Thomas C. Doerner, MD
NPI 1881742831ActiveIndividual· Internal Medicine, Interventional Cardiology· Los Angeles, CA
Internal Medicine, Interventional Cardiology (MD) in Los Angeles, California, trained at University of Maryland School of Medicine (class of 1974). Their prescriptions cost Medicare Part D more than their services did: $64,698 for 446 claims, against $10,916 paid for services in 2024. Bayer Healthcare Pharmaceuticals Inc. was the largest of 2 companies reporting payments in 2025, $85.41 in all, mostly food and beverage.
Overview
| NPI | 1881742831 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 8, 2007 |
| Last updated in NPPES | Jun 1, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | G30583 | 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 - Cardiovascular Disease (Cardiology) (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 41 |
|---|---|
| Services billed | 113 across 8 procedure codes |
| Paid by Medicare | $10,916 |
Part D prescriptions in 2024
| Prescriptions (claims) | 446 · 848 30-day fills |
|---|---|
| Patients | 98 |
| Total drug cost | $64,698 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | University of Maryland School of Medicine |
|---|---|
| Graduation year | 1974 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
Medical group
- Schubert Palmer, M.D., Inc.Los Angeles, CA · 2 clinicians
Industry payments (Open Payments)
- 2025$85.41 · 3 payments from 2 companies
- 2024$85.99 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $62.10 | 2 |
| Amgen Inc. | $23.31 | 1 |
What the 2025 payments were for
- Food and Beverage$85.41 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other interventional cardiologists in Los Angeles
- 1033616578
- 1104810076
- 1154595346
- 1174840102
- 1285843979
- 1285959858
- 1316026974
- 1346660461
- 1366739880
- 1386638153
- 1407065790
- 1457507915
All 50 interventional cardiologists in Los Angeles · All interventional cardiologists in California