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

TIMOTHY JOSEPH SULLIVAN PHD
NPI 1013896497
Psychologist - Clinical in Brooklyn, NY

Active since August 29, 2025
381 KNICKERBOCKER AVE # 340, BROOKLYN, NY 11237(646) 470-5459 Get Directions Write a Review

NPPES record last updated: October 25, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Timothy Joseph Sullivan Phd NPPES

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

TIMOTHY JOSEPH SULLIVAN PHD (NPI 1013896497) is an individual clinical provider in Brooklyn, New York, licensed in New York (027493) and active in the NPI registry since August 2025.

NPPES Registry Identity

NPI1013896497
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameTIMOTHY JOSEPH SULLIVANCredential: PHD
Location Address381 KNICKERBOCKER AVE # 340Brooklyn, NY 11237-3701
Mailing Address381 Knickerbocker Ave # 340Brooklyn, NY 11237-3701
Phone(646) 470-5459
Sole ProprietorYes
Enumeration DateAugust 29, 2025
Last NPPES UpdateOctober 25, 2026
NPPES CertifiedOctober 25, 2026
✔ NPI 1013896497 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in NY · 027493
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
381 KNICKERBOCKER AVE # 340, Brooklyn, NY 11237
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Other Names 1

Other Name (5)Tj Sullivan Phd

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 Timothy Sullivan's NPI number?

The NPI number for Timothy Sullivan is 1013896497. It was assigned to this individual provider in the NPPES registry on August 29, 2025. The provider is also known as Tj Sullivan Phd.

Where is Timothy Sullivan located?

Timothy Sullivan practices at 381 Knickerbocker Ave # 340, Brooklyn, NY 11237. The listed phone number is (646) 470-5459.

What is Timothy Sullivan's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for Timothy Sullivan was last updated on October 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated yesterday. 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.