John Arthur Donovan, M.D.
NPI 1164451688ActiveIndividual· Internal Medicine, Transplant Hepatology· Los Angeles, CA
Internal Medicine, Transplant Hepatology (M.D.) in Los Angeles, California, licensed in CA, with an NPI issued in June 2006. Their prescriptions cost Medicare Part D more than their services did: $108,667 for 366 claims, against $3,473 paid for services in 2024. Gilead Sciences, Inc. reported $57.78 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1164451688 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 30, 2006 |
| Last updated in NPPES | Nov 14, 2020 |
| Certified by provider | Nov 14, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Transplant Hepatology Primary | 207RT0003X | G55128 | CA |
| Internal Medicine, Gastroenterology | 207RG0100X | G55128 | 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 - Gastroenterology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 55 |
|---|---|
| Services billed | 70 across 9 procedure codes |
| Paid by Medicare | $3,473 |
Part D prescriptions in 2024
| Prescriptions (claims) | 366 · 669 30-day fills |
|---|---|
| Patients | 53 |
| Total drug cost | $108,667 |
| Generic share | 87% of claims |
Industry payments (Open Payments)
- 2024$57.78 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $57.78 | 1 |
What the 2024 payments were for
- Food and Beverage$57.78 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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