NPPES file of Aug 9, 2026

David Peter Chou, M.D.

Emergency Medicine Physician · San Francisco, CA

David Peter Chou, M.D. is an emergency medicine physician with a practice address in San Francisco, California, and NPI 1942664578, issued on Apr 10, 2016. Check the license (California A157486, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1942664578
Name
David Peter Chou
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
A157486 CA
Self-reported in NPPES; status is on the state search
Practice location
450 Stanyan St, San Francisco, CA 94117
Phone
(415) 668-1000
Enumerated
Apr 10, 2016
Record last updated
Jul 16, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20190808003841); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 450 Stanyan St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Blakney Adkins, MS OTR/LOccupational Therapist1881249522
  2. Leigh Allen, MSPTPhysical Therapist1982821229
  3. Mariam Amin, M.DStudent in an Organized Health Care Education/Training Program1588027981
  4. David Andino-Nieves, MDInternal Medicine Physician1639515638
  5. Allison AngurenStudent in an Organized Health Care Education/Training Program1376121152
  6. Nadine Antebi, PTNeurology Physical Therapist1962373753

Verify David Peter Chou in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A157486
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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31% more Medicare Part D claims than the average emergency medicine physician in 2024

296 Medicare Part D claims for 195 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 25 claims were for opioids.

  1. David Chou296
  2. Specialty average226

Most prescribed

  1. Ondansetron Odt43 claims
  2. Ibuprofen28 claims
  3. Cefdinir21 claims
  4. Oxycodone-Acetaminophen17 claims
  5. Amoxicillin-Clavulanate Potass13 claims
  6. Famotidine13 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 94.6 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score76.7
  2. Costout of 100 · 30%97.1
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Cep America - CaliforniaAnaheim, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

David Peter Chou among 7,751 emergency medicine physician records in California

David Peter Chou, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 75% of them.

  • NPI issued2016 · 75% of these records are older, 22% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2016 · median 2011 among the 4,560 with a school on file
  • Record last updated2019 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in California

There are 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Larry Bedard, M.DSan Francisco, CA 941171801832100
  2. Madeline Deutsch, MDSan Francisco, CA 941171750313383
  3. Tin Do, M.D.San Francisco, CA 941171154419034
  4. Abhilash Felix, M.D.San Francisco, CA 941171194089813
  5. Oron Frenkel, M.D., M.S.San Francisco, CA 941171699077594
  6. David Karch, M.D.San Francisco, CA 941171861401382
  7. Margaret Salmon, M.D., M.P.H.San Francisco, CA 941171497915268
  8. Lisa Wu, M.DSan Francisco, CA 941171114954385

Common questions

What is David Peter Chou, M.D.'s NPI number?

David Peter Chou, M.D.'s National Provider Identifier (NPI) is 1942664578, issued on Apr 10, 2016. An NPI identifies a provider in billing; it is not a license.

Where is David Peter Chou, M.D. located?

The NPPES record lists a practice address at 450 Stanyan St, San Francisco, CA, 94117. Phone: (415) 668-1000. Providers update this record themselves, so call before visiting.

How can I verify David Peter Chou, M.D.'s license?

NPPES lists California license number A157486, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does David Peter Chou, M.D. prescribe under Medicare Part D?

In 2024, David Peter Chou, M.D. had 296 Medicare Part D claims for 195 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is David Peter Chou, M.D.'s MIPS final score?

The 2023 MIPS final score is 94.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.