89

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
Heron TherapeuticsZynrelef$81
1 payment
  • Meals for Zynrelef · 2022-04-01 · $81
See the published payment
Every published payment
Heron TherapeuticsMeals · 2022-04-01Zynrelef$81
See earlier years (2020, 2019)

2020: $35

Payments by company in 2020
Avanos MedicalOn-Q* Pump and Accessories$35
2 payments
  • Meals for On-Q* Pump and Accessories · 2020-01-21 · $14
  • Meals for On-Q* Pump and Accessories · 2020-01-18 · $21

2019: $89

Payments by company in 2019
Avanos MedicalOn-Q* Pump and Accessories$89
1 payment
  • Meals for On-Q* Pump and Accessories · 2019-01-22 · $89

Checkups this office reported

Medicare did not publish checkup rates for this clinician.

Medicare’s overall office score
80.6 / 100
Scores the office’s reporting and systems. It is not a grade for how the doctor treats you.

Professional record

NPI
1205931896
Licence
CA G66358California G66358: Current · expires 2027-04-30
Gender
Female
More record details
Sole proprietor
No
Medicaid ID
CA 00G663580
Taxonomy
Federal specialty code 207L00000X (207L00000X)
Mailing address
751 S Bascom Ave, San Jose, CA, 95128
NPI first listed
2006-09-14
NPI last updated
2007-09-12

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