Rachel Occhiogrosso Abelman, MD
NPI 1255821617ActiveIndividual· Internal Medicine, Hematology & Oncology· Boston, MA
Internal Medicine, Hematology & Oncology (MD) in Boston, Massachusetts, trained at Warren Alpert Medical School of Brown University (class of 2018). Their prescriptions cost Medicare Part D more than their services did: $592,858 for 136 claims, against $13,165 paid for services in 2024. Pfizer Inc. was the largest of 3 companies reporting payments in 2024, $179.02 in all, mostly education.
Overview
| NPI | 1255821617 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 11, 2018 |
| Last updated in NPPES | Jan 29, 2026 |
| Certified by provider | Jan 29, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 1017201 | MA |
| Internal Medicine, Medical Oncology | 207RX0202X | 1017201 | MA |
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 - Hematology/Oncology (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 66 |
|---|---|
| Services billed | 159 across 4 procedure codes |
| Paid by Medicare | $13,165 |
Part D prescriptions in 2024
| Prescriptions (claims) | 136 · 219 30-day fills |
|---|---|
| Patients | 45 |
| Total drug cost | $592,858 |
| Generic share | 75% of claims |
Education and affiliations
| Medical school | Warren Alpert Medical School of Brown University |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical groups
- Massachusetts General Physicians Organization IncBoston, MA · 3,558 clinicians
- Brigham and Womens Physicians Organization IncBoston, MA · 2,994 clinicians
- The General Hospital CorporationBoston, MA · 1,267 clinicians
Hospital affiliations
- Brigham and Women's HospitalBoston, MA
- Martha's Vineyard Hospital IncOak Bluffs, MA
- Massachusetts General HospitalBoston, MA
- Newton-Wellesley HospitalNewton, MA
- North Shore Medical Center -Salem, MA
Industry payments (Open Payments)
- 2024$179.02 · 4 payments from 3 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $99.99 | 1 |
| Novartis Pharmaceuticals Corporation | $47.87 | 1 |
| Gilead Sciences, Inc. | $31.16 | 2 |
What the 2024 payments were for
- Education$99.99 · 1 payment
- Food and Beverage$79.03 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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