Arpita Desai, M.D.
NPI 1609151125ActiveIndividual· Internal Medicine, Hematology & Oncology· San Francisco, CA
Internal Medicine, Hematology & Oncology (M.D.) with University of California San Francisco and 2 other groups, practicing in San Francisco, California. Their prescriptions cost Medicare Part D more than their services did: $3,232,484 for 291 claims, against $416,846 paid for services in 2024. Exelixis Inc. was the largest of 5 companies reporting payments in 2025, $6,826 in all, mostly consulting fees. Lists UCSF Medical Center as a hospital affiliation.
Overview
| NPI | 1609151125 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 16, 2011 |
| Last updated in NPPES | Apr 30, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | A133686 | CA |
| Internal Medicine | 207R00000X | 133686 | CA |
| Internal Medicine | 207R00000X | 282680 | NY |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 036140176 | IL |
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 - Hematology/Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 156 |
|---|---|
| Services billed | 10,452 across 33 procedure codes |
| Paid by Medicare | $416,846 |
Part D prescriptions in 2024
| Prescriptions (claims) | 291 · 361 30-day fills |
|---|---|
| Patients | 47 |
| Total drug cost | $3,232,484 |
| Generic share | 52% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| 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
- Regents of the University of CaliforniaSan Francisco, CA · 732 clinicians
Hospital affiliation
- UCSF Medical CenterSan Francisco, CA
Industry payments (Open Payments)
- 2025$6,826 · 23 payments from 5 companies
- 2024$12,120 · 16 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exelixis Inc. | $5,978 | 13 |
| Aveo Pharmaceuticals, Inc. | $272.38 | 4 |
| Pfizer Inc. | $250.30 | 2 |
| Merck Sharp & Dohme LLC | $182.21 | 2 |
| Eisai Inc. | $143.64 | 2 |
What the 2025 payments were for
- Consulting Fee$3,795 · 1 payment
- Travel and Lodging$1,760 · 9 payments
- Food and Beverage$1,272 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Hematology & Oncology providers in San Francisco
- 1043314354
- 1821255696
- 1548441660
- 1558431122
- 1821289794
- 1316198112
- 1518155357
- 1528287174
- 1063754448
- 1083869242
- 1518257625
- 1033155213
All Internal Medicine, Hematology & Oncology providers in California →