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MR. STEVEN IALLONARDO MS
NPI 1457593543
Psychologist - Intellectual and Developmental Disabilities in New York, NY

Active since April 03, 2009
460 W 34TH ST, NEW YORK, NY 10001(212) 273-6527 Get Directions Write a Review

NPPES record last updated: April 3, 2009. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mr. Steven Iallonardo Ms NPPES

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

MR. STEVEN IALLONARDO MS (NPI 1457593543) is an individual intellectual and developmental disabilities provider in New York, New York and active in the NPI registry since April 2009.

NPPES Registry Identity

NPI1457593543
Entity TypeIndividualMale
Primary Taxonomy103TM1800X
Provider Legal NameMR. STEVEN IALLONARDOCredential: MS
Location Address460 W 34TH STNew York, NY 10001-2320
Mailing Address460 W 34th StNew York, NY 10001-2320
Phone(212) 273-6527
Sole ProprietorNo
Enumeration DateApril 3, 2009
✔ NPI 1457593543 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · Intellectual and Developmental DisabilitiesBehavioral Health & Social Service Providers
Taxonomy Code103TM1800X
460 W 34TH ST, New York, NY 10001
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Other Providers at the Same Location NPPES 20

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

ELAINE JOAN SCHOTT
Specialist
460 W 34TH ST, 11TH FLOOR
NEW YORK, NY 10001
New York County (212) 273-6519
ANNE OPPENHEIMER
Specialist
460 W 34TH ST, 11TH FLOOR
NEW YORK, NY 10001
New York County (212) 273-6519
YVETTE FELICIANO LMSW
Social Worker
460 W 34TH ST, 11TH FLOOR
NEW YORK, NY 10001
New York County (212) 273-6414
DENIZ ALTAN M.S.ED
Counselor (Mental Health)
460 W 34TH ST
NEW YORK, NY 10001
New York County (212) 273-6100
GABRIELLE REYES M.S ED.
Psychologist (School)
460 W 34TH ST
NEW YORK, NY 10001
New York County (212) 273-6100
ANNE R. HALLIGAN-LUCA
Specialist
460 W 34TH ST, 11TH FLOOR
NEW YORK, NY 10001
New York County (212) 273-6100
MENG HSING SUN
Specialist
460 W 34TH ST, 11TH FLOOR
NEW YORK, NY 10001
New York County (212) 273-6100
MARIE R ALI CPC
Specialist
460 W 34TH ST, 11TH FLOOR
NEW YORK, NY 10001
New York County (212) 273-6100

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 Steven Iallonardo's NPI number?

The NPI number for Steven Iallonardo is 1457593543. It was assigned to this individual provider in the NPPES registry on April 3, 2009.

Where is Steven Iallonardo located?

Steven Iallonardo practices at 460 W 34th St, New York, NY 10001. The listed phone number is (212) 273-6527.

What is Steven Iallonardo's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Intellectual and Developmental Disabilities, with taxonomy code 103TM1800X.

When was this NPI record last updated?

The NPPES record for Steven Iallonardo was last updated on April 3, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.