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Carla Marie Carvalho, MD

General Surgery · San Jose

NPI 1831331578

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
19
4 carriers
Office
1

Offices

1 location · 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.

Plans that list them

19 plans · 4 carriers

A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Carvalho’s office to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.

19 of 19 plans

Plans whose provider directory lists this clinician
Alignment Health BreathEasy (HMO C-SNP)Alignment Health PlanListedOct 3, 2026
Alignment Health Clarity (HMO C-SNP)Alignment Health PlanListedOct 3, 2026
Alignment Health Harmony (HMO)Alignment Health PlanListedOct 3, 2026
Alignment Health Heart & Diabetes (HMO C-SNP)Alignment Health PlanListedOct 3, 2026
Alignment Health Heart & Diabetes CalPlus (HMO C-SNP)Alignment Health PlanListedOct 3, 2026
Alignment Health Heart & Diabetes Care (HMO C-SNP)Alignment Health PlanListedSep 28, 2026
Alignment Health Heart & Diabetes Choice (HMO C-SNP)Alignment Health PlanListedSep 28, 2026
Alignment Health Honor+ Plan (HMO)Alignment Health PlanListedOct 3, 2026
Alignment Health My Choice CalCare (HMO)Alignment Health PlanListedOct 3, 2026
Alignment Health Silicon (HMO C-SNP)Alignment Health PlanListedOct 3, 2026
Alignment Health smartHMO (HMO)Alignment Health PlanListedOct 3, 2026
Alignment Health the ONE (HMO)Alignment Health PlanListedOct 3, 2026
Anthem Full Dual Advantage Aligned (HMO D-SNP)Anthem Blue CrossListedOct 3, 2026
Anthem Medicare Advantage (HMO-POS)Anthem Blue CrossListedOct 3, 2026
SCAN Balance (HMO C-SNP)SCAN Health PlanListedOct 3, 2026
SCAN Classic (HMO)SCAN Health PlanListedOct 3, 2026
SCAN MyChoice (HMO)SCAN Health PlanListedOct 3, 2026
SCAN Strive (HMO C-SNP)SCAN Health PlanListedOct 3, 2026
DualConnect (HMO D-SNP)Santa Clara Family Health PlanListedSep 1, 2026

California Medical Board record

Licence A116687 · Current

Licensed to practise in California · since 2011 · expires 2028-08-31 · Rush Medical College of Rush University.

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

$15,657

Medicare paid this office $15,657 for 120 people.

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

Largest Original Medicare bills
Subsequent hospital care with moderate levelof medical decision making at least 35 minutes40$4,889$70
Initial hospital care with straightforward or low-level medical decision making at least 55 minutes33$3,360$102
Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes29$1,546$44
Hospital discharge day management, 30 minutes or less15$1,120$75
Initial hospital care with straightforward or low level of medical decision making, per day at least 40 minutes12$884$74

Procedures Medicare counted

Procedure volume Medicare published
Removal of tissue1-10None
Upper gastrointestinal (GI) endoscopy for acid reflux1-10None

Who their Medicare patients are

120 Original Medicare patients in 2024. Average age 77 · Under 65 13% · 85 and older 26% · Women 55% · Also on Medicaid 51% · Health risk score 1.74. Above the middle of the specialty; the typical general surgery clinician is at 1.69.

Conditions among them: High blood pressure 75% · Depression 42% · Diabetes 41% · Dementia 40% · Stroke 34% · Coronary heart disease 31% · Atrial fibrillation 28% · Chronic kidney disease 25% · Heart failure 23% · Cancer 23% · COPD 18%.

The office billed $169,181, Medicare allowed $20,350 and paid $15,657; for 190 services of 19 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
2024120190771.74$169,181$15,657
2023104190752.03$205,990$22,869
2022107235751.40$189,956$20,994
202159100762.19$118,537$12,983
202095173732.40$119,872$14,061
2019135264742.03$189,770$24,705
2018138253741.86$196,767$27,982
2017114217702.44$161,115$23,137
2016110242681.83$181,125$25,168
201590158692.07$124,492$17,959
2014101216681.73$166,617$26,079

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: 5 services

Original Medicare services billed in 2023
Subsequent hospital care with moderate levelof medical decision making at least 35 minutes29$4,724$74
Initial hospital care with straightforward or low-level medical decision making at least 55 minutes26$3,199$123
Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes26$1,852$45
Initial hospital care with straightforward or low level of medical decision making, per day at least 40 minutes21$1,739$79
Hospital discharge day management, 30 minutes or less14$1,120$80

2022: 5 services

Original Medicare services billed in 2022
Subsequent hospital care with moderate levelof medical decision making at least 35 minutes31$5,011$80
Initial hospital care with straightforward or low-level medical decision making at least 55 minutes24$3,741$150
Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes43$3,636$41
Initial hospital care with straightforward or low level of medical decision making, per day at least 40 minutes15$1,637$102
Hospital discharge day management, 30 minutes or less18$1,343$75

2021: 2 services

Original Medicare services billed in 2021
Initial hospital care with straightforward or low-level medical decision making at least 55 minutes19$2,724$143
Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes12$1,008$44

2020: 4 services

Original Medicare services billed in 2020
Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes39$3,340$40
Initial hospital care with straightforward or low-level medical decision making at least 55 minutes20$3,013$151
Hospital discharge day management, 30 minutes or less20$1,564$78
Initial hospital care with straightforward or low level of medical decision making, per day at least 40 minutes12$1,245$104

2019: 5 services

Original Medicare services billed in 2019
Initial hospital care with straightforward or low-level medical decision making at least 55 minutes32$3,976$124
Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes48$3,887$36
Hospital discharge day management, 30 minutes or less20$1,356$68
Initial hospital care with straightforward or low level of medical decision making, per day at least 40 minutes14$1,277$91
Short return visit16$418$23

2018: 6 services

Original Medicare services billed in 2018
Initial hospital care with straightforward or low-level medical decision making at least 55 minutes32$3,911$122
Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes45$2,798$35
Initial hospital care with straightforward or low level of medical decision making, per day at least 40 minutes21$1,886$90
Hospital discharge day management, 30 minutes or less22$1,471$67
Subsequent hospital care with moderate levelof medical decision making at least 35 minutes11$915$65
Short return visit11$341$23

2017: 6 services

Original Medicare services billed in 2017
Subsequent hospital care with moderate levelof medical decision making at least 35 minutes22$2,953$63
Initial hospital care with moderate level of medical decision making at least 75 minutes11$1,934$176
Initial hospital care with straightforward or low level of medical decision making, per day at least 40 minutes21$1,914$87
Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes25$1,601$33
Hospital discharge day management, 30 minutes or less12$771$64
Short return visit (20+ min)15$508$32

2016: 5 services

Original Medicare services billed in 2016
Subsequent hospital care with moderate levelof medical decision making at least 35 minutes30$4,537$63
Initial hospital care with moderate level of medical decision making at least 75 minutes15$2,826$177
Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes29$2,290$34
Initial hospital care with straightforward or low level of medical decision making, per day at least 40 minutes11$1,049$87
Short return visit (20+ min)17$641$38

2015: 6 services

Original Medicare services billed in 2015
Subsequent hospital care with moderate levelof medical decision making at least 35 minutes22$2,209$63
Initial hospital care with moderate level of medical decision making at least 75 minutes12$2,118$176
Initial hospital care with straightforward or low level of medical decision making, per day at least 40 minutes15$1,368$85
Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes13$815$33
Short return visit (20+ min)18$527$29
Short return visit11$325$22

2014: 5 services

Original Medicare services billed in 2014
Subsequent hospital care with moderate levelof medical decision making at least 35 minutes23$3,010$64
Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes21$2,082$35
Initial hospital care with moderate level of medical decision making at least 75 minutes11$1,973$179
Initial hospital care with straightforward or low level of medical decision making, per day at least 40 minutes16$1,428$89
Short return visit (20+ min)18$797$44

Medicaid work

$2,274 in 2024

Medicaid paid $2,274 for 98 billed services this clinician did in 2024, 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 2024
SBSQ HOSPITAL IP/OBS CARE MOD MDM 35 MINUTES73$1,429
1ST HOSPITAL IP/OBS CARE MODERATE MDM 55 MINUTES25$844
Medicaid work by year
202498218$2,274
2023145217$2,487
2022131318$2,381
202114114$887
202034214$936
2019203219$4,916
2018124219$2,474
See the largest Medicaid services in earlier years

2023

Largest Medicaid services in 2023
SBSQ HOSPITAL IP/OBS CARE MOD MDM 35 MINUTES128$2,245
SBSQ HOSPITAL IP/OBS CARE SF/LOW MDM 25 MINUTES17$242

2022

Largest Medicaid services in 2022
SBSQ HOSPITAL IP/OBS CARE MOD MDM 35 MINUTES67$1,312
SBSQ HOSPITAL IP/OBS CARE SF/LOW MDM 25 MINUTES49$779
Hospital inpatient or observation discharge day management; 30 minutes or less on the date of the encounter15$290

2021

Largest Medicaid services in 2021
1ST HOSPITAL IP/OBS CARE MODERATE MDM 55 MINUTES14$887

2020

Largest Medicaid services in 2020
1ST HOSPITAL IP/OBS CARE MODERATE MDM 55 MINUTES12$513
SBSQ HOSPITAL IP/OBS CARE SF/LOW MDM 25 MINUTES22$422

2019

Largest Medicaid services in 2019
SBSQ HOSPITAL IP/OBS CARE SF/LOW MDM 25 MINUTES160$2,989
1ST HOSPITAL IP/OBS CARE MODERATE MDM 55 MINUTES43$1,927

2018

Largest Medicaid services in 2018
SBSQ HOSPITAL IP/OBS CARE SF/LOW MDM 25 MINUTES110$1,584
1ST HOSPITAL IP/OBS CARE MODERATE MDM 55 MINUTES14$890

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
1831331578
Licence
CA A116687California A116687: Current · expires 2028-08-31
Trained
Rush Medical College of Rush University, 2005
Gender
Female
More record details
Sole proprietor
Yes
Taxonomy
Federal specialty code 2086S0102X (2086S0102X)
Mailing address
300 Pasteur Dr, Stanford, CA, 94305
NPI first listed
2009-03-26
NPI last updated
2012-10-30

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