Benjamin R. Marks, M.D./PH.D.
NPI 1407086317ActiveIndividual· Dermatology· Glenview, IL
Dermatology (M.D./PH.D.) in Glenview, Illinois, trained at Yale University School of Medicine (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $1,445,775 for 1,887 claims, against $470,573 paid for services in 2024. Arcutis Biotherapeutics, Inc. was the largest of 8 companies reporting payments in 2025, $2,133 in all, mostly food and beverage.
Overview
| NPI | 1407086317 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D./PH.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 27, 2009 |
| Last updated in NPPES | Aug 5, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 125056025 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,461 |
|---|---|
| Services billed | 18,265 across 54 procedure codes |
| Paid by Medicare | $470,573 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,887 · 2,301 30-day fills |
|---|---|
| Patients | 724 |
| Total drug cost | $1,445,775 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Yale University School of Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Dermatology |
Medical group
- Northwestern Medical Faculty FoundationChicago, IL · 4,503 clinicians
Hospital affiliations
- Northwestern Lake Forest HospitalLake Forest, IL
- Northwestern Memorial HospitalChicago, IL
Industry payments (Open Payments)
- 2025$2,133 · 233 payments from 8 companies
- 2024$1,965 · 199 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Arcutis Biotherapeutics, Inc. | $723.61 | 86 |
| Janssen Biotech, Inc. | $536.01 | 66 |
| Novartis Pharmaceuticals Corporation | $272.25 | 25 |
| Regeneron Healthcare Solutions, Inc. | $238.02 | 15 |
| Lilly USA, LLC | $186.46 | 22 |
What the 2025 payments were for
- Food and Beverage$2,048 · 232 payments
- Education$85.47 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 16 dermatologists in Glenview · All dermatologists in Illinois