Melissa Almeida Williams, CNP
NPI 1356934871ActiveIndividual· Nurse Practitioner, Family· Medfield, MA
Nurse Practitioner, Family (CNP) with Mass General Brigham Medical Group Northern Massachusetts Inc and 3 other groups, practicing in Medfield, Massachusetts. In 2024 Medicare paid $56,053 for 411 patients, and Part D covered 755 of their prescriptions, 88% of them generic. Tolmar, Inc. was the largest of 3 companies reporting payments in 2025, $63.45 in all, mostly food and beverage. Lists Brigham and Women's Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1356934871 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CNP |
| Sole proprietor | No |
| NPI issued | Feb 16, 2021 |
| Last updated in NPPES | Feb 13, 2026 |
| Certified by provider | Feb 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 2324739 | MA |
| Registered Nurse | 163W00000X | RN2324739 | 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 - Nurse Practitioner (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 411 |
|---|---|
| Services billed | 1,614 across 74 procedure codes |
| Paid by Medicare | $56,053 |
Part D prescriptions in 2024
| Prescriptions (claims) | 755 · 848 30-day fills |
|---|---|
| Patients | 419 |
| Total drug cost | $8,802 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical groups
- Mass General Brigham Medical Group Northern Massachusetts IncDanvers, MA · 827 clinicians
- Mass General Brigham Urgent Care LLCBrookline, MA · 102 clinicians
- Carecentral Urgent Care Medical Group PCBridgewater, MA · 24 clinicians
- Medfield Internal Medicine, PLLCMedfield, MA · 4 clinicians
Hospital affiliations
- Brigham and Women's HospitalBoston, MA
- Newton-Wellesley HospitalNewton, MA
Industry payments (Open Payments)
- 2025$63.45 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Tolmar, Inc. | $27.64 | 1 |
| Stryker Corporation | $20.06 | 1 |
| Novo Nordisk Inc | $15.75 | 1 |
What the 2025 payments were for
- Food and Beverage$63.45 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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