PROF. WILLIAM S. MACALLISTER PH.D.
NPI 1023065653
Clinical Neuropsychologist in New York, NY

Active since May 28, 2006
223 E 34TH ST, NEW YORK, NY 10016(646) 558-0809 Get Directions Write a Review

NPPES record last updated: December 13, 2011. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Prof. William S. Macallister Ph.d. NPPES

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

PROF. WILLIAM S. MACALLISTER PH.D. (NPI 1023065653) is an individual clinical neuropsychologist in New York, New York, licensed in New York (015665) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1023065653
Entity TypeIndividualMale
Primary Taxonomy103G00000X
Provider Legal NamePROF. WILLIAM S. MACALLISTERCredential: PH.D.
Location Address223 E 34TH STNew York, NY 10016-4852
Mailing Address223 E 34th StNew York, NY 10016-4852 · (646) 558-0809
Sole ProprietorNo
Enumeration DateMay 28, 2006
Last NPPES UpdateDecember 13, 2011
NPI 1023065653 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyClinical NeuropsychologistBehavioral Health & Social Service Providers
Taxonomy Code103G00000X
License Licensed in NY · 015665
Definition
A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.
223 E 34TH ST, New York, NY 10016

Other Identifiers 3

Medicare UPINQ33598NY
Medicaid02596770NY
Medicare PINV667XMW951

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.

Psychiatry & Neurology (Neurology)
223 E 34TH ST
NEW YORK, NY 10016
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
223 E 34TH ST
NEW YORK, NY 10016
Psychiatry & Neurology (Epilepsy)
223 E 34TH ST
NEW YORK, NY 10016
Psychiatry & Neurology (Neurology)
223 E 34TH ST
NEW YORK, NY 10016
Psychiatry & Neurology (Neurology)
223 E 34TH ST
NEW YORK, NY 10016
Neurological Surgery
223 E 34TH ST
NEW YORK, NY 10016
Nurse Practitioner (Family)
223 E 34TH ST
NEW YORK, NY 10016
Psychiatry & Neurology (Neurology)
223 E 34TH ST
NEW YORK, NY 10016

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 Macallister's NPI number?

The NPI number for William Macallister is 1023065653. It was assigned to this individual provider in the NPPES registry on May 28, 2006.

Where is William Macallister located?

William Macallister practices at 223 E 34th St, New York, NY 10016. The listed phone number is (646) 558-0809.

What is William Macallister's specialty?

The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.

When was this NPI record last updated?

The NPPES record for William Macallister was last updated on December 13, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.