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DIANA NOELLE LEONDIS LMHC
NPI 1639762909
Counselor - Mental Health in Garden City, NY

Active since February 17, 2021
142 TULLAMORE RD, GARDEN CITY, NY 11530(516) 650-3550 Get Directions Write a Review

NPPES record last updated: February 24, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Feb 24, 2023, Feb 17, 2021 (2 updates tracked since 2021).

About Diana Noelle Leondis Lmhc NPPES

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

DIANA NOELLE LEONDIS LMHC (NPI 1639762909) is an individual mental health provider in Garden City, New York, licensed in New York (011029) and active in the NPI registry since February 2021.

NPPES Registry Identity

NPI1639762909
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameDIANA NOELLE LEONDISCredential: LMHC
Location Address142 TULLAMORE RDGarden City, NY 11530-1139
Mailing Address142 Tullamore RdGarden City, NY 11530-1139
Phone(516) 650-3550
Sole ProprietorYes
Enumeration DateFebruary 17, 2021
Last NPPES UpdateFebruary 24, 20232 updates tracked since enumeration
NPPES CertifiedFebruary 24, 2023
✔ NPI 1639762909 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 · 011029
142 TULLAMORE RD, Garden City, NY 11530
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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 Diana Leondis's NPI number?

The NPI number for Diana Leondis is 1639762909. It was assigned to this individual provider in the NPPES registry on February 17, 2021.

Where is Diana Leondis located?

Diana Leondis practices at 142 Tullamore Rd, Garden City, NY 11530. The listed phone number is (516) 650-3550.

What is Diana Leondis'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 Diana Leondis was last updated on February 24, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.