Thomas M. Brown, DO
NPI 1528066461ActiveIndividual· Internal Medicine, Cardiovascular Disease· Lansing, MI
Internal Medicine, Cardiovascular Disease (DO) in Lansing, Michigan, trained at Oklahoma State University College of Osteopathic Medicine (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $403,374 for 2,029 claims, against $59,331 paid for services in 2024. Amgen Inc. was the largest of 9 companies reporting payments in 2025, $624.29 in all, mostly food and beverage.
Overview
| NPI | 1528066461 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jul 13, 2005 |
| Last updated in NPPES | May 24, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 5101011818 | MI |
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 - Cardiovascular Disease (Cardiology) (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 983 |
|---|---|
| Services billed | 1,581 across 33 procedure codes |
| Paid by Medicare | $59,331 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,029 · 5,325 30-day fills |
|---|---|
| Patients | 372 |
| Total drug cost | $403,374 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Oklahoma State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
Medical group
- Edward W Sparrow Hospital AssociationLansing, MI · 730 clinicians
Hospital affiliations
- Edward W Sparrow HospitalLansing, MI
- Memorial HealthcareOwosso, MI
- Sparrow Ionia HospitalIonia, MI
- University of Michigan Health - Sparrow EatonCharlotte, MI
- University of Michigan Health-Sparrow CarsonCarson City, MI
Industry payments (Open Payments)
- 2025$624.29 · 19 payments from 9 companies
- 2024$488.24 · 20 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $150.60 | 6 |
| Abbott Laboratories | $131.39 | 1 |
| Novartis Pharmaceuticals Corporation | $102.96 | 4 |
| Astrazeneca Pharmaceuticals LP | $87.80 | 1 |
| Novo Nordisk Inc | $46.51 | 2 |
What the 2025 payments were for
- Food and Beverage$624.29 · 19 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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