Michael Edward Krohn, D.O.
NPI 1124012521ActiveIndividual· Hospitalist· Muskegon, MI
Hospitalist (D.O.) in Muskegon, Michigan, trained at Michigan State University College of Osteopathic Medicine (class of 1981). 240 Medicare patients in 2024, $35,935 paid; nearly all of their 229 Part D prescriptions were generic (91%). Boehringer Ingelheim Pharmaceuticals, Inc. reported $15.25 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1124012521 |
|---|---|
| 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 | 5101008419 | MI |
| Internal Medicine | 207R00000X | 5101008419 | 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 | 240 |
|---|---|
| Services billed | 526 across 8 procedure codes |
| Paid by Medicare | $35,935 |
Part D prescriptions in 2024
| Prescriptions (claims) | 229 · 278 30-day fills |
|---|---|
| Patients | 72 |
| Total drug cost | $9,337 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Michigan State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 1981 |
| 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$15.25 · 1 payment from 1 company
- 2024$20.18 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $15.25 | 1 |
What the 2025 payments were for
- Food and Beverage$15.25 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 35 hospitalists in Muskegon · All hospitalists in Michigan