Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mr. Steven Iallonardo, MS

Individual provider Intellectual & Developmental Disabilities Psychologist · NPI 1457593543

Mr. Steven Iallonardo, MS is an Intellectual & Developmental Disabilities Psychologist in New York, New York. Registered with an NPI since 2009.

In the registry since
2009
What do these letters mean?
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

460 W 34th St
New York, NY 10001-2320
Phone: (212) 273-6527
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Intellectual & Developmental Disabilities Psychologist (primary) Taxonomy 103TM1800X

Record details

NPI number1457593543
Entity typeIndividual (Type 1)
GenderMale
Credentials MS
Sole proprietorNo
NPI enumeratedApril 3, 2009
Last updated in NPPESApril 3, 2009

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