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

John Mroz Psychiatric Nurse Practitioner PLLC

Organization Psychiatric/Mental Health Nurse Practitioner · NPI 1578334660

John Mroz Psychiatric Nurse Practitioner PLLC is a Psychiatric/Mental Health Nurse Practitioner in East Islip, New York. Registered with an NPI since 2024.

In the registry since
2024
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

107 W Main St
East Islip, NY 11730-2337
Phone: (631) 666-1615
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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

Record details

NPI number1578334660
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official John Mroz — Pmhnp · (631) 666-1615
NPI enumeratedJanuary 9, 2024
Last updated in NPPESJanuary 9, 2024
Certification dateJanuary 9, 2024
Mailing addressPo Box 1672, Commack, NY 11725-0959

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