Uma Mahadevan, MD
NPI 1851355283ActiveIndividual· Internal Medicine, Gastroenterology· San Francisco, CA
Internal Medicine, Gastroenterology (MD) with UCSF Medical Group Business Services and 1 other group, practicing in San Francisco, California. Their prescriptions cost Medicare Part D more than their services did: $344,813 for 62 claims, against $59,650 paid for services in 2024. Takeda Pharmaceuticals U.S.A., Inc. was the largest of 9 companies reporting payments in 2025, $108,932 in all, mostly consulting fees. Lists UCSF Medical Center as a hospital affiliation.
Overview
| NPI | 1851355283 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 13, 2006 |
| Last updated in NPPES | Aug 23, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A66529 | CA |
| Internal Medicine | 207R00000X | A66529 | 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 - Gastroenterology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 81 |
|---|---|
| Services billed | 2,892 across 31 procedure codes |
| Paid by Medicare | $59,650 |
Part D prescriptions in 2024
| Prescriptions (claims) | 62 · 85 30-day fills |
|---|---|
| Patients | 23 |
| Total drug cost | $344,813 |
| Generic share | 44% of claims |
Education and affiliations
| Graduation year | 1995 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- 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$108,932 · 40 payments from 9 companies
- 2024$31,053 · 25 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. | $51,002 | 11 |
| Pfizer Inc. | $12,320 | 2 |
| Abbvie Inc. | $11,337 | 5 |
| Eli Lilly and Company | $11,000 | 3 |
| Janssen Biotech, Inc. | $8,636 | 5 |
What the 2025 payments were for
- Consulting Fee$103,140 · 23 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$4,950 · 2 payments
- Food and Beverage$562.82 · 9 payments
- Travel and Lodging$279.08 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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