Stuart Lee Warnaar, MD
NPI 1245235472ActiveIndividual· Internal Medicine· Traverse City, MI
Internal Medicine (MD) in Traverse City, Michigan, trained at Wayne State University School of Medicine (class of 1981). Their prescriptions cost Medicare Part D more than their services did: $1,137,871 for 11,131 claims, against $69,744 paid for services in 2024. Dexcom, Inc. was the largest of 2 companies reporting payments in 2024, $247.61 in all, mostly food and beverage.
Overview
| NPI | 1245235472 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 15, 2005 |
| Last updated in NPPES | Sep 5, 2024 |
| Certified by provider | Sep 5, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 4301045523 | 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 | 246 |
|---|---|
| Services billed | 833 across 26 procedure codes |
| Paid by Medicare | $69,744 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,131 · 26,190 30-day fills |
|---|---|
| Patients | 870 |
| Total drug cost | $1,137,871 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Internal Medicine |
Medical group
- Munson Medical GroupTraverse City, MI · 194 clinicians
Hospital affiliations
- Kalkaska Memorial Health CenterKalkaska, MI
- Munson Healthcare Cadillac HospitalCadillac, MI
- Munson Healthcare Manistee HospitalManistee, MI
- Munson Medical CenterTraverse City, MI
- Paul Oliver Memorial HospitalFrankfort, MI
Other facilities
- Munson Home CareHome health agency · Traverse City, MI
- Residential Home Health and HospiceHome health agency · Saginaw, MI
Industry payments (Open Payments)
- 2024$247.61 · 2 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Dexcom, Inc. | $137.61 | 1 |
| Astellas Pharma US Inc | $110.00 | 1 |
What the 2024 payments were for
- Food and Beverage$247.61 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 113 internal medicine physicians in Traverse City · All internal medicine physicians in Michigan