Mark Belsky, MD
NPI 1548284474ActiveIndividual· Family Medicine· Hartford, CT
Family Medicine (MD) in Hartford, Connecticut, trained at State University of Ny Upstate Medical University (class of 1978). Their prescriptions cost Medicare Part D more than their services did: $1,050,186 for 9,041 claims, against $41,708 paid for services in 2024. Pfizer Inc. was the largest of 25 companies reporting payments in 2025, $1,587 in all, mostly food and beverage.
Overview
| NPI | 1548284474 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 26, 2006 |
| Last updated in NPPES | Jun 21, 2021 |
| Certified by provider | Jun 21, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 021775 | CT |
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 - Family Practice (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 82 |
|---|---|
| Services billed | 845 across 36 procedure codes |
| Paid by Medicare | $41,708 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,041 · 19,557 30-day fills |
|---|---|
| Patients | 453 |
| Total drug cost | $1,050,186 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | State University of Ny Upstate Medical University |
|---|---|
| Graduation year | 1978 |
| Medicare specialty | Family Practice |
Medical group
- Collins Medical Associates 2 PCHartford, CT · 43 clinicians
Hospital affiliation
- St Francis Hospital & Medical CenterHartford, CT
Other facilities
- Hartford Healthcare at HomeHome health agency · East Hartford, CT
- Mount Sinai Rehabilitation Hospital IncInpatient rehabilitation facility · Hartford, CT
Industry payments (Open Payments)
- 2025$1,587 · 73 payments from 25 companies
- 2024$1,676 · 83 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $224.48 | 15 |
| Novo Nordisk Inc | $186.36 | 9 |
| Exact Sciences Corporation | $184.30 | 7 |
| Astrazeneca Pharmaceuticals LP | $107.09 | 4 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $94.12 | 4 |
What the 2025 payments were for
- Food and Beverage$1,587 · 73 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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