Active NPI
Peter Theodore Nassar, M.D.
- Obstetrics & Gynecology Physician
- Fresno, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Obstetrics & Gynecology Physician
- License
- A80372
- Practice address
- 1303 E Herndon Ave
Fresno, CA 93720-3309 - Phone
- (559) 450-3000
- Fax
- (559) 450-7472
- NPI assigned
- Jul 14, 2006
- Last updated
- Apr 6, 2026
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Obstetrics & Gynecology Physician | 207V00000X | A80372 | CA | Primary |
Addresses
Primary practice location
1303 E Herndon Ave
Fresno, CA 93720-3309
Mailing address
6121 N Thesta St
Suite 303
Fresno, CA 93710-8603
Phone (559) 450-2300
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 00A803720 | Medicaid | CA |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Obstetrics/Gynecology
- Education
- Other, 2000
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Camarena Health
Practice addresses (Care Compare)
1221 E Spruce Ave
Fresno, CA 93720-3374
Phone (559) 450-5777
1303 E Herndon Ave
Fresno, CA 93720-3309
Phone (559) 450-3433
1379 E Herndon Ave
Fresno, CA 93720-3309
Phone (559) 450-6388
344 E 6TH St
Madera, CA 93638-3631
Phone (559) 664-4000
7202 N Millbrook Ave
Fresno, CA 93720-3341
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A80372 | CA | MD | Obstetrics & Gynecology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| LQMG Medical Group Inc. | Current | Accepting new patients | |
| Peter Nassar M.D., Inc | Obstetrics & Gynecology | Current | Accepting new patients |
| Saint Agnes Medical Foundation | Obstetrics & Gynecology | Current | Accepting new patients |
| Fresno Community Hospital and Medical Center | Past | Accepting new patients | |
| Camarena Health | Past | Accepting new patients | |
| Saint Agnes Medical Center | Past | Accepting new patients | |
| Camarena Health | Past | Accepting new patients | |
| Central California Faculty Medical Group, Inc. | Obstetrics & Gynecology | Past | Accepting new patients |
Locations
1221 E Spruce Ave
Fresno, CA 93720
Phone (559) 449-5777
1303 E Herndon Ave
Fresno, CA 93720
Phone (559) 449-3000
1303 E Herndon Ave
Ste 850
Fresno, CA 93720
Phone (559) 450-5672
1377 E Herndon Ave
Ste 104
Fresno, CA 93720
Phone (559) 450-7455
6121 N Thesta St
Ste 303
Fresno, CA 93710
Phone (559) 450-2300
7202 N Millbrook Ave
Ste 206
Fresno, CA 93720
Phone (559) 450-2300
Interoperability endpoints
- peter.nassar.1@25900.direct.athenahealth.com
Organizations & group practices 8
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
dba Saint Agnes Care
- Internal Medicine Physician
- Fresno, CA
- NPI 1558819482
Obstetrics & Gynecology
-
- Obstetrics & Gynecology Physician
- Fresno, CA
- NPI 1477425718
-
- Internal Medicine Physician
- Fresno, CA
- NPI 1437166360
-
dba Camarena Health - Los Banos
- Federally Qualified Health Center (FQHC)
- Los Banos, CA
- NPI 1114757754
-
- Internal Medicine Physician
- Clovis, CA
- NPI 1992742852
Obstetrics & Gynecology
-
dba Community Regional Medical Center
- General Acute Care Hospital
- Fresno, CA
- NPI 1104906569
-
- General Acute Care Hospital
- Fresno, CA
- NPI 1205845567
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1152835200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1775433600000",
"number": "1669498622",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "6121 N THESTA ST",
"address_2": "SUITE 303",
"city": "FRESNO",
"state": "CA",
"postal_code": "937108603",
"telephone_number": "559-450-2300",
"fax_number": "559-450-2392"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1303 E HERNDON AVE",
"city": "FRESNO",
"state": "CA",
"postal_code": "937203309",
"telephone_number": "559-450-3000",
"fax_number": "559-450-7472"
}
],
"practiceLocations": [],
"basic": {
"last_name": "NASSAR",
"first_name": "PETER",
"middle_name": "THEODORE",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-07-14",
"last_updated": "2026-04-06",
"certification_date": "2026-04-06",
"status": "A"
},
"taxonomies": [
{
"code": "207V00000X",
"taxonomy_group": "",
"desc": "Obstetrics & Gynecology",
"state": "CA",
"license": "A80372",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "00A803720",
"state": "CA"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Fresno, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 6, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.