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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

JOHN J MCGARRY PHD
NPI 1720060148
Psychologist - Clinical in Holbrook, NY

Active since November 20, 2005
233 UNION AVE, SUITE 207, HOLBROOK, NY 11741(631) 737-5744 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About John J Mcgarry Phd NPPES

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

JOHN J MCGARRY PHD (NPI 1720060148) is an individual clinical provider in Holbrook, New York, licensed in New York (007046) and active in the NPI registry since November 2005.

NPPES Registry Identity

NPI1720060148
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameJOHN J MCGARRYCredential: PHD
Location Address233 UNION AVE, SUITE 207Holbrook, NY 11741-1820
Mailing Address3 Winnie RdCenter Moriches, NY 11934-3721
Phone(631) 737-5744
Sole ProprietorNo
Enumeration DateNovember 20, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1720060148 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in NY · 007046
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
233 UNION AVE, Holbrook, NY 11741
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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.

MARYANN LAROSA,LCSW/R
Point of Service
233 UNION AVE, SUITE 202
HOLBROOK, NY 11741
Suffolk County (631) 737-2727
MAIORINO PHARMACY & SURGICAL INC
Pharmacy (Community/Retail Pharmacy)
233 UNION AVE
HOLBROOK, NY 11741
Suffolk County (631) 585-7092
DR. PAUL M VASSA D.C.
Chiropractor
233 UNION AVE, STE 102
HOLBROOK, NY 11741
Suffolk County (631) 664-6841
HOLBROOK CHIROPRACTIC PC
Chiropractor
233 UNION AVE, SUITE 102
HOLBROOK, NY 11741
Suffolk County (631) 981-2222
DR. GEOFFREY WEISMAN M.D., PLLC
Ophthalmology
233 UNION AVE, SUITE 103
HOLBROOK, NY 11741
Suffolk County (631) 585-7771
DR. DOUGLAS M GLASSMAN DC
Chiropractor
233 UNION AVE, SUITE 102
HOLBROOK, NY 11741
Suffolk County (631) 981-2222
MELISSA M GALLAGHER NP
Nurse Practitioner (Family)
233 UNION AVE
HOLBROOK, NY 11741
Suffolk County (212) 803-3339
MS. MARYANN LA ROSA LCSW-R
Social Worker (Clinical)
233 UNION AVE, SUITE 202
HOLBROOK, NY 11741
Suffolk County (631) 737-2727

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 John Mcgarry's NPI number?

The NPI number for John Mcgarry is 1720060148. It was assigned to this individual provider in the NPPES registry on November 20, 2005.

Where is John Mcgarry located?

John Mcgarry practices at 233 Union Ave Suite 207, Holbrook, NY 11741. The listed phone number is (631) 737-5744.

What is John Mcgarry's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for John Mcgarry was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.