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DIANA VAN VLEET
NPI 1952255143
Counselor - Addiction (Substance Use Disorder) in Farmingville, NY

Active since February 24, 2026
100 GRANNY RD STE 1, FARMINGVILLE, NY 11738(631) 696-4357 Get Directions Write a Review

NPPES record last updated: February 24, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Diana Van Vleet NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DIANA VAN VLEET (NPI 1952255143) is an individual addiction (substance use disorder) provider in Farmingville, New York and active in the NPI registry since February 2026.

NPPES Registry Identity

NPI1952255143
Entity TypeIndividual
Primary Taxonomy101YA0400X
Provider Legal NameDIANA VAN VLEET
Location Address100 GRANNY RD STE 1Farmingville, NY 11738-2879
Mailing Address1377 Motor Pkwy Ste 102Islandia, NY 11749-5249
Phone(631) 696-4357
Sole ProprietorNo
Enumeration DateFebruary 24, 2026
NPPES CertifiedFebruary 24, 2026
✔ NPI 1952255143 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
100 GRANNY RD STE 1, Farmingville, NY 11738
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Other Providers at the Same Location NPPES 19

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JOAN WHITE PA
Physician Assistant
100 GRANNY RD STE 1
FARMINGVILLE, NY 11738
Suffolk County (631) 696-4357
EILEEN ABRAMOWITZ FNP
Nurse Practitioner (Family)
100 GRANNY RD STE 1
FARMINGVILLE, NY 11738
Suffolk County (631) 696-4357
MRS. ERIN COLLEEN DIETZEL REGISTERED NURSE
Registered Nurse (Addiction (Substance Use Disorder))
100 GRANNY RD STE 1
FARMINGVILLE, NY 11738
Suffolk County (631) 666-1234
JESSICA MARIE MAGIONCALDA PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
100 GRANNY RD STE 1
FARMINGVILLE, NY 11738
Suffolk County (631) 696-4957
LOVELIE LEWIS LMSW
Social Worker
100 GRANNY RD STE 1
FARMINGVILLE, NY 11738
Suffolk County (631) 696-4357
PATRICIA BAKER
Social Worker
100 GRANNY RD STE 1
FARMINGVILLE, NY 11738
Suffolk County (631) 696-4357
ISIAH HINSON
Counselor (Addiction (Substance Use Disorder))
100 GRANNY RD STE 1
FARMINGVILLE, NY 11738
Suffolk County (631) 696-4357
MEGHAN MONTGOMERY
Counselor (Addiction (Substance Use Disorder))
100 GRANNY RD STE 1
FARMINGVILLE, NY 11738
Suffolk County (631) 696-4357

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Diana Van Vleet's NPI number?

The NPI number for Diana Van Vleet is 1952255143. It was assigned to this individual provider in the NPPES registry on February 24, 2026.

Where is Diana Van Vleet located?

Diana Van Vleet practices at 100 Granny Rd Ste 1, Farmingville, NY 11738. The listed phone number is (631) 696-4357.

What is Diana Van Vleet's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Diana Van Vleet was last updated on February 24, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.