Independent US Healthcare Provider Directory & Public Medical Database Patient Guides
Medical Specialty Listing

Psychologist - Clinicals in Holbrook, NY

Browse 5 Psychologist - Clinical providers listed in NPPES with a practice address in Holbrook, New York.

5 Healthcare Providers

How Holbrook compares with the U.S.

5 active clinicians in Psychologist - Clinical list a practice address in Holbrook, NY in the NPI registry.

With fewer than 10 clinicians, rates per 100,000 residents are not reliable enough to compare.

Too few clinicians in Psychologist - Clinical in Holbrook are listed in the CMS Medicare file to report Medicare assignment or telehealth shares.

These figures summarize public federal data. They do not measure quality of care, appointment availability, or whether a clinician accepts your insurance or new patients. Registry addresses can be out of date. Please confirm details directly with the office and your plan. This information is not medical advice.

Prepared by T-MedInfo from NPPES, CMS and U.S. Census Bureau data. Questions or corrections: support@true-medinfo.com ยท Methodology

Sources: Clinician counts and practice addresses: NPPES NPI Registry, Centers for Medicare & Medicaid Services (CMS), data as of August 2026.

Showing 1โ€“5 of 5 providers
With recent CMS data first, then Aโ€“Z

Dr. Alan Howard Levinson , PsyD

Psychologist - Clinical

Active NPI Status
368 Carnegie Blvd, Holbrook, NY 117413434
Phone: 6315803254
NPI Identifier 1013124874
View Full Profile

Joseph Perino

Psychologist - Clinical

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
233 Union Ave, Ste. 101, Holbrook, NY 117411820
Phone: 6316899424
NPI Identifier 1619907573
View Full Profile

Dr. John J Mcgarry , PhD

Psychologist - Clinical

Active NPI Status
233 Union Ave, Suite 207, Holbrook, NY 117411820
Phone: 6317375744
NPI Identifier 1720060148
View Full Profile

Dr. Robert Nachtman , PhD

Psychologist - Clinical

Active NPI Status
233 Union Ave Ste 101, Holbrook, NY 117411813
Phone: 6319797728
NPI Identifier 1144341652
View Full Profile

Dr. Donna K Thiele , PsyD

Psychologist - Clinical

Active NPI Status
321 Dante Ct Ste 30, Holbrook, NY 117413847
Phone: 6315422885
NPI Identifier 1477077691
View Full Profile

Frequently Asked Questions about Psychologist - Clinical in Holbrook

How do I check a Psychologist - Clinical practitioner's license?

Each practitioner profile shows the NUCC taxonomy code and any state license number the practitioner reported to NPPES, plus a link to the New York licensing board lookup. NPPES entries are self-reported; current license status is published only by the state board.

Why is a practitioner missing from this list?

This list shows NPI records that are active in NPPES. A deactivated NPI keeps its profile with the deactivation date and practice history; find it with the site search by name or NPI number.