Steven D. Buchan, MD
NPI 1891880571ActiveIndividual· Internal Medicine· Warren, MI
Internal Medicine (MD) in Warren, Michigan, trained at Michigan State University College of Human Medicine (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $1,137,389 for 8,618 claims, against $102,241 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 14 companies reporting payments in 2025, $742.22 in all, mostly food and beverage.
Overview
| NPI | 1891880571 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 4, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 4301064410 | MI |
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 - Internal Medicine (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 280 |
|---|---|
| Services billed | 2,236 across 43 procedure codes |
| Paid by Medicare | $102,241 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,618 · 20,971 30-day fills |
|---|---|
| Patients | 579 |
| Total drug cost | $1,137,389 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Michigan State University College of Human Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Internal Medicine |
Medical group
- Woods Cardiovascular Internal Medicine Associates PCWarren, MI · 4 clinicians
Hospital affiliations
- Beaumont Hospital - Grosse PointeGrosse Pointe, MI
- Beaumont Hospital Royal OakRoyal Oak, MI
- Beaumont Hospital, TroyTroy, MI
- Henry Ford Health St John HospitalDetroit, MI
- Henry Ford Macomb HospitalClinton Township, MI
Other facilities
- Beaumont Home HealthHome health agency · Troy, MI
- Henry Ford Home Health CareHome health agency · Detroit, MI
- Residential Home HealthHome health agency · Troy, MI
Industry payments (Open Payments)
- 2025$742.22 · 41 payments from 14 companies
- 2024$561.16 · 33 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $164.20 | 13 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $121.45 | 6 |
| Novartis Pharmaceuticals Corporation | $85.95 | 4 |
| Merck Sharp & Dohme LLC | $75.95 | 3 |
| Pfizer Inc. | $51.76 | 3 |
What the 2025 payments were for
- Food and Beverage$742.22 · 41 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 135 internal medicine physicians in Warren · All internal medicine physicians in Michigan