Gregory Alan Flermoen, M.D.
NPI 1508178682ActiveIndividual· Surgery· Saint Joseph, MI
Surgery (M.D.) in Saint Joseph, Michigan, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 2010). 111 Medicare patients in 2024, $31,275 paid; nearly all of their 164 Part D prescriptions were generic (98%). Intuitive Surgical, Inc. was the largest of 11 companies reporting payments in 2025, $4,540 in all, mostly education.
Overview
| NPI | 1508178682 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 6, 2010 |
| Last updated in NPPES | Mar 30, 2026 |
| Certified by provider | Mar 30, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 4301096517 | 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 - General Surgery (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 111 |
|---|---|
| Services billed | 215 across 59 procedure codes |
| Paid by Medicare | $31,275 |
Part D prescriptions in 2024
| Prescriptions (claims) | 164 · 164 30-day fills |
|---|---|
| Patients | 87 |
| Total drug cost | $1,820 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | General Surgery |
Medical group
- Memorial HospitalPerry, MI · 214 clinicians
Hospital affiliations
- Lakeland Hospital, St JosephSt Joseph, MI
- Memorial HealthcareOwosso, MI
Industry payments (Open Payments)
- 2025$4,540 · 23 payments from 11 companies
- 2024$193.10 · 8 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $4,288 | 12 |
| Vertex Pharmaceuticals Incorporated | $46.91 | 2 |
| Medtronic, Inc. | $46.75 | 1 |
| Ethicon US, LLC | $26.35 | 1 |
| Smith+nephew, Inc. | $23.25 | 1 |
What the 2025 payments were for
- Education$2,515 · 3 payments
- Travel and Lodging$1,765 · 8 payments
- Food and Beverage$259.75 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 16 general surgeons in Saint Joseph · All general surgeons in Michigan