Marc Stuart Arnkoff, M.D.
NPI 1144200270ActiveIndividual· Urology· Southfield, MI
Urology (M.D.) in Southfield, Michigan, trained at Chicago College of Medicine and Surgery (class of 1971). 131 Medicare patients in 2024, $17,213 paid; nearly all of their 478 Part D prescriptions were generic (95%). Janssen Biotech, Inc. was the largest of 3 companies reporting payments in 2025, $71.81 in all, mostly food and beverage.
Overview
| NPI | 1144200270 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jan 17, 2006 |
| Last updated in NPPES | Oct 21, 2025 |
| Certified by provider | Oct 21, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | 4301030781 | MI |
| Urology | 208800000X | 01094465A | IN |
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 - Urology (AZ); Practitioner - Urology (IN); Practitioner - Urology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 131 |
|---|---|
| Services billed | 584 across 16 procedure codes |
| Paid by Medicare | $17,213 |
Part D prescriptions in 2024
| Prescriptions (claims) | 478 · 1,131 30-day fills |
|---|---|
| Patients | 135 |
| Total drug cost | $22,344 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | Chicago College of Medicine and Surgery |
|---|---|
| Graduation year | 1971 |
| Medicare specialty | Urology |
Medical groups
- Michigan Healthcare Professionals PCClarkston, MI · 529 clinicians
- Bullhead City Clinic CorpBullhead City, AZ · 28 clinicians
Hospital affiliations
- Baptist Health CorbinCorbin, KY
- Garden City HospitalGarden City, MI
- Kingman Regional Medical CenterKingman, AZ
- Sunrise Hospital and Medical CenterLas Vegas, NV
- Western Arizona Regional Medical CenterBullhead City, AZ
Industry payments (Open Payments)
- 2025$71.81 · 3 payments from 3 companies
- 2024$960.16 · 12 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $30.40 | 1 |
| Novartis Pharmaceuticals Corporation | $21.03 | 1 |
| Azurity Pharmaceuticals, Inc. | $20.38 | 1 |
What the 2025 payments were for
- Food and Beverage$71.81 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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