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

ALEXA KLEIN, LCSW, P.C.
NPI 1992623037
Clinic/Center - Mental Health (Including Community Mental Health Center) in Lindenhurst, NY

Active since July 07, 2026
390 S GREENE AVE, LINDENHURST, NY 11757(631) 268-4041 Get Directions Write a Review

NPPES record added: July 7, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Alexa Klein, Lcsw, P.c. NPPES

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

ALEXA KLEIN, LCSW, P.C. (NPI 1992623037), doing business as Breathe And Be Therapy, is a healthcare organization registered as a mental health (including community mental health center) in Lindenhurst, New York and active in the NPI registry since July 2026. The organization lists Alexa Brynn Klein, Owner/president/practice Administra, as its authorized official.

NPPES Registry Identity

NPI1992623037
Entity TypeOrganization
Primary Taxonomy261QM0801X
Legal Business NameALEXA KLEIN, LCSW, P.C.
Location Address390 S GREENE AVELindenhurst, NY 11757-5430
Mailing Address390 S Greene AveLindenhurst, NY 11757-5430 · (631) 268-4041
Organization SubpartNo
Authorized OfficialAlexa Brynn KleinOwner/president/practice Administra · (631) 268-4041
Enumeration DateJuly 7, 2026
NPPES CertifiedJuly 7, 2026
NPI 1992623037 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyClinic/Center · Mental Health (Including Community Mental Health Center)Ambulatory Health Care Facilities
Taxonomy Code261QM0801X
390 S GREENE AVE, Lindenhurst, NY 11757

Other Names 1

Doing Business AsBreathe And Be Therapy

Other Providers at the Same Location NPPES

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

Social Worker (Clinical)
390 S GREENE AVE
LINDENHURST, NY 11757

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 Alexa Klein, Lcsw, P.C.'s NPI number?

The NPI number for Alexa Klein, Lcsw, P.C. is 1992623037. It was assigned to this organization in the NPPES registry on July 7, 2026. The provider is doing business as Breathe and Be Therapy.

Where is Alexa Klein, Lcsw, P.C. located?

Alexa Klein, Lcsw, P.C. is located at 390 S Greene Ave, Lindenhurst, NY 11757. The listed phone number is (631) 268-4041.

What is Alexa Klein, Lcsw, P.C.'s specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Mental Health (Including Community Mental Health Center), with taxonomy code 261QM0801X.

When was this NPI record last updated?

The NPPES record for Alexa Klein, Lcsw, P.C. was last updated on July 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 days 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.