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

Mr. Matthew G Killian, PMHNP

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1275204778

Mr. Matthew G Killian, PMHNP is a Psychiatric/Mental Health Nurse Practitioner in Melville, New York. Licensed in New York. Registered with an NPI since 2021.

Licensed in
NY
In the registry since
2021
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 Broadhollow Rd Ste 119
Melville, NY 11747-4846
Phone: (516) 588-7512
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 403593 (NY)

Record details

NPI number1275204778
Entity typeIndividual (Type 1)
GenderMale
Credentials PMHNP
Sole proprietorNo
NPI enumeratedSeptember 23, 2021
Last updated in NPPESSeptember 23, 2021
Certification dateAugust 18, 2021

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