Richard Matthew Williams, APRN, PMHNP-BC
NPI 1427634229ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Manchester, NH
Nurse Practitioner, Psych/Mental Health (APRN, PMHNP-BC) with The Mental Health Center of Greater Manchester, practicing in Manchester, New Hampshire. Their prescriptions cost Medicare Part D more than their services did: $782,119 for 6,444 claims, against $29,338 paid for services in 2024. Abbvie Inc. was the largest of 9 companies reporting payments in 2025, $1,923 in all, mostly food and beverage. Lists Catholic Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1427634229 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN, PMHNP-BC |
| Sole proprietor | No |
| NPI issued | Mar 22, 2021 |
| Last updated in NPPES | Mar 27, 2026 |
| Certified by provider | Mar 27, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | 067552-23 | NH |
| Registered Nurse, Critical Care Medicine | 163WC0200X | 067552-21 | NH |
| Registered Nurse, Psych/Mental Health | 163WP0808X | 067552-21 | NH |
| Nurse Practitioner, Psych/Mental Health | 363LP0808X | RN10039855 | 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 (NH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 166 |
|---|---|
| Services billed | 530 across 9 procedure codes |
| Paid by Medicare | $29,338 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,444 · 7,592 30-day fills |
|---|---|
| Patients | 270 |
| Total drug cost | $782,119 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- The Mental Health Center of Greater ManchesterManchester, NH · 84 clinicians
Hospital affiliations
- Catholic Medical CenterManchester, NH
- Elliot HospitalManchester, NH
- Mary Hitchcock Memorial HospitalLebanon, NH
Industry payments (Open Payments)
- 2025$1,923 · 38 payments from 9 companies
- 2024$1,258 · 35 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $598.72 | 19 |
| E.R. Squibb & Sons, L.L.C. | $452.20 | 6 |
| Alkermes, Inc. | $219.89 | 2 |
| Axsome Therapeutics, Inc. | $183.85 | 2 |
| Janssen Pharmaceuticals, Inc | $161.50 | 2 |
What the 2025 payments were for
- Food and Beverage$1,823 · 37 payments
- Education$99.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 93 psychiatric nurse practitioners in Manchester · All psychiatric nurse practitioners in New Hampshire