NPPES file of Aug 9, 2026

William Sellman, M.D.

Family Medicine Physician · San Francisco, CA

William Sellman, M.D. is a family medicine physician with a practice address in San Francisco, California, and NPI 1205999034, issued on Dec 19, 2006. Check the license (California A65803, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1205999034
Name
William Sellman
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A65803 CA
Self-reported in NPPES; status is on the state search
Practice location
559 Clay St Ste 200, San Francisco, CA 94111
Phone
(415) 644-5265
Enumerated
Dec 19, 2006
Record last updated
May 30, 2024
Fax
(415) 291-0489
Medicare enrollment
Enrolled (PECOS I20100330000427); accepts Medicare assignment
Medical or professional school
Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 1996
Telehealth
Offers telehealth (CMS)
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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8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →

Also registered at 559 Clay St Ste 200

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

  1. Christine Brown, PA-CPhysician Assistant1255610630
  2. Stephen Lim, DOFamily Medicine Physician1962939884
  3. Alyssa Patel, PHARMDPharmacist1932619681
  4. Hemalee Patel, D.O.Internal Medicine Physician1992931273
  5. Luukia Ruidas, M.D.Family Medicine Physician1346295821

Verify William Sellman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A65803    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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88% fewer Medicare Part D claims than the average family medicine physician in 2024

423 Medicare Part D claims for 74 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 17 claims were for opioids.

  1. William Sellman423
  2. Specialty average3,544

Most prescribed

  1. Temazepam29 claims
  2. Atorvastatin Calcium23 claims
  3. Lisinopril22 claims
  4. Lorazepam17 claims
  5. Tamsulosin Hcl17 claims
  6. Tramadol Hcl15 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.

Industry payments in 2024: $156.22

2 payments; by number, the most common kind was food and beverage; the largest payer was DePuy Synthes Sales Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Sellman$156.22
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. One Medical Group IncSan Francisco, CA

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

William Sellman among 17,133 family medicine physician records in California

William Sellman, 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 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 59% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1996 · median 2005 among the 10,652 with a school on file
  • Record last updated2024 · 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.

All 17,133 in California → Every provider in San Francisco → Family Medicine Physician nationwide →

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 William Sellman, M.D.'s NPI number?

William Sellman, M.D.'s National Provider Identifier (NPI) is 1205999034, issued on Dec 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Sellman, M.D. located?

The NPPES record lists a practice address at 559 Clay St Ste 200, San Francisco, CA, 94111. Phone: (415) 644-5265. Providers update this record themselves, so call before visiting.

How can I verify William Sellman, M.D.'s license?

NPPES lists California license number A65803, 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 William Sellman, M.D. prescribe under Medicare Part D?

In 2024, William Sellman, M.D. had 423 Medicare Part D claims for 74 beneficiaries; 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.