OrganizationActive
Cosmo L Fraser, MD
NPI 1285407536 · Nephrology Physician · Yuba City, CA
Provider details
- NPI number
- 1285407536
- Entity type
- Organization
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Cosmo Fraser, Md/Owner(530) 218-5536
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(57/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
2115 E Onstott Rd
Yuba City, CA 95991-1587
Phone: (530) 751-0339
Fax: (530) 751-0449
Street-level locationGet directions
Mailing address
220 Standiford Ave Ste F
Modesto, CA 95350-1159
Registry dates
- Enumerated
- 2023-10-30
- Last updated
- 2023-10-30
- Certified
- 2023-10-30
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.