Ole Dierks, M.D.
NPI 1740221514ActiveIndividual· Internal Medicine, Nephrology· Oakland, CA
Internal Medicine, Nephrology (M.D.) with West Coast Kidney, practicing in Oakland, California. In 2024 Medicare paid $295,419 for 510 patients, and Part D covered 1,148 of their prescriptions, 84% of them generic. Novo Nordisk Inc was the largest of 7 companies reporting payments in 2025, $281.99 in all, mostly food and beverage. Lists Alameda Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1740221514 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 10, 2006 |
| Last updated in NPPES | Nov 14, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A93901 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nephrology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 510 |
|---|---|
| Services billed | 2,280 across 30 procedure codes |
| Paid by Medicare | $295,419 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,148 · 2,990 30-day fills |
|---|---|
| Patients | 188 |
| Total drug cost | $263,925 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Nephrology |
Medical group
- West Coast KidneyDaly City, CA · 56 clinicians
Hospital affiliations
- Alameda HospitalAlameda, CA
- Alta Bates Summit Medical CenterOakland, CA
- Stanford Health CareStanford, CA
- UCSF Medical CenterSan Francisco, CA
Other facilities
- Rai-Telegraph-PeraltaDialysis facility · Oakland, CA
- Shc Oakland WaterfrontDialysis facility · Oakland, CA
- Shc Wb San LeandroDialysis facility · San Leandro, CA
Industry payments (Open Payments)
- 2025$281.99 · 12 payments from 7 companies
- 2024$194.15 · 10 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $92.89 | 5 |
| Otsuka America Pharmaceutical, Inc. | $54.99 | 2 |
| Mallinckrodt Hospital Products Inc. | $34.57 | 1 |
| Amgen Inc. | $32.23 | 1 |
| Apellis Pharmaceuticals, Inc. | $26.72 | 1 |
What the 2025 payments were for
- Food and Beverage$281.99 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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