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Peter A D'Souza, MD

Emergency Medicine · Stanford

NPI 1356493159

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

Offices

1 location · Stanford Health Care · 3,152 clinicians in this group

Looking this up.

Hospitals listed: Stanford Health Care. 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. D'Souza’s office at (650) 723-4000 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 A88310 · Current

Licensed to practise in California · since 2004 · expires 2028-05-31 · University of California, Los Angeles School 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.

  • Stanford Health CareStanford, CAAcute Care Hospital · Voluntary non-profit - Private · Has an emergency departmentPart of Stanford Health Care, which runs 3 hospitalsHome of Stanford Cancer Institute, a National Cancer Institute designated comprehensive cancer centrePatients rate it 4 of 5 · 83% would definitely recommend it
    Overall rating: 5 of 5 starsWorse than the national rate — Perioperative pulmonary embolism or deep vein thrombosis rate: 5.31 (4.24 to 6.37) · 8,661 cases, Jul 2022 – Jun 2024Worse than the national rate — Rate of inpatient admissions for patients receiving outpatient chemotherapy: 14.1 (12.7 to 15.7) · 2,191 cases, Jan 2024 – Dec 2024Better than the national rate — Postoperative respiratory failure rate: 4.08 (1.95 to 6.21) · 5,296 cases, Jul 2022 – Jun 2024Better than the national rate — Catheter Associated Urinary Tract Infections (ICU + select Wards): 0.317, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.446, Oct 2024 – Sep 2025Better than the national rate — SSI - Colon Surgery: 0.241, Oct 2024 – Sep 2025Better than the national rate — Ratio of unplanned hospital visits after hospital outpatient surgery: 0.7 (0.6 to 0.9) · 3,348 cases, Jan 2024 – Dec 2024
See every measure and the patient survey for Stanford Health Care

Behind the star rating — Deaths: 5 better, 3 the same, 0 worse of 8 measures. Safety: 3 better, 5 the same, 0 worse of 8 measures. Readmissions: 2 better, 5 the same, 4 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 Stanford Health Care
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths5.31 (4.24 to 6.37) · 8,661 casesWorseJul 2022 – Jun 2024
Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits14.1 (12.7 to 15.7) · 2,191 casesWorseJan 2024 – Dec 2024
Postoperative respiratory failure rateComplications and deaths4.08 (1.95 to 6.21) · 5,296 casesBetterJul 2022 – Jun 2024
Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections0.317BetterOct 2024 – Sep 2025
Clostridium Difficile (C.Diff)Infections0.446BetterOct 2024 – Sep 2025
SSI - Colon SurgeryInfections0.241BetterOct 2024 – Sep 2025
Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits0.7 (0.6 to 0.9) · 3,348 casesBetterJan 2024 – Dec 2024
Abdominopelvic accidental puncture or laceration rateComplications and deaths1.06 (0.45 to 1.67) · 5,374 casesNo differentJul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths0.86 (0.72 to 1)No differentJul 2022 – Jun 2024
Death rate among surgical inpatients with serious treatable complicationsComplications and deaths166.09 (137.88 to 194.3) · 470 casesNo differentJul 2022 – Jun 2024
Death rate for CABG surgery patientsComplications and deaths1.1 · 192 casesNoneJul 2022 – Jun 2025
Death rate for COPD patientsComplications and deaths6.4 · 146 casesNoneJul 2022 – Jun 2025
Death rate for heart attack patientsComplications and deaths9.7 · 253 casesNoneJul 2022 – Jun 2025
Death rate for heart failure patientsComplications and deaths6.3 · 880 casesNoneJul 2022 – Jun 2025
Death rate for pneumonia patientsComplications and deaths10.3 · 935 casesNoneJul 2022 – Jun 2025
Death rate for stroke patientsComplications and deaths8.7 · 501 casesNoneJul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths2.1 · 7,730 casesNoneJul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths0.13 (0 to 0.27) · 20,799 casesNo differentJul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths0.28 (0.14 to 0.43) · 23,182 casesNo differentJul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths0.94 (0.2 to 1.68) · 5,694 casesNo differentJul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths2.36 (1.54 to 3.19) · 7,846 casesNo differentJul 2022 – Jun 2024
Postoperative sepsis rateComplications and deaths5.2 (3.76 to 6.64) · 5,603 casesNo differentJul 2022 – Jun 2024
Postoperative wound dehiscence rateComplications and deaths1.38 (0.23 to 2.53) · 2,211 casesNo differentJul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths0.52 (0.21 to 0.83) · 19,915 casesNo differentJul 2022 – Jun 2024
Rate of complications for hip/knee replacement patientsComplications and deaths3.6 · 416 casesNoneApr 2023 – Mar 2025
Central Line Associated Bloodstream Infection (ICU + select Wards)Infections0.869No differentOct 2024 – Sep 2025
MRSA BacteremiaInfections0.857No differentOct 2024 – Sep 2025
SSI - Abdominal HysterectomyInfections0.368No differentOct 2024 – Sep 2025
Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits16.2 · 247 casesNoneJul 2023 – Jun 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits20.5 · 1,021 casesNoneJul 2023 – Jun 2025
Hospital return days for heart attack patientsUnplanned return visits47.8 · 258 casesNoneJul 2022 – Jun 2025
Hospital return days for heart failure patientsUnplanned return visits-1.6 · 990 casesNoneJul 2022 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits20.8 · 976 casesNoneJul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits16.5 · 959 casesNoneJul 2023 – Jun 2025
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits5.2 (4.4 to 6.2) · 2,191 casesNo differentJan 2024 – Dec 2024
Rate of readmission after hip/knee replacementUnplanned return visits5.1 · 425 casesNoneJul 2023 – Jun 2025
Rate of readmission for CABGUnplanned return visits9.6 · 158 casesNoneJul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits19.6 · 183 casesNoneJul 2023 – Jun 2025
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits12.7 (10.4 to 15.4) · 4,578 casesNo differentJan 2022 – Dec 2024

What patients said (6,810 patients answered, 25% of those asked)

Patient survey stars by topic at Stanford Health Care
Cleanliness4
Nurse communication4
Doctor communication4
Communication about medicines3
Discharge information4
Overall hospital rating4
Quietness2
Recommend hospital5
Share of patients giving the best answer at Stanford Health Care
Room was "always" clean75%
Nurses "always" communicated well82%
Doctors "always" communicated well81%
Staff "always" explained63%
Yes, staff "did" give patients this information89%
Yes, staff "did" give patients information about help after discharge89%
Doctors "always" explained things so they could understand76%
Doctors "always" listened carefully80%
Doctors "always" treated them with courtesy and respect87%
Patients who gave a rating of "9" or "10" (high)79%
Staff "always" explained new medications76%
Nurses "always" explained things so they could understand77%
Nurses "always" listened carefully79%
Nurses "always" treated them with courtesy and respect88%
"Always" quiet at night53%
"YES", patients would definitely recommend the hospital83%
Staff "always" explained possible side effects50%
Yes, staff "did" give patients information about possible symptoms90%

Original Medicare doctor bills

$30,020

Medicare paid this office $30,020 for 194 people.

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

Largest Original Medicare bills
Emergency department visit with high level of medical decision making129$18,359$141
Critical care, first 30-74 minutes44$8,166$186
Emergency department visit with moderate level of medical decision making22$1,876$85
Ultrasound of heart, follow-up14$310$22

Who their Medicare patients are

194 Original Medicare patients in 2024. Average age 74 · Under 65 14% · 85 and older 19% · Women 55% · Also on Medicaid 43% · Health risk score 2.54. Above the middle of the specialty; the typical emergency medicine clinician is at 2.01.

Conditions among them: High blood pressure 75% · Diabetes 40% · Chronic kidney disease 39% · Coronary heart disease 37% · Atrial fibrillation 31% · Depression 31% · Heart failure 28% · Dementia 24% · COPD 21% · Cancer 19% · Stroke 19%.

The office billed $223,435, Medicare allowed $39,439 and paid $30,020; for 229 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
2024194229742.54$223,435$30,020
2023171187732.55$161,772$25,049
2022159177722.22$126,927$21,918
2021139147721.99$102,014$20,557
2020135170742.86$144,447$24,313
2019137145742.39$110,285$20,380
2018156169752.04$117,220$21,026
2017108116742.25$84,144$13,531
2016125133711.87$88,720$16,812
2015199214731.96$210,599$27,687
2014236257731.94$154,510$32,378
2013187213721.91$119,013$24,691

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
Emergency department visit with high level of medical decision making92$13,874$151
Critical care, first 30-74 minutes34$6,420$189
Emergency department visit with moderate level of medical decision making35$3,350$96

2022: 3 services

Original Medicare services billed in 2022
Emergency department visit with high level of medical decision making57$9,452$166
Emergency department visit with moderate level of medical decision making75$8,661$115
Critical care, first 30-74 minutes12$2,183$182

2021: 3 services

Original Medicare services billed in 2021
Emergency department visit with high level of medical decision making57$9,754$168
Emergency department visit with moderate level of medical decision making59$6,945$118
Critical care, first 30-74 minutes12$2,691$224

2020: 3 services

Original Medicare services billed in 2020
Critical care, first 30-74 minutes45$10,037$218
Emergency department visit with high level of medical decision making57$9,472$163
Emergency department visit with moderate level of medical decision making16$1,721$108

2019: 3 services

Original Medicare services billed in 2019
Emergency department visit with high level of medical decision making66$9,874$147
Critical care, first 30-74 minutes30$5,942$198
Emergency department visit with moderate level of medical decision making17$1,736$102

2018: 3 services

Original Medicare services billed in 2018
Emergency department visit with high level of medical decision making61$8,484$139
Critical care, first 30-74 minutes33$6,233$189
Emergency department visit with moderate level of medical decision making34$3,233$92

2017: 4 services

Original Medicare services billed in 2017
Critical care, first 30-74 minutes27$4,830$179
Emergency department visit with high level of medical decision making32$4,416$138
Emergency department visit with moderate level of medical decision making17$1,602$89
Hospital observation care on day of discharge21$1,327$63

2016: 4 services

Original Medicare services billed in 2016
Emergency department visit with high level of medical decision making58$8,266$143
Critical care, first 30-74 minutes22$4,183$190
Emergency department visit with moderate level of medical decision making18$1,722$96
Hospital observation care on day of discharge16$1,054$66

2015: 4 services

Original Medicare services billed in 2015
Emergency department visit with high level of medical decision making87$12,557$143
Critical care, first 30-74 minutes39$7,866$197
Emergency department visit with moderate level of medical decision making27$2,730$98
Hospital observation care on day of discharge24$1,583$66

2014: 5 services

Original Medicare services billed in 2014
Emergency department visit with high level of medical decision making100$14,898$146
Critical care, first 30-74 minutes33$6,606$194
Emergency department visit with moderate level of medical decision making47$4,515$96
Hospital observation care on day of discharge29$1,892$65
Emergency department visit with low level of medical decision making12$583$49

2013: 5 services

Original Medicare services billed in 2013
Emergency department visit with high level of medical decision making91$13,165$142
Critical care, first 30-74 minutes19$3,610$190
Emergency department visit with moderate level of medical decision making34$3,016$89
Hospital observation care on day of discharge19$1,213$64
Emergency department visit with low level of medical decision making17$696$41

Medicaid work

$20,319 in 2024

Medicaid paid $20,319 for 189 billed services this clinician did in 2024, up to 33 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
EMERGENCY DEPARTMENT VISIT HIGH MDM174$19,181
EMERGENCY DEPT VISIT MOD MDM15$1,138
Medicaid work by year
2024189233$20,319
2023123218$10,868
202267118$4,684
202161217$4,315
202019118$2,030
201955223$3,457
2018107328$8,317
See the largest Medicaid services in earlier years

2023

Largest Medicaid services in 2023
EMERGENCY DEPARTMENT VISIT HIGH MDM70$6,910
EMERGENCY DEPT VISIT MOD MDM53$3,958

2022

Largest Medicaid services in 2022
EMERGENCY DEPT VISIT MOD MDM67$4,684

2021

Largest Medicaid services in 2021
EMERGENCY DEPT VISIT MOD MDM47$2,943
EMERGENCY DEPARTMENT VISIT HIGH MDM14$1,371

2020

Largest Medicaid services in 2020
EMERGENCY DEPARTMENT VISIT HIGH MDM19$2,030

2019

Largest Medicaid services in 2019
EMERGENCY DEPT VISIT LOW MDM36$1,847
EMERGENCY DEPARTMENT VISIT HIGH MDM19$1,610

2018

Largest Medicaid services in 2018
EMERGENCY DEPT VISIT MOD MDM59$4,377
EMERGENCY DEPARTMENT VISIT HIGH MDM19$2,434
EMERGENCY DEPT VISIT LOW MDM29$1,507

Money from drug and device companies

$129 in 2024

A payment is not proof that care is biased.

Payments by company
MedtronicSymplicity G3$129
1 payment
  • Meals for Symplicity G3 · 2024-09-26 · $129
See the published payment
Every published payment
MedtronicMeals · 2024-09-26Symplicity G3$129

Checkups this office reported

Medicare did not publish checkup rates for this clinician.

Medicare’s overall office score
76.5 / 100
Scores the office’s reporting and systems. It is not a grade for how the doctor treats you.

Professional record

NPI
1356493159
Licence
CA A88310California A88310: Current · expires 2028-05-31
Trained
University of California, Geffen School of Medicine, 2003
Gender
Male
More record details
Sole proprietor
No
Taxonomy
Federal specialty code 207P00000X (207P00000X); Federal specialty code 207PE0004X (207PE0004X)
Mailing address
300 Pasteur Dr, Stanford, CA, 94305
NPI first listed
2007-01-18
NPI last updated
2024-03-19
NPI record certified
2024-03-19

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