Heather Williams, P.A.-C
NPI 1386645687ActiveIndividual· Physician Assistant· Chestnut Hill, MA
Physician Assistant (P.A.-C) with Saint Vincent Physician Services Inc, practicing in Chestnut Hill, Massachusetts. 184 Medicare patients in 2024, $33,598 paid; nearly all of their 86 Part D prescriptions were generic (98%). Lists St Vincent Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1386645687 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | P.A.-C |
| Sole proprietor | No |
| NPI issued | Aug 9, 2005 |
| Last updated in NPPES | Jun 17, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 1824 | 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 | 184 |
|---|---|
| Services billed | 5,098 across 17 procedure codes |
| Paid by Medicare | $33,598 |
Part D prescriptions in 2024
| Prescriptions (claims) | 86 · 87 30-day fills |
|---|---|
| Patients | 61 |
| Total drug cost | $432.89 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Saint Vincent Physician Services IncWorcester, MA · 71 clinicians
Hospital affiliations
- St Vincent HospitalWorcester, MA
- Umass Memorial Health - Harrington HospitalSouthbridge, 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 26 physician assistants in Chestnut Hill · All physician assistants in Massachusetts