Kristen Marie McWilliams, PA-C
NPI 1700039971ActiveIndividual· Physician Assistant· Lowell, MA
Physician Assistant (PA-C) in Lowell, Massachusetts, licensed in MA, with an NPI issued in October 2008. 100 Medicare patients in 2024, $9,736 paid; nearly all of their 80 Part D prescriptions were generic (94%).
Overview
| NPI | 1700039971 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | Yes |
| NPI issued | Oct 31, 2008 |
| Last updated in NPPES | Jan 29, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | AP2641 | 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 | 100 |
|---|---|
| Services billed | 119 across 12 procedure codes |
| Paid by Medicare | $9,736 |
Part D prescriptions in 2024
| Prescriptions (claims) | 80 · 80 30-day fills |
|---|---|
| Patients | 58 |
| Total drug cost | $906.10 |
| Generic share | 94% of claims |
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 40 physician assistants in Lowell · All physician assistants in Massachusetts