Karen F. Peterson, PA-C
NPI 1861610610ActiveIndividual· Physician Assistant· Weymouth, MA
Physician Assistant (PA-C) in Weymouth, Massachusetts, trained at Duke University School of Medicine (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $432,380 for 4,352 claims, against $61,793 paid for services in 2024.
Overview
| NPI | 1861610610 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Apr 24, 2007 |
| Last updated in NPPES | Feb 2, 2024 |
| Certified by provider | Feb 2, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 290 | 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 - Physician Assistant (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 239 |
|---|---|
| Services billed | 1,712 across 76 procedure codes |
| Paid by Medicare | $61,793 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,352 · 9,349 30-day fills |
|---|---|
| Patients | 420 |
| Total drug cost | $432,380 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Duke University School of Medicine |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Physician Assistant |
Medical group
- South Shore Medical Center, Inc.Norwell, MA · 175 clinicians
Hospital affiliations
- Beth Israel Deaconess Hospital - MiltonMilton, MA
- South Shore HospitalSouth Weymouth, MA
Other facilities
- Croi HealthHome health agency · Norwell, MA
- South Shore Visiting Nurse AssociationHome health agency · Rockland, MA
- Spaulding Rehabilitation HospitalInpatient rehabilitation facility · Charlestown, 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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All 49 physician assistants in Weymouth · All physician assistants in Massachusetts