Stefanie Koelewyn, PA-C
NPI 1811617897ActiveIndividual· Physician Assistant· Bellingham, MA
Physician Assistant (PA-C) with Mass General Brigham Medical Group Suburban Massachusetts Inc, practicing in Bellingham, Massachusetts. In 2024 Medicare paid $19,417 for 156 patients, and Part D covered 209 of their prescriptions, 87% of them generic. Lists Brigham and Women's Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1811617897 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Aug 31, 2022 |
| Last updated in NPPES | Nov 16, 2023 |
| Certified by provider | Nov 16, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA9081 | 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 | 156 |
|---|---|
| Services billed | 299 across 38 procedure codes |
| Paid by Medicare | $19,417 |
Part D prescriptions in 2024
| Prescriptions (claims) | 209 · 209 30-day fills |
|---|---|
| Patients | 150 |
| Total drug cost | $2,189 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Mass General Brigham Medical Group Suburban Massachusetts IncPembroke, MA · 602 clinicians
Hospital affiliations
- Brigham and Women's HospitalBoston, MA
- Newton-Wellesley HospitalNewton, 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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