Donald M. Knapke, MD
NPI 1366432569ActiveIndividual· Orthopaedic Surgery· Troy, MI
Orthopaedic Surgery (MD) in Troy, Michigan, trained at University of Cincinnati College of Medicine (class of 1999). 713 Medicare patients in 2024, $487,724 paid; nearly all of their 447 Part D prescriptions were generic (96%). Microport Orthopedics Inc was the largest of 10 companies reporting payments in 2025, $54,972 in all, mostly consulting fees.
Overview
| NPI | 1366432569 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Oct 27, 2005 |
| Last updated in NPPES | Apr 24, 2026 |
| Certified by provider | Apr 24, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 4301074749 | 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 - Orthopedic Surgery (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 713 |
|---|---|
| Services billed | 3,442 across 51 procedure codes |
| Paid by Medicare | $487,724 |
Part D prescriptions in 2024
| Prescriptions (claims) | 447 · 514 30-day fills |
|---|---|
| Patients | 190 |
| Total drug cost | $6,261 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | University of Cincinnati College of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Orthopedic Surgery |
Medical groups
- Center for Physical Rehabilitation and Therapy LPGrand Rapids, MI · 369 clinicians
- Center for Physical Rehabilitation IncGrand Rapids, MI · 357 clinicians
- Premier Therapy Centers, IncWest Bloomfield, MI · 137 clinicians
- Michigan Orthopaedic Surgeons PLLCBeverly Hills, MI · 127 clinicians
Hospital affiliations
- Beaumont Hospital - Grosse PointeGrosse Pointe, MI
- Beaumont Hospital Royal OakRoyal Oak, MI
- Beaumont Hospital, TroyTroy, MI
- Henry Ford Macomb HospitalClinton Township, MI
- Trinity Health Oakland HospitalPontiac, MI
Other facilities
- Beaumont Home HealthHome health agency · Troy, MI
- Custom Home HealthHome health agency · Troy, MI
- Henry Ford Home Health CareHome health agency · Detroit, MI
- Parc Home CareHome health agency · Farmington Hills, MI
- The Care TeamHome health agency · Saginaw, MI
- Rehabilitation Institute of MichiganInpatient rehabilitation facility · Detroit, MI
Industry payments (Open Payments)
- 2025$54,972 · 54 payments from 10 companies
- 2024$93,334 · 58 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Microport Orthopedics Inc | $36,253 | 30 |
| Smith+nephew, Inc. | $15,338 | 16 |
| Medical Device Business Services, Inc. | $2,940 | 1 |
| Medacta USA, Inc. | $121.26 | 1 |
| Stryker Corporation | $112.19 | 1 |
What the 2025 payments were for
- Consulting Fee$27,240 · 9 payments
- Royalty or License$12,031 · 4 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$8,900 · 5 payments
- Travel and Lodging$4,752 · 12 payments
- Food and Beverage$2,049 · 24 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 45 orthopedic surgeons in Troy · All orthopedic surgeons in Michigan