Keith Williams, PMHNP
Psychiatric/Mental Health Nurse Practitioner · Elmira, NY
Keith Williams, PMHNP is a psychiatric/mental health nurse practitioner with a practice address in Elmira, New York, and NPI 1649701533, issued on Mar 23, 2017. Check the license with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Keith Williams
- Credential
- PMHNP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- Practice location
- 200 Madison Ave Ste 2B, Elmira, NY 14901
- Phone
- (607) 732-1310
- Enumerated
- Mar 23, 2017
- Entity
- Type 1 · individual
Also registered at 200 Madison Ave Ste 2B
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Khizran Agha, MDStudent in an Organized Health Care Education/Training Program1053107482
- Lewis Cabibi, DOFamily Medicine Physician1073968756
- William Clack, MDDermatology Physician1053490805
- Donald Foster, D.O.Addiction Medicine (Preventive Medicine) Physician1679960066
- Britnee Monticello, DOStudent in an Organized Health Care Education/Training Program1568105708
Verify Keith Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
98% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
21 Medicare Part D claims, against an average of 895 among the 22,437 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $148.28
2 payments, mostly food and beverage; the largest payer was Iti, Inc. (d/b/a Intra-Cellular Therapies, Inc.). The 17,205 providers of this specialty with any payment received $975.26 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital or facility affiliation
- Arnot Ogden Medical CenterElmira, NY · Acute Care Hospitals2 of 5 stars
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
14 psychiatric/mental health nurse practitioner records list a Elmira practice address
They are 14 of the 1,746 NPPES records with a Elmira practice address, and 3,102 psychiatric/mental health nurse practitioner records in New York.
All 14 in Elmira → All 3,102 in New York → Every provider in Elmira →
Other psychiatric/mental health nurse practitioner records in New York
- Lori Aavik, DNPNew York, NY1770398802
- Jeanne Abatemarco, N.P.P., M.S., R,NNew York, NY1043754989
- Arias Abbruzzi Davis, DNP-BCNew York, NY1073294377
- Bernadette Abeel, NURSE PRACTITIONERAlbany, NY1710657986
- Robert Abel, NURSE PRACTITIONERNew York, NY1215184445
- Ese Abohwo, NPYonkers, NY1265778252
- Joann AbramsNew York, NY1861418998
- Jordan Abrams, PMHNPNew York, NY1952651465
- Natalie AbrishamianRoslyn Heights, NY1811304322
- Guney AcipayamliIthaca, NY1922990522
Common questions
What is Keith Williams, PMHNP's NPI number?
Keith Williams, PMHNP's National Provider Identifier (NPI) is 1649701533, issued on Mar 23, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Keith Williams, PMHNP located?
The NPPES record lists a practice address at 200 Madison Ave Ste 2B, Elmira, NY, 14901. Phone: (607) 732-1310. Providers update this record themselves, so call before visiting.
How can I verify Keith Williams, PMHNP's license?
Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Keith Williams, PMHNP prescribe under Medicare Part D?
In 2024, Keith Williams, PMHNP had 21 Medicare Part D claims; the average among psychiatric/mental health nurse practitioner prescribers was 895. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.