Marcus Stammen, DO
NPI 1861070203ActiveIndividual· Dermatology· Sycamore, IL
Dermatology (DO) in Sycamore, Illinois, trained at Midwestern University, Chicago College of Osteopathic Med (class of 2021). Part D covered 158 prescriptions written in 2024, 87% of them generic. Janssen Biotech, Inc. reported $33.37 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1861070203 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Mar 29, 2021 |
| Last updated in NPPES | Aug 4, 2025 |
| Certified by provider | Aug 4, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 036176359 | IL |
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 - Dermatology (IL) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 158 · 205 30-day fills |
|---|---|
| Patients | 65 |
| Total drug cost | $41,832 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Midwestern University, Chicago College of Osteopathic Med |
|---|---|
| Graduation year | 2021 |
| Medicare specialty | Dermatology |
Medical group
- Central Dupage Physician GroupGeneva, IL · 1,080 clinicians
Hospital affiliations
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Northwestern Medicine Kishwaukee HospitalDekalb, IL
Industry payments (Open Payments)
- 2025$33.37 · 2 payments from 1 company
- 2024$16.48 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $33.37 | 2 |
What the 2025 payments were for
- Food and Beverage$33.37 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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