Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 30 days.

AUTHENTICITY PSYCHOTHERAPY LCSW PLLC
NPI 1063338499
Clinic/Center - Adult Mental Health in New York, NY

Active since June 29, 2026
220 5TH AVE FL 11, NEW YORK, NY 10001(646) 801-6934 Get Directions Write a Review

NPPES record added: June 29, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Authenticity Psychotherapy Lcsw Pllc NPPES

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

AUTHENTICITY PSYCHOTHERAPY LCSW PLLC (NPI 1063338499) is a healthcare organization registered as an adult mental health in New York, New York and active in the NPI registry since June 2026. The organization lists Ariane Ernst, Owner/psychotherapist, as its authorized official.

NPPES Registry Identity

NPI1063338499
Entity TypeOrganization
Primary Taxonomy261QM0850X
Legal Business NameAUTHENTICITY PSYCHOTHERAPY LCSW PLLC
Location Address220 5TH AVE FL 11New York, NY 10001-8017
Mailing Address1775 York Ave Apt 34eNew York, NY 10128-6922 · (646) 801-6934
Organization SubpartNo
Authorized OfficialAriane ErnstOwner/psychotherapist · (646) 801-6934
Enumeration DateJune 29, 2026
NPPES CertifiedJune 29, 2026
NPI 1063338499 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyClinic/Center · Adult Mental HealthAmbulatory Health Care Facilities
Taxonomy Code261QM0850X
Definition

An entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to mental and behavioral disorders in adults.

220 5TH AVE FL 11, New York, NY 10001

Other Providers at the Same Location NPPES 20

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

Social Worker
220 5TH AVE FL 11
NEW YORK, NY 10001
Social Worker (Clinical)
220 5TH AVE FL 11
NEW YORK, NY 10001
Social Worker (Clinical)
220 5TH AVE FL 11
NEW YORK, NY 10001
Social Worker (Clinical)
220 5TH AVE FL 11
NEW YORK, NY 10001
Psychiatry & Neurology (Psychiatry)
220 5TH AVE FL 11
NEW YORK, NY 10001
Dietitian, Registered
220 5TH AVE FL 11
NEW YORK, NY 10001
Dietitian, Registered
220 5TH AVE FL 11
NEW YORK, NY 10001
Psychiatry & Neurology (Psychiatry)
220 5TH AVE FL 11
NEW YORK, NY 10001

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 Authenticity Psychotherapy Lcsw PLLC's NPI number?

The NPI number for Authenticity Psychotherapy Lcsw PLLC is 1063338499. It was assigned to this organization in the NPPES registry on June 29, 2026.

Where is Authenticity Psychotherapy Lcsw PLLC located?

Authenticity Psychotherapy Lcsw PLLC is located at 220 5th Ave Fl 11, New York, NY 10001. The listed phone number is (646) 801-6934.

What is Authenticity Psychotherapy Lcsw PLLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Adult Mental Health, with taxonomy code 261QM0850X.

When was this NPI record last updated?

The NPPES record for Authenticity Psychotherapy Lcsw PLLC was last updated on June 29, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.