NPPES file of Aug 9, 2026

Simren Singh, M.D.

Family Medicine Physician · San Francisco, CA

Simren Singh, M.D. is a family medicine physician with a practice address in San Francisco, California, and NPI 1770925729, issued on Jul 18, 2013. Check the license 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1770925729
Name
Simren Singh
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
125-063928 IL
Self-reported in NPPES; status is on the state search
Practice location
1 California St Ste 2300, San Francisco, CA 94111
Phone
(800) 997-6196
Enumerated
Jul 18, 2013
Record last updated
Dec 20, 2023
Fax
(415) 504-1367
Medicare enrollment
Enrolled (PECOS I20251103001974); may accept 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 1 California St Ste 2300

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

  1. Sarah Allen, NP-CFamily Nurse Practitioner1467962621
  2. Veronica Andis-High, APRNPrimary Care Nurse Practitioner1477941680
  3. D'Aren ArchieFamily Nurse Practitioner1265924187
  4. Leena Badhwar, M.D.Internal Medicine Physician1265466874
  5. Celia Baya, RNRegistered Nurse1609723212
  6. Jeanna Bender, ARNP-CFamily Nurse Practitioner1598813974

Verify Simren Singh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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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99% fewer Medicare Part D claims than the average family medicine physician in 2024

27 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Simren Singh27
  2. Specialty average3,544

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.

Simren Singh among 17,133 family medicine physician records in California

Simren Singh, M.D. is one of 17,133 family 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 2013, is newer than 68% of them.

  • NPI issued2013 · 68% of these records are older, 29% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2013 · median 2005 among the 10,652 with a school on file
  • Record last updated2023 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Family Medicine Physician providers in California

There are 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Hollis Burggraf, MDSan Francisco, CA 941111962484329
  2. Melissa Coomes, M.D.San Francisco, CA 941111811987605
  3. Jennette Cross, MDSan Francisco, CA 941111942349964
  4. Paula Dungog-Ocaya, MDSan Francisco, CA 941111962589317
  5. Susan Fedinec, DOSan Francisco, CA 941111770549958
  6. Hayden Lewis, MDSan Francisco, CA 941111083783633
  7. Gwendolyn Okuzumi, MDSan Francisco, CA 941111720164239
  8. Michael Rosenfield, D.O.San Francisco, CA 941111720087141

Common questions

What is Simren Singh, M.D.'s NPI number?

Simren Singh, M.D.'s National Provider Identifier (NPI) is 1770925729, issued on Jul 18, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Simren Singh, M.D. located?

The NPPES record lists a practice address at 1 California St Ste 2300, San Francisco, CA, 94111. Phone: (800) 997-6196. Providers update this record themselves, so call before visiting.

How can I verify Simren Singh, M.D.'s license?

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 Simren Singh, M.D. prescribe under Medicare Part D?

In 2024, Simren Singh, M.D. had 27 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

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.