Cosmo Fraser, MD
NPI 1215026760 · Nephrology Physician · Yuba City, CA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cosmo Fraser, MD is a Nephrology Physician provider in Yuba City, CA (NPI 1215026760).
Provider details
- NPI number
- 1215026760
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- C40203 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,987 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 1,109 | $108 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 980 | $120 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 887 | $324 |
| Hemodialysis Procedure With Physician Evaluation90935 | 451 | $64 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 316 | $158 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Allopurinol | 161 | 60 |
| Fludrocortisone Acetate | 79 | 20 |
| Amlodipine Besylate | 69 | 27 |
| Furosemide | 67 | 21 |
| Potassium Chloride | 46 | 16 |
| Hydralazine Hcl | 44 | 17 |
| Cinacalcet Hcl | 38 | — |
| Calcium Acetate | 30 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$105 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-12
- Last updated
- 2023-10-30
- Certified
- 2023-10-30
Frequently asked questions
- What is Cosmo Fraser's NPI number?
- Cosmo Fraser's National Provider Identifier (NPI) is 1215026760, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cosmo Fraser's specialty?
- Cosmo Fraser is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Cosmo Fraser located?
- Cosmo Fraser's practice location on file with NPPES is 2115 E Onstott Rd, Yuba City, CA 95991-1556.
- What is Cosmo Fraser's phone number?
- The practice phone number listed in the NPPES registry for Cosmo Fraser is (530) 751-0339.
- Does Cosmo Fraser accept Medicare?
- Cosmo Fraser is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cosmo Fraser's NPI active?
- Yes — Cosmo Fraser's NPI (1215026760) is active in the NPPES registry as of the last update on 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.