William Doujan Naber, M.D.
General Practice Physician · San Francisco, CA
William Doujan Naber, M.D. is a general practice physician with a practice address in San Francisco, California, and NPI 1912093626, issued on Oct 4, 2006. Check the license (California A41429, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- William Doujan Naber
- Credential
- M.D.
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- A41429 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1375 Sutter St, San Francisco, CA 94109
- Phone
- (415) 346-0255
- Enumerated
- Oct 4, 2006
- Record last updated
- Aug 13, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (415) 346-2553
- Medicare enrollment
- Enrolled (PECOS I20091203000248); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 1,956 in California → Look up another NPI →
Also registered at 1375 Sutter St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Doujan Naber in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A41429Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average general practice physician in 2024
612 Medicare Part D claims for 57 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium56 claims
- Lisinopril44 claims
- Metformin Hcl42 claims
- Simvastatin35 claims
- Hydrochlorothiazide29 claims
- Losartan Potassium23 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: $2,017.02
46 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 4,259 providers of this specialty with any payment received $1,273.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
William Doujan Naber among 1,956 general practice physician records in California
William Doujan Naber, M.D. is one of 1,956 general practice physician records with a practice address in California. 48% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 66% newer
- In a Medicare fileYes · 48% of these records are
- In the CMS Doctors and Clinicians fileYes · 27% of these records are
- Graduated1976 · median 1994 among the 520 with a school on file
- Record last updated2009 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in California
There are 1,956 general practice physician records in California.
All 1,956 in California → Every provider in San Francisco → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Bruce Flagg, D.O.San Francisco, CA 941091457627853
- Mike Heydari, M.D.San Francisco, CA 941101972602464
- Sneha Shrestha, M.D.San Francisco, CA 941081558788810
- Lorry Larson, MDSan Francisco, CA 941111144381583
- Philip Zuzolo, MDSan Francisco, CA 941071366885428
- Kenneth Hammonds, D.O.San Francisco, CA 941141487995866
- Avril Swan, M.D.San Francisco, CA 941141548246770
- Jared Adams, M.D., PH.D.San Francisco, CA 941151578880878
Common questions
What is William Doujan Naber, M.D.'s NPI number?
William Doujan Naber, M.D.'s National Provider Identifier (NPI) is 1912093626, issued on Oct 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Doujan Naber, M.D. located?
The NPPES record lists a practice address at 1375 Sutter St, San Francisco, CA, 94109. Phone: (415) 346-0255. Providers update this record themselves, so call before visiting.
How can I verify William Doujan Naber, M.D.'s license?
NPPES lists California license number A41429, 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 Doujan Naber, M.D. prescribe under Medicare Part D?
In 2024, William Doujan Naber, M.D. had 612 Medicare Part D claims for 57 beneficiaries; the average among general practice physician prescribers was 3,030. 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.