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DR. GASTON WEISZ PSY.D.
NPI 1225196892
Psychologist - Cognitive & Behavioral in New York, NY

Active since December 05, 2006
620 8TH AVE, NEW YORK, NY 10018(516) 822-0955 Get Directions Write a Review

NPPES record last updated: January 26, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jan 26, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Dr. Gaston Weisz Psy.d. NPPES

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

DR. GASTON WEISZ PSY.D. (NPI 1225196892) is an individual cognitive & behavioral provider in New York, New York, licensed in New York (011167) and active in the NPI registry since December 2006. He maintains a secondary practice location in Plainview.

NPPES Registry Identity

NPI1225196892
Entity TypeIndividualMale
Primary Taxonomy103TB0200X
Provider Legal NameDR. GASTON WEISZCredential: PSY.D.
Location Address620 8TH AVENew York, NY 10018-1618
Mailing Address65 Marilyn BlvdPlainview, NY 11803-1943 · (516) 822-0955 · Fax (516) 872-8664
Phone(516) 822-0955
Sole ProprietorYes
Enumeration DateDecember 5, 2006
Last NPPES UpdateJanuary 26, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 26, 2026
✔ NPI 1225196892 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPsychologist · Cognitive & BehavioralBehavioral Health & Social Service Providers
Taxonomy Code103TB0200X
License✔ Licensed in NY · 011167
Definition

A psychologist who reflects an experimental-clinical approach distinguished by use of principles of human learning and development and theories of cognitive processing to promote meaningful change in maladaptive human behavior and thinking.

Also ListedPsychologistTaxonomy 103T00000X · License 011167 (NY)
Also ListedPsychologist · Clinical Child & AdolescentTaxonomy 103TC2200X · License 011167 (NY)
620 8TH AVE, New York, NY 10018
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Secondary Practice Location 1

Location 165 Marilyn BlvdPlainview, NY 11803-1943 · Phone (516) 822-0955 · Fax (516) 872-8664

Other Providers at the Same Location NPPES 8

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

ROSALIA DUARTE LCSW
Social Worker (Clinical)
620 8TH AVE
NEW YORK, NY 10018
New York County (646) 941-7645
OMAR RAMIREZ LCSW
Social Worker (Clinical)
620 8TH AVE
NEW YORK, NY 10018
New York County (646) 941-7645
SAMANTHA FITZGERALD
Counselor (Mental Health)
620 8TH AVE
NEW YORK, NY 10018
New York County (646) 941-7645
KERRY MAE CALLENDER
Nurse Practitioner (Psychiatric/Mental Health)
620 8TH AVE
NEW YORK, NY 10018
New York County (646) 941-7645
JENNIFER IRIS COHN
Counselor (Mental Health)
620 8TH AVE
NEW YORK, NY 10018
New York County (646) 941-7645
MRS. ELIZABETH CAROLE OU LCSW
Social Worker (Clinical)
620 8TH AVE
NEW YORK, NY 10018
New York County (646) 941-7645
TESHONNE POWELL
Drama Therapist
620 8TH AVE
NEW YORK, NY 10018
New York County (646) 941-7645
EMILY ELIZABETH DORMAN LCSW
Social Worker (Clinical)
620 8TH AVE
NEW YORK, NY 10018
New York County (646) 941-7645

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 Gaston Weisz's NPI number?

The NPI number for Gaston Weisz is 1225196892. It was assigned to this individual provider in the NPPES registry on December 5, 2006.

Where is Gaston Weisz located?

Gaston Weisz practices at 620 8th Ave, New York, NY 10018. The listed phone number is (516) 822-0955.

What is Gaston Weisz's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Cognitive & Behavioral, with taxonomy code 103TB0200X.

When was this NPI record last updated?

The NPPES record for Gaston Weisz was last updated on January 26, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.