MR. ROBERT IRA NESS
NPI 1669429643
Counselor - Addiction (Substance Use Disorder) in New York, NY

Q: What is Robert Ness's NPI number?

The NPI number for Robert Ness is 1669429643. It was assigned to this individual provider in the NPPES registry on May 27, 2006.

Q: What is Robert Ness's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

Q: When was this NPI record last updated?

The NPPES record for Robert Ness was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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 May 27, 2006

437 W 16TH ST, FIRST FLOOR, NEW YORK, NY 10011(212) 462-4450(212) 462-4405 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Mr. Robert Ira Ness NPPES

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

MR. ROBERT IRA NESS (NPI 1669429643) is an individual addiction (substance use disorder) provider in New York, New York, licensed in New York (9174) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1669429643

Entity TypeIndividualMale

Primary Taxonomy101YA0400X

Provider Legal NameMR. ROBERT IRA NESS

Location Address437 W 16TH ST, FIRST FLOORNew York, NY 10011-5800

Mailing Address437 W 16th St, First FloorNew York, NY 10011-5800 · (212) 462-4450

Phone(212) 462-4450

Fax(212) 462-4405

Sole ProprietorNo

Enumeration DateMay 27, 2006

Last NPPES UpdateSeptember 11, 2025

✔ NPI 1669429643 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers

Taxonomy Code101YA0400X

License✔ Licensed in NY · 9174

Also ListedCounselor · Mental HealthTaxonomy 101YM0800X · License 001071 (NY)

437 W 16TH ST, New York, NY 10011

Open in Google Maps ↗

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 Robert Ness's NPI number?

The NPI number for Robert Ness is 1669429643. It was assigned to this individual provider in the NPPES registry on May 27, 2006.

Where is Robert Ness located?

Robert Ness practices at 437 W 16th St First Floor, New York, NY 10011. The listed phone number is (212) 462-4450.

What is Robert Ness's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Robert Ness was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.