Keith C. Williams, PMHNP
NPI 1649701533ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Elmira, NY
Nurse Practitioner, Psych/Mental Health (PMHNP) with Arnot Ogden Medical Center, practicing in Elmira, New York. Part D covered 21 prescriptions written in 2024, 90% of them generic. Abbvie Inc. was the largest of 6 companies reporting payments in 2025, $449.19 in all, mostly food and beverage. Lists Arnot Ogden Medical Center as a hospital affiliation.
Overview
| NPI | 1649701533 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PMHNP |
| Sole proprietor | No |
| NPI issued | Mar 23, 2017 |
| Last updated in NPPES | Sep 11, 2024 |
| Certified by provider | Sep 11, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | 405911 | NY |
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 (NY) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 21 · 21 30-day fills |
|---|---|
| Total drug cost | $2,372 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2024 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Arnot Ogden Medical CenterHorseheads, NY · 216 clinicians
Hospital affiliation
- Arnot Ogden Medical CenterElmira, NY
Industry payments (Open Payments)
- 2025$449.19 · 18 payments from 6 companies
- 2024$148.28 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $320.66 | 12 |
| Astrazeneca Pharmaceuticals LP | $38.95 | 2 |
| Alkermes, Inc. | $29.39 | 1 |
| Janssen Pharmaceuticals, Inc | $23.76 | 1 |
| Neurocrine Biosciences, Inc. | $22.36 | 1 |
What the 2025 payments were for
- Food and Beverage$429.89 · 17 payments
- Education$19.30 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 27 psychiatric nurse practitioners in Elmira · All psychiatric nurse practitioners in New York