Jason A. Efstathiou, MD
NPI 1598967523ActiveIndividual· Radiology, Radiation Oncology· Boston, MA
Radiology, Radiation Oncology (MD) in Boston, Massachusetts, trained at Harvard Medical School (class of 2003). Mostly services rather than prescriptions: Medicare paid $221,645 for 440 patients in 2024, with only 33 Part D claims. Bioprotect Medical, Inc. was the largest of 6 companies reporting payments in 2025, $26,408 in all, mostly consulting fees.
Overview
| NPI | 1598967523 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 1, 2007 |
| Last updated in NPPES | Feb 6, 2026 |
| Certified by provider | Feb 6, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | 235571 | 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 - Radiation Oncology (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 440 |
|---|---|
| Services billed | 2,826 across 24 procedure codes |
| Paid by Medicare | $221,645 |
Part D prescriptions in 2024
| Prescriptions (claims) | 33 · 71 30-day fills |
|---|---|
| Patients | 22 |
| Total drug cost | $1,127 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | Harvard Medical School |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Radiation Oncology |
| Telehealth | Offers telehealth |
Medical groups
- Massachusetts General Physicians Organization IncBoston, MA · 3,558 clinicians
- The General Hospital CorporationBoston, MA · 1,267 clinicians
Hospital affiliations
- Brigham and Women's HospitalBoston, MA
- Massachusetts Eye and Ear Infirmary -Boston, MA
- Massachusetts General HospitalBoston, MA
- Newton-Wellesley HospitalNewton, MA
- North Shore Medical Center -Salem, MA
Industry payments (Open Payments)
- 2025$26,408 · 20 payments from 6 companies
- 2024$5,933 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bioprotect Medical, Inc. | $13,747 | 8 |
| Blue Earth Diagnostics | $5,246 | 2 |
| Boston Scientific Corporation | $5,115 | 7 |
| Janssen Biotech, Inc. | $2,115 | 1 |
| Pfizer Inc. | $112.75 | 1 |
What the 2025 payments were for
- Consulting Fee$23,615 · 9 payments
- Travel and Lodging$1,749 · 3 payments
- Food and Beverage$1,044 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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