John F. Keller, M.D.
NPI 1770664583ActiveIndividual· Neurological Surgery· Grand Rapids, MI
Neurological Surgery (M.D.) in Grand Rapids, Michigan, trained at Michigan State University College of Human Medicine (class of 1989). 141 Medicare patients in 2024, $160,325 paid; all of their 148 Part D prescriptions were generic. Cutting Edge Spine, LLC was the largest of 4 companies reporting payments in 2025, $6,124 in all, mostly royalties and licenses.
Overview
| NPI | 1770664583 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 18, 2006 |
| Last updated in NPPES | Aug 20, 2026 |
| Certified by provider | Aug 20, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | 054648 | 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 - Neurosurgery (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 141 |
|---|---|
| Services billed | 516 across 45 procedure codes |
| Paid by Medicare | $160,325 |
Part D prescriptions in 2024
| Prescriptions (claims) | 148 · 148 30-day fills |
|---|---|
| Patients | 94 |
| Total drug cost | $1,132 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Michigan State University College of Human Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Neurosurgery |
Medical groups
- Center for Physical Rehabilitation and Therapy LPGrand Rapids, MI · 369 clinicians
- Center for Physical Rehabilitation IncGrand Rapids, MI · 357 clinicians
- Great Lakes Neurosurgical Associates PCGrand Rapids, MI · 14 clinicians
Hospital affiliations
- Corewell Health Big Rapids HospitalBig Rapids, MI
- Corewell Health Reed City HospitalReed City, MI
- Munson Healthcare Cadillac HospitalCadillac, MI
- Spectrum HealthGrand Rapids, MI
- University of Michigan Health - WestWyoming, MI
Industry payments (Open Payments)
- 2025$6,124 · 182 payments from 4 companies
- 2024$8,234 · 152 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Cutting Edge Spine, LLC | $3,646 | 1 |
| Medtronic, Inc. | $2,283 | 179 |
| Augmedics Inc. | $171.74 | 1 |
| Merck Sharp & Dohme LLC | $23.68 | 1 |
What the 2025 payments were for
- Royalty or License$3,646 · 1 payment
- Food and Beverage$2,478 · 181 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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