Corey Fellows, D.O.
NPI 1144640897ActiveIndividual· Emergency Medicine· Grand Rapids, MI
Emergency Medicine (D.O.) in Grand Rapids, Michigan, trained at Michigan State University College of Osteopathic Medicine (class of 2014). 205 Medicare patients in 2024, $29,385 paid; nearly all of their 226 Part D prescriptions were generic (90%). Genentech USA, Inc. reported $15.34 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1144640897 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Apr 21, 2014 |
| Last updated in NPPES | Oct 10, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 5101021187 | 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 - Emergency Medicine (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 205 |
|---|---|
| Services billed | 226 across 16 procedure codes |
| Paid by Medicare | $29,385 |
Part D prescriptions in 2024
| Prescriptions (claims) | 226 · 229 30-day fills |
|---|---|
| Patients | 163 |
| Total drug cost | $8,693 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Michigan State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Emergency Medicine |
Medical group
- Ecs Western Michigan PCGrand Rapids, MI · 201 clinicians
Hospital affiliations
- Corewell Health Ludington HospitalLudington, MI
- Spectrum HealthGrand Rapids, MI
Industry payments (Open Payments)
- 2025$15.34 · 1 payment from 1 company
- 2024$13.72 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genentech USA, Inc. | $15.34 | 1 |
What the 2025 payments were for
- Food and Beverage$15.34 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 196 emergency medicine physicians in Grand Rapids · All emergency medicine physicians in Michigan