Sean Patrick Marker, MD
NPI 1104852011ActiveIndividual· Psychiatry & Neurology, Psychiatry· Dorchester Center, MA
Psychiatry & Neurology, Psychiatry (MD) in Dorchester Center, Massachusetts, trained at University of Pittsburgh School of Medicine (class of 1998). 50 Medicare patients in 2024, $14,819 paid; nearly all of their 273 Part D prescriptions were generic (99%). Neurocrine Biosciences, Inc. was the largest of 5 companies reporting payments in 2025, $285.27 in all, mostly food and beverage.
Overview
| NPI | 1104852011 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 23, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 214158 | MA |
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 - Psychiatry (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 50 |
|---|---|
| Services billed | 171 across 10 procedure codes |
| Paid by Medicare | $14,819 |
Part D prescriptions in 2024
| Prescriptions (claims) | 273 · 388 30-day fills |
|---|---|
| Patients | 65 |
| Total drug cost | $4,503 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | University of Pittsburgh School of Medicine |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Psychiatry |
| Telehealth | Offers telehealth |
Medical groups
- Dothouse Health Inc.Dorchester, MA · 52 clinicians
- Michael W. Marcus, M.D., P.C.Winchester, MA · 6 clinicians
Hospital affiliation
- Boston Medical CenterBoston, MA
Industry payments (Open Payments)
- 2025$285.27 · 12 payments from 5 companies
- 2024$135.10 · 7 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Neurocrine Biosciences, Inc. | $103.22 | 4 |
| Collegium Pharmaceutical, Inc. | $84.95 | 4 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $46.88 | 2 |
| Otsuka America Pharmaceutical, Inc. | $25.99 | 1 |
| Teva Pharmaceuticals USA, Inc. | $24.23 | 1 |
What the 2025 payments were for
- Food and Beverage$285.27 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other psychiatrists in Dorchester Center
- 1043317845
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- 1699708461
- 1902067424
- 1154378842