Mark Joseph Siegel, M.D.
NPI 1437536463ActiveIndividual· Dermatology· Charleston, SC
Dermatology (M.D.) in Charleston, South Carolina, trained at Univ of Central Florida, College of Medicine (class of 2015). 297 Medicare patients in 2024, $87,139 paid; nearly all of their 322 Part D prescriptions were generic (95%). Arcutis Biotherapeutics, Inc. was the largest of 17 companies reporting payments in 2025, $87,359 in all, mostly consulting fees.
Overview
| NPI | 1437536463 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 28, 2015 |
| Last updated in NPPES | Aug 12, 2025 |
| Certified by provider | Aug 12, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 38050 | SC |
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 (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 297 |
|---|---|
| Services billed | 1,962 across 67 procedure codes |
| Paid by Medicare | $87,139 |
Part D prescriptions in 2024
| Prescriptions (claims) | 322 · 339 30-day fills |
|---|---|
| Patients | 138 |
| Total drug cost | $85,874 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | Univ of Central Florida, College of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Dermatology |
| Secondary specialties | Pediatric Medicine |
Medical groups
- University Medical Associates of the Medical University of South CarolCharleston, SC · 1,668 clinicians
- Mt Pleasant DermatologyMount Pleasant, SC · 7 clinicians
Hospital affiliation
- Musc Medical CenterCharleston, SC
Industry payments (Open Payments)
- 2025$87,359 · 161 payments from 17 companies
- 2024$25,070 · 119 payments from 25 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Arcutis Biotherapeutics, Inc. | $43,154 | 51 |
| Genzyme Corporation | $26,171 | 28 |
| Regeneron Healthcare Solutions, Inc. | $16,062 | 27 |
| Kowa Pharmaceuticals America, Inc. | $650.00 | 1 |
| Abbvie Inc. | $285.31 | 9 |
What the 2025 payments were for
- Consulting Fee$40,461 · 11 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$29,254 · 8 payments
- Travel and Lodging$12,229 · 30 payments
- Food and Beverage$5,415 · 112 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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