William Griffiths III, PA-C
NPI 1841977683ActiveIndividual· Physician Assistant, Medical· Brighton, MA
Physician Assistant, Medical (PA-C) with Emerson Practice Associates, Inc and 2 other groups, practicing in Brighton, Massachusetts. Part D covered 100 prescriptions written in 2024, 87% of them generic. Madrigal Pharmaceuticals was the largest of 6 companies reporting payments in 2025, $410.22 in all, mostly food and beverage. Lists Emerson Hospital - and 1 other hospital as hospital affiliations.
Overview
| NPI | 1841977683 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jul 3, 2023 |
| Last updated in NPPES | Apr 10, 2026 |
| Certified by provider | Apr 10, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | — | — |
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) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 100 · 182 30-day fills |
|---|---|
| Patients | 28 |
| Total drug cost | $11,694 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical groups
- Emerson Practice Associates, IncConcord, MA · 240 clinicians
- Charles River Community Health, IncWaltham, MA · 35 clinicians
- Mill City Medical Group LtdLowell, MA · 20 clinicians
Hospital affiliations
- Emerson Hospital -W Concord, MA
- Lowell General HospitalLowell, MA
Industry payments (Open Payments)
- 2025$410.22 · 13 payments from 6 companies
- 2024$28.96 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $151.85 | 3 |
| Takeda Pharmaceuticals U.S.A., Inc. | $122.76 | 4 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $49.18 | 2 |
| Janssen Biotech, Inc. | $46.23 | 2 |
| Aimmune Therapeutics, Inc. | $20.67 | 1 |
What the 2025 payments were for
- Food and Beverage$410.22 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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