Robert Paul Hasserjian, MD
NPI 1285625574ActiveIndividual· Pathology, Hematology· Boston, MA
Pathology, Hematology (MD) in Boston, Massachusetts, trained at Harvard Medical School (class of 1990). Medicare paid $95,394 for services to 525 patients in 2024. Incyte Corporation reported $29.96 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1285625574 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 4, 2005 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Hematology Primary | 207ZH0000X | 80560 | MA |
| Pathology, Anatomic Pathology | 207ZP0101X | 80560 | 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 - Pathology (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 525 |
|---|---|
| Services billed | 3,508 across 25 procedure codes |
| Paid by Medicare | $95,394 |
Education and affiliations
| Medical school | Harvard Medical School |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Pathology |
Medical groups
- Massachusetts General Physicians Organization IncBoston, MA · 3,558 clinicians
- Brigham and Womens Physicians Organization IncBoston, MA · 2,994 clinicians
Hospital affiliations
- Brigham and Women's HospitalBoston, MA
- Cooley Dickinson Hospital Inc,theNorthampton, MA
- Massachusetts Eye and Ear Infirmary -Boston, MA
- Massachusetts General HospitalBoston, MA
Industry payments (Open Payments)
- 2025$29.96 · 1 payment from 1 company
- 2024$9,434 · 7 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Incyte Corporation | $29.96 | 1 |
What the 2025 payments were for
- Food and Beverage$29.96 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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