Nisha Hariharan, MD
NPI 1679004543ActiveIndividual· Internal Medicine, Hematology & Oncology· Berkeley, CA
Internal Medicine, Hematology & Oncology (MD) in Berkeley, California, trained at Pennsylvania State University College of Medicine (class of 2023). In 2024 Medicare paid $950,631 for 218 patients, and Part D covered 255 of their prescriptions, 63% of them generic. Astrazeneca Pharmaceuticals LP was the largest of 3 companies reporting payments in 2025, $116.26 in all, mostly food and beverage.
Overview
| NPI | 1679004543 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Mar 23, 2017 |
| Last updated in NPPES | Jan 30, 2024 |
| Certified by provider | Jan 30, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | A157468 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 218 |
|---|---|
| Services billed | 32,966 across 76 procedure codes |
| Paid by Medicare | $950,631 |
Part D prescriptions in 2024
| Prescriptions (claims) | 255 · 326 30-day fills |
|---|---|
| Patients | 58 |
| Total drug cost | $1,275,493 |
| Generic share | 63% of claims |
Education and affiliations
| Medical school | Pennsylvania State University College of Medicine |
|---|---|
| Graduation year | 2023 |
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- University of California San FranciscoSan Francisco, CA · 1,839 clinicians
- UCSF Medical Group Business ServicesSan Francisco, CA · 1,598 clinicians
Hospital affiliations
- Adventist Health Mendocino CoastFort Bragg, CA
- UCSF Medical CenterSan Francisco, CA
Industry payments (Open Payments)
- 2025$116.26 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $55.46 | 2 |
| Tempus Ai, Inc | $42.74 | 2 |
| Abbvie Inc. | $18.06 | 1 |
What the 2025 payments were for
- Food and Beverage$116.26 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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