Peter Theodore Nassar, M.D.
Obstetrics & Gynecology Physician · Fresno, CA
Peter Theodore Nassar, M.D. is an obstetrics & gynecology physician with a practice address in Fresno, California, and NPI 1669498622, issued on Jul 14, 2006. Check the license (California A80372, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Peter Theodore Nassar
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A80372 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1303 E Herndon Ave, Fresno, CA 93720
- Phone
- (559) 450-3000
- Enumerated
- Jul 14, 2006
- Record last updated
- Apr 6, 2026
- Fax
- (559) 450-7472
- Medicaid ID
- 00A803720 CA
- Medicare enrollment
- Enrolled (PECOS I20040602001577); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 1303 E Herndon Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Marie-Rose Akin, MDClinical Pathology/Laboratory Medicine Physician1518988377
- George Alam, M.D.Emergency Medicine Physician1477594745
- Michael Alberts, M.D.Emergency Medicine Physician1366483943
Verify Peter Theodore Nassar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A80372Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
69 Medicare Part D claims for 23 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of 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: $92.30
6 payments; by number, the most common kind was food and beverage; the largest payer was Mayne Pharma Commercial LLC. The 21,429 providers of this specialty with any payment received $1,030.61 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.
Bills Medicare through 2 group practices
- Camarena HealthMadera, CA
- Saint Agnes Medical FoundationFresno, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Peter Theodore Nassar among 5,088 obstetrics & gynecology physician records in California
Peter Theodore Nassar, M.D. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% 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, 52% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2000 · median 2004 among the 2,700 with a school on file
- Record last updated2026 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Fresno → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Jaswant Chahal-Matharu, M.D.Fresno, CA 937201295842953
- Robert Curry, M.D.Fresno, CA 937201033205539
- Patricia Felton, MDFresno, CA 937201033174180
- Katherine Finney, MDFresno, CA 937201699739458
- Harold Grooms, M.D.Fresno, CA 937201205837192
- Daniel Hernandez, MDFresno, CA 937201487615449
- Thomas Kulterman, MDFresno, CA 937201851479760
- Stewart Mason, M.D.Fresno, CA 937201871519835
Common questions
What is Peter Theodore Nassar, M.D.'s NPI number?
Peter Theodore Nassar, M.D.'s National Provider Identifier (NPI) is 1669498622, issued on Jul 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Peter Theodore Nassar, M.D. located?
The NPPES record lists a practice address at 1303 E Herndon Ave, Fresno, CA, 93720. Phone: (559) 450-3000. Providers update this record themselves, so call before visiting.
How can I verify Peter Theodore Nassar, M.D.'s license?
NPPES lists California license number A80372, 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 Peter Theodore Nassar, M.D. prescribe under Medicare Part D?
In 2024, Peter Theodore Nassar, M.D. had 69 Medicare Part D claims for 23 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.