MRS. JULIANN M O'LEARY LMHC
NPI 1164857215
Counselor - Mental Health in Commack, NY

Q: What is Juliann O'leary's NPI number?

The NPI number for Juliann O'leary is 1164857215. It was assigned to this individual provider in the NPPES registry on September 9, 2013.

Q: What is Juliann O'leary's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Q: When was this NPI record last updated?

The NPPES record for Juliann O'leary was last updated on May 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.

Active since September 09, 2013

358 VETERANS MEMORIAL HWY STE 9, COMMACK, NY 11725(631) 888-5917 Get Directions Write a Review

NPPES record last updated: May 18, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 18, 2026, Jul 7, 2023, Jan 26, 2021 (3 updates tracked since 2021).

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About Mrs. Juliann M O'leary Lmhc NPPES

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

MRS. JULIANN M O'LEARY LMHC (NPI 1164857215) is an individual mental health provider in Commack, New York, licensed in New York (005527-1) and active in the NPI registry since September 2013.

NPPES Registry Identity

NPI1164857215

Entity TypeIndividualFemale

Primary Taxonomy101YM0800X

Provider Legal NameMRS. JULIANN M O'LEARYCredential: LMHC

Location Address358 VETERANS MEMORIAL HWY STE 9Commack, NY 11725-4326

Mailing Address358 Veterans Memorial Hwy Ste 9Commack, NY 11725-4326 · (631) 888-5917

Phone(631) 888-5917

Sole ProprietorNo

Enumeration DateSeptember 9, 2013

Last NPPES UpdateMay 18, 20263 updates tracked since enumeration

NPPES CertifiedMay 18, 2026

✔ NPI 1164857215 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers

Taxonomy Code101YM0800X

License✔ Licensed in NY · 005527-1

358 VETERANS MEMORIAL HWY STE 9, Commack, NY 11725

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Other Identifiers 1

Other005527-1NY · Lmhc

Other Providers at the Same Location NPPES 4

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

CHRISTINE MARRA PH.D

Psychologist (Clinical)

358 VETERANS MEMORIAL HWY STE 9
COMMACK, NY 11725

Suffolk County (631) 974-0522

AMANDA CZAJKOWSKI

Social Worker

358 VETERANS MEMORIAL HWY STE 9
COMMACK, NY 11725

Suffolk County (631) 682-2814

DR. ROBERT E. KIFER PH.D.

Psychologist (School)

358 VETERANS MEMORIAL HWY STE 9, INSTITUTE FOR BEHAVIORAL HEALTH
COMMACK, NY 11725

Suffolk County (631) 543-4357

GROWING MINDS PSYCHOLOGICAL SERVICES PLLC

Psychologist (Clinical Child & Adolescent)

358 VETERANS MEMORIAL HWY STE 9
COMMACK, NY 11725

Suffolk County (631) 493-7876

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 Juliann O'leary's NPI number?

The NPI number for Juliann O'leary is 1164857215. It was assigned to this individual provider in the NPPES registry on September 9, 2013.

Where is Juliann O'leary located?

Juliann O'leary practices at 358 Veterans Memorial Hwy Ste 9, Commack, NY 11725. The listed phone number is (631) 888-5917.

What is Juliann O'leary's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Juliann O'leary was last updated on May 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.