Jeffrey C. Bass, MD
NPI 1952350969ActiveIndividual· Internal Medicine· Chestnut Hill, MA
Internal Medicine (MD) in Chestnut Hill, Massachusetts, trained at Perelman School of Med at the University of Pennsylvania (class of 1982). Their prescriptions cost Medicare Part D more than their services did: $771,761 for 5,438 claims, against $102,853 paid for services in 2024.
Overview
| NPI | 1952350969 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 8, 2006 |
| Last updated in NPPES | Jun 5, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 53774 | 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 - Internal Medicine (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 265 |
|---|---|
| Services billed | 1,417 across 18 procedure codes |
| Paid by Medicare | $102,853 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,438 · 12,400 30-day fills |
|---|---|
| Patients | 262 |
| Total drug cost | $771,761 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Perelman School of Med at the University of Pennsylvania |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Personalmds, LLCChestnut Hill, MA · 10 clinicians
Hospital affiliations
- Brigham and Women Faulkner HospitalJamaica Plain, MA
- Brigham and Women's HospitalBoston, MA
- Emerson Hospital -W Concord, MA
- Massachusetts General HospitalBoston, MA
- Newton-Wellesley HospitalNewton, MA
Other facilities
- Mass General Brigham Home Care, IncHome health agency · Newton, MA
- Good Shepherd Community CareHospice · Newton, MA
- Spaulding Rehabilitation HospitalInpatient rehabilitation facility · Charlestown, MA
- Spaulding Rehabilitation Hospital - Cape CodInpatient rehabilitation facility · East Sandwich, MA
- Hebrew Rehabilitation CenterLong-term care hospital · Boston, MA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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