Nathan Thomas Nartker, MD
NPI 1598269631ActiveIndividual· Dermatology· Grand Rapids, MI
Dermatology (MD) in Grand Rapids, Michigan, trained at Wayne State University School of Medicine (class of 2018). Their prescriptions cost Medicare Part D more than their services did: $461,221 for 1,209 claims, against $63,354 paid for services in 2024. Abbvie Inc. was the largest of 13 companies reporting payments in 2025, $1,192 in all, mostly food and beverage.
Overview
| NPI | 1598269631 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 22, 2018 |
| Last updated in NPPES | Aug 28, 2026 |
| Certified by provider | Aug 28, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 4301507492 | 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 - Dermatology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 172 |
|---|---|
| Services billed | 1,024 across 33 procedure codes |
| Paid by Medicare | $63,354 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,209 · 1,444 30-day fills |
|---|---|
| Patients | 352 |
| Total drug cost | $461,221 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Dermatology |
Medical group
- Dawm, PLCGrand Rapids, MI · 18 clinicians
Hospital affiliation
- Spectrum HealthGrand Rapids, MI
Industry payments (Open Payments)
- 2025$1,192 · 63 payments from 13 companies
- 2024$1,685 · 80 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $258.64 | 12 |
| Arcutis Biotherapeutics, Inc. | $188.94 | 12 |
| Genzyme Corporation | $163.50 | 8 |
| Pfizer Inc. | $138.00 | 10 |
| Novartis Pharmaceuticals Corporation | $98.58 | 5 |
What the 2025 payments were for
- Food and Beverage$1,192 · 63 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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