WILLIAM HOLLAND PHD
NPI 1265373203
Psychologist - Clinical in New York, NY

Active since April 03, 2026
300 CENTRAL PARK W APT 1C, NEW YORK, NY 10024(917) 848-0305 Get Directions Write a Review

NPPES record last updated: April 3, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About William Holland Phd NPPES

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

WILLIAM HOLLAND PHD (NPI 1265373203) is an individual clinical provider in New York, New York, licensed in New York (028118) and active in the NPI registry since April 2026.

NPPES Registry Identity

NPI1265373203
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameWILLIAM HOLLANDCredential: PHD
Location Address300 CENTRAL PARK W APT 1CNew York, NY 10024-1590
Mailing Address300 Central Park W Apt 1cNew York, NY 10024-1590
Sole ProprietorYes
Enumeration DateApril 3, 2026
NPPES CertifiedApril 3, 2026
NPI 1265373203 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 · 028118
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.
300 CENTRAL PARK W APT 1C, New York, NY 10024

Other Providers at the Same Location NPPES 3

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

Psychologist (Clinical)
300 CENTRAL PARK W APT 1C
NEW YORK, NY 10024
Social Worker (Clinical)
300 CENTRAL PARK W APT 1C
NEW YORK, NY 10024
Clinic/Center (Physical Therapy)
300 CENTRAL PARK W APT 1C
NEW YORK, NY 10024

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 William Holland's NPI number?

The NPI number for William Holland is 1265373203. It was assigned to this individual provider in the NPPES registry on April 3, 2026.

Where is William Holland located?

William Holland practices at 300 Central Park W Apt 1C, New York, NY 10024. The listed phone number is (917) 848-0305.

What is William Holland'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 William Holland was last updated on April 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.