Ahmed Zaher Zaafran, M.D.
Anesthesiology Physician · Stanford, CA
Ahmed Zaher Zaafran, M.D. is an anesthesiology physician with a practice address in Stanford, California, and NPI 1225303308, issued on Mar 21, 2012. Check the license (California A120481, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ahmed Zaher Zaafran
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- A120481 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr RM H3580, Stanford, CA 94305
- Phone
- (650) 723-7377
- Enumerated
- Mar 21, 2012
- Record last updated
- Mar 21, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120516000415); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Also registered at 300 Pasteur Dr RM H3580
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jed Cohn, M.D.Anesthesiology Physician1417222613
Verify Ahmed Zaher Zaafran in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A120481Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average anesthesiology physician in 2024
15 Medicare Part D claims, against an average of 402 among the 4,319 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- Cep America - Anesthesia PCFremont, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ahmed Zaher Zaafran among 7,571 anesthesiology physician records in California
Ahmed Zaher Zaafran, M.D. is one of 7,571 anesthesiology physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 70% of them.
- NPI issued2012 · 70% of these records are older, 27% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2008 · median 2006 among the 4,868 with a school on file
- Record last updated2012 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
387 anesthesiology physician records list a practice address in Stanford
They are 387 of the 5,606 NPPES records with a practice address in Stanford, and 7,571 anesthesiology physician records in California.
All 7,571 in California → Every provider in Stanford → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Aileen Adriano, MDStanford, CA 943051558311886
- Martin Angst, MDStanford, CA 943051386694529
- Rhett Atkinson, M.D.Stanford, CA 943051558328005
- Edward Baer, M.D.Stanford, CA 943051710945837
- William Bohman, M.D.Stanford, CA 943051265490387
- Bryan Bohman, MDStanford, CA 943051285692368
- Michael Champeau, M.D.Stanford, CA 943051538126099
- Anthony Doufas, MDStanford, CA 943051578531430
Common questions
What is Ahmed Zaher Zaafran, M.D.'s NPI number?
Ahmed Zaher Zaafran, M.D.'s National Provider Identifier (NPI) is 1225303308, issued on Mar 21, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Ahmed Zaher Zaafran, M.D. located?
The NPPES record lists a practice address at 300 Pasteur Dr RM H3580, Stanford, CA, 94305. Phone: (650) 723-7377. Providers update this record themselves, so call before visiting.
How can I verify Ahmed Zaher Zaafran, M.D.'s license?
NPPES lists California license number A120481, 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 Ahmed Zaher Zaafran, M.D. prescribe under Medicare Part D?
In 2024, Ahmed Zaher Zaafran, M.D. had 15 Medicare Part D claims; the average among anesthesiology physician prescribers was 402. 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.