NPI Portal NPI Lookup & Verification

Cosmo L Fraser, MD

Cosmo L Fraser, MD is a healthcare organization registered as Nephrology Physician in Yuba City, CA, holding Type 2 (organization) NPI 1285407536 since 2023. The authorized official on file is Cosmo Fraser, MD/Owner.

✓ Active NPI ✓ Valid NPI checksum

NPI 1285407536
Entity type Organization (Type 2)
Legal business name Cosmo L Fraser, MD
Practice address 2115 E ONSTOTT RD, Yuba City, CA, 95991
Phone 5307510339
Fax 5307510449
Enumeration date 2023-10-30
Last updated in NPPES 2023-10-30

Authorized official

Name Cosmo Fraser
Title MD/Owner
Phone 5302185536

Taxonomy & classification

Taxonomy code Specialty Primary License State
207RN0300X Nephrology Physician Primary
Copy-ready billing details
Provider: Cosmo L Fraser, MD
NPI: 1285407536
Taxonomy: 207RN0300X (Nephrology Physician)
Address: 2115 E ONSTOTT RD, Yuba City, CA, 95991

Providers at this address

NPI Name Type Specialty Location
1215026760 Cosmo Fraser Individual Nephrology Physician Yuba City, CA
1316643471 Candice Ocel Individual Family Nurse Practitioner Yuba City, CA

Verify this record

Cross-check NPI 1285407536 against the authoritative CMS record: view Cosmo L Fraser, MD on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

Where is Cosmo L Fraser, MD located?
The practice location on file with NPPES is in Yuba City, CA.
How current is this record?
Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2023-10-30. Verify at npiregistry.cms.hhs.gov.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2023-10-30.