Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MS. DENISE KIM RYAN APRN, BC; MSN
NPI 1720031586
Clinical Nurse Specialist - Psychiatric/Mental Health, Adult in Brooklyn, NY

Active since May 19, 2006
800 POLY PL, DAY HOSPITAL PROGRAM-16TH FLOOR-ROOM 16-104, BROOKLYN, NY 11209(718) 836-6600 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ms. Denise Kim Ryan Aprn, Bc; Msn NPPES

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

MS. DENISE KIM RYAN APRN, BC; MSN (NPI 1720031586) is an individual psychiatric/mental health, adult provider in Brooklyn, New York, licensed in New York (386253-1) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1720031586
Entity TypeIndividualFemale
Primary Taxonomy364SP0809X
Provider Legal NameMS. DENISE KIM RYANCredential: APRN, BC; MSN
Location Address800 POLY PL, DAY HOSPITAL PROGRAM-16TH FLOOR-ROOM 16-104Brooklyn, NY 11209-7104
Mailing Address2361 E 29th StBrooklyn, NY 11229-5027 · (718) 743-2249
Sole ProprietorNo
Enumeration DateMay 19, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1720031586 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyClinical Nurse Specialist · Psychiatric/Mental Health, AdultPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code364SP0809X
License Licensed in NY · 386253-1
800 POLY PL, Brooklyn, NY 11209

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.

Social Worker
800 POLY PL
BROOKLYN, NY 11209
Social Worker (Clinical)
800 POLY PL
BROOKLYN, NY 11209
Psychologist (Clinical)
800 POLY PL
BROOKLYN, NY 11209
Physical Medicine & Rehabilitation
800 POLY PL
BROOKLYN, NY 11209
Social Worker
800 POLY PL
BROOKLYN, NY 11209
Social Worker (Clinical)
800 POLY PL
BROOKLYN, NY 11209
Social Worker (Clinical)
800 POLY PL
BROOKLYN, NY 11209
Social Worker (Clinical)
800 POLY PL
BROOKLYN, NY 11209

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 Denise Ryan's NPI number?

The NPI number for Denise Ryan is 1720031586. It was assigned to this individual provider in the NPPES registry on May 19, 2006.

Where is Denise Ryan located?

Denise Ryan practices at 800 Poly Pl Day Hospital Program-16th Floor-Room 16-104, Brooklyn, NY 11209. The listed phone number is (718) 836-6600.

What is Denise Ryan's specialty?

The primary specialty registered for this NPI is Clinical Nurse Specialist, specializing in Psychiatric/Mental Health, Adult, with taxonomy code 364SP0809X.

When was this NPI record last updated?

The NPPES record for Denise Ryan was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 days 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.