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MS. GWENDOLEN DIANA LEIBLE ARNZEN L-M.H.C.
NPI 1073792537
Counselor - Mental Health in Southampton, NY

Active since October 31, 2007
46 MAIN ST, SOUTHAMPTON, NY 11968(631) 786-2566 Get Directions Write a Review

NPPES record last updated: October 31, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Ms. Gwendolen Diana Leible Arnzen L-m.h.c. NPPES

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

MS. GWENDOLEN DIANA LEIBLE ARNZEN L-M.H.C. (NPI 1073792537) is an individual mental health provider in Southampton, New York, licensed in New York (001375) and active in the NPI registry since October 2007.

NPPES Registry Identity

NPI1073792537
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameMS. GWENDOLEN DIANA LEIBLE ARNZENCredential: L-M.H.C.
Location Address46 MAIN STSouthampton, NY 11968-4864
Mailing Address46 Main StSouthampton, NY 11968-4864 · (631) 786-2566
Phone(631) 786-2566
Sole ProprietorYes
Enumeration DateOctober 31, 2007
✔ NPI 1073792537 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in NY · 001375
46 MAIN ST, Southampton, NY 11968
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Other Providers at the Same Location NPPES 6

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

SAMANTHA HIOTAKIS LLC
Psychologist
46 MAIN ST
SOUTHAMPTON, NY 11968
Suffolk County (631) 255-7715
CINDY ROSETO LCSW
Social Worker (Clinical)
46 MAIN ST, 2ND FLOOR
SOUTHAMPTON, NY 11968
Suffolk County (415) 299-0040
LOGAN ANNE KINGSTON LMSW
Social Worker
46 MAIN ST
SOUTHAMPTON, NY 11968
Suffolk County (631) 255-4453
LEA ELIZABETH DEFRANCISCI MD
Psychiatry & Neurology (Child & Adolescent Psychiatry)
46 MAIN ST
SOUTHAMPTON, NY 11968
Suffolk County (631) 204-6984
MR. DAMIAN DUDA LMFT
Marriage & Family Therapist
46 MAIN ST
SOUTHAMPTON, NY 11968
Suffolk County (631) 914-0792
MR. OLIVIER BROS
Physical Therapist
46 MAIN ST
SOUTHAMPTON, NY 11968
Suffolk County (212) 889-3889

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 Gwendolen Leible Arnzen's NPI number?

The NPI number for Gwendolen Leible Arnzen is 1073792537. It was assigned to this individual provider in the NPPES registry on October 31, 2007.

Where is Gwendolen Leible Arnzen located?

Gwendolen Leible Arnzen practices at 46 Main St, Southampton, NY 11968. The listed phone number is (631) 786-2566.

What is Gwendolen Leible Arnzen's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Gwendolen Leible Arnzen was last updated on October 31, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.