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

Cassandra Williams, PMHNP

Individual provider Registered Nurse · NPI 1851796957

Cassandra Williams, PMHNP is a Nurse Practitioner in Mount Vernon, New York. Qualified in 2022, 4 years ago. Practices with Family Intervention Center, Inc, a 4-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in New York.

Years since qualifying
4
Licensed in
NY
In the registry since
2014
Specialties on file
2
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

625 Gramatan Ave Apt 5L
Mount Vernon, NY 10552-1817
Phone: (347) 264-7101
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 813 Astoria Blvd, Astoria, NY 11102-4028 — (929) 238-3092

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 404549 (NY)
Registered Nurse Taxonomy 163W00000X · Licence 691006 (NY)

Record details

NPI number1851796957
Entity typeIndividual (Type 1)
GenderFemale
Credentials PMHNP
Sole proprietorYes
NPI enumeratedOctober 31, 2014
Last updated in NPPESNovember 21, 2022
Certification dateNovember 2, 2022

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Group practice Family Intervention Center, Inc — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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