Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Keith C Williams, PMHNP

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1649701533

Keith C Williams, PMHNP is a Nurse Practitioner in Elmira, New York. Qualified in 2024, 2 years ago. Practices with Arnot Ogden Medical Center, a 217-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
2
Licensed in
NY
In the registry since
2017
What do these letters mean?
PMHNP — Psychiatric-Mental Health Nurse Practitioner
A nurse practitioner specialising in mental health, able to prescribe psychiatric medication.

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Practice location Address checks out

200 Madison Ave Ste 2B
Elmira, NY 14901-3219
Phone: (607) 732-1310
Fax: (607) 733-0940
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 405911 (NY)

Record details

NPI number1649701533
Entity typeIndividual (Type 1)
GenderMale
Credentials PMHNP
Sole proprietorNo
NPI enumeratedMarch 23, 2017
Last updated in NPPESSeptember 11, 2024
Certification dateSeptember 11, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2024 (2 years in practice)
Group practice Arnot Ogden Medical Center — 217 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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