David R. Folkmier, D.O.
NPI 1871587287ActiveIndividual· Hospitalist· Muskegon, MI
Hospitalist (D.O.) in Muskegon, Michigan, trained at Michigan State University College of Osteopathic Medicine (class of 1990). 171 Medicare patients in 2024, $23,006 paid; nearly all of their 232 Part D prescriptions were generic (98%). Merck Sharp & Dohme LLC was the largest of 3 companies reporting payments in 2025, $66.78 in all, mostly food and beverage.
Overview
| NPI | 1871587287 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Aug 31, 2005 |
| Last updated in NPPES | Apr 23, 2022 |
| Certified by provider | Apr 23, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 5101010981 | MI |
| Internal Medicine | 207R00000X | 5101010981 | 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 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 - Internal Medicine (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 171 |
|---|---|
| Services billed | 328 across 6 procedure codes |
| Paid by Medicare | $23,006 |
Part D prescriptions in 2024
| Prescriptions (claims) | 232 · 548 30-day fills |
|---|---|
| Patients | 107 |
| Total drug cost | $5,586 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | Michigan State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Internal Medicine |
Medical group
- Mercy Specialty ServicesMuskegon, MI · 90 clinicians
Hospital affiliations
- Mercy Health Lakeshore CampusShelby, MI
- Trinity Health Muskegon HospitalMuskegon, MI
Industry payments (Open Payments)
- 2025$66.78 · 4 payments from 3 companies
- 2024$65.14 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $29.17 | 2 |
| E.R. Squibb & Sons, L.L.C. | $19.75 | 1 |
| Inspire Medical Systems, Inc. | $17.86 | 1 |
What the 2025 payments were for
- Food and Beverage$66.78 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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