Dirk A. Bakker, M.D.
NPI 1881692077ActiveIndividual· Orthopaedic Surgery· Grand Haven, MI
Orthopaedic Surgery (M.D.) in Grand Haven, Michigan, trained at University of Michigan Medical School (class of 1996). 265 Medicare patients in 2024, $115,968 paid; nearly all of their 705 Part D prescriptions were generic (98%). Vertex Pharmaceuticals Incorporated was the largest of 3 companies reporting payments in 2025, $151.07 in all, mostly food and beverage.
Overview
| NPI | 1881692077 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 12, 2005 |
| Last updated in NPPES | Mar 29, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 4301067471 | 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 - Orthopedic Surgery (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 265 |
|---|---|
| Services billed | 4,679 across 74 procedure codes |
| Paid by Medicare | $115,968 |
Part D prescriptions in 2024
| Prescriptions (claims) | 705 · 711 30-day fills |
|---|---|
| Patients | 249 |
| Total drug cost | $21,937 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- Orthopaedic Associates of Muskegon PCMuskegon, MI · 116 clinicians
Hospital affiliations
- Mercy Health Lakeshore CampusShelby, MI
- Spectrum HealthGrand Rapids, MI
- Trinity Health Grand Haven HospitalGrand Haven, MI
- Trinity Health Muskegon HospitalMuskegon, MI
Industry payments (Open Payments)
- 2025$151.07 · 6 payments from 3 companies
- 2024$181.51 · 7 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vertex Pharmaceuticals Incorporated | $78.45 | 4 |
| Zimmer Biomet Holdings, Inc. | $43.12 | 1 |
| Abbott Laboratories | $29.50 | 1 |
What the 2025 payments were for
- Food and Beverage$151.07 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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