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Obstetrics/Gynecology

Peter T. Nassar, MD

Sees patients in Fresno, CA · California

Summary

Peter T. Nassar, MD (Obstetrics/Gynecology) is enrolled with Medicare at 4 practice locations in Fresno, CA. NPI 1669498622. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

Call(559) 450‑5777 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Peter T. Nassar, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

4Practice locations
Obstetrics/GynecologyPrimary specialty
YesAccepts Medicare assignment
26Years since medical school (graduated 2000)
MaleGender (as listed)
Saint Agnes Medical FoundationGroup practice

Quick answers

Where does Peter T. Nassar see patients?
Medicare's clinician data lists 4 practice locations, including Fresno, CA. Call before your visit to confirm the address.
What is Peter T. Nassar's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Peter T. Nassar accept Medicare assignment?
Yes. Medicare's clinician data says Peter T. Nassar accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Peter T. Nassar?
(559) 450-5777, as listed in official Medicare / NPI Registry data.
What is Peter T. Nassar's NPI number?
1669498622. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Peter T. Nassar is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Peter T. Nassar as a member of this group (CMS data updated 2026-10-02).

  • Saint Agnes Medical Foundation161 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in California →

Other OB-GYNs in Fresno

Clinicians with the same Medicare primary specialty in Fresno, CA — not a recommendation.

All OB-GYNs in Fresno →

Clinician information

CredentialMD
Graduation year2000
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1669498622
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians