Donald F. Nortman, MD
NPI 1780739896ActiveIndividual· Internal Medicine, Nephrology· Los Angeles, CA
Internal Medicine, Nephrology (MD) in Los Angeles, California, trained at Harvard Medical School (class of 1972). Their prescriptions cost Medicare Part D more than their services did: $543,437 for 2,391 claims, against $169,028 paid for services in 2024. Akebia Therapeutics Inc was the largest of 14 companies reporting payments in 2025, $1,628 in all, mostly food and beverage.
Overview
| NPI | 1780739896 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 25, 2007 |
| Last updated in NPPES | Oct 2, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | G34241 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 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 | 159 |
|---|---|
| Services billed | 5,904 across 49 procedure codes |
| Paid by Medicare | $169,028 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,391 · 4,401 30-day fills |
|---|---|
| Patients | 117 |
| Total drug cost | $543,437 |
| Generic share | 75% of claims |
Education and affiliations
| Medical school | Harvard Medical School |
|---|---|
| Graduation year | 1972 |
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Donald F Nortman MD A Medical CorporationLos Angeles, CA · 2 clinicians
Hospital affiliation
- Cedars-Sinai Medical CenterLos Angeles, CA
Other facilities
- Usrc Westside DialysisDialysis facility · Los Angeles, CA
Industry payments (Open Payments)
- 2025$1,628 · 47 payments from 14 companies
- 2024$1,329 · 47 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Akebia Therapeutics Inc | $249.14 | 4 |
| Bayer Healthcare Pharmaceuticals Inc. | $233.69 | 6 |
| Ascendis Pharma Endocrinology Inc | $210.79 | 5 |
| Calliditas Therapeutics US Inc. | $178.71 | 3 |
| Novartis Pharmaceuticals Corporation | $165.63 | 8 |
What the 2025 payments were for
- Food and Beverage$1,620 · 46 payments
- Education$7.70 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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