NPPES file of Aug 9, 2026

William S. Macallister, PH.D.

Clinical Neuropsychologist · New York, NY

William S. Macallister, PH.D. is a clinical neuropsychologist with a practice address in New York, New York, and NPI 1023065653, issued on May 28, 2006. Check the license (New York 015665, as entered in NPPES) with the New York board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023065653
Name
William S. Macallister
Credential
PH.D.
Primary taxonomy
Clinical Neuropsychologist 103G00000X
License number
015665 NY
Self-reported in NPPES; status is on the state search
Practice location
223 E 34TH St, New York, NY 10016
Phone
(646) 558-0809
Enumerated
May 28, 2006
Record last updated
Dec 13, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicaid ID
02596770 NY
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 223 E 34TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Isabelle Avildsen, PHDClinical Neuropsychologist1497598080
  2. William Barr, PH.D.Clinical Neuropsychologist1922016963
  3. Judith Bluvstein, M.D.Neurology with Special Qualifications in Child Neurology Physician1063647832
  4. Tracy Butler, MDNeurology Physician1659430833
  5. Macy Carobene, NPPediatric Nurse Practitioner1588897912
  6. Andrew Christiana, M.D.Neurology Physician1336595628

Verify William S. Macallister in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 015665
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the New York license search

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William S. Macallister among 424 clinical neuropsychologist records in New York

William S. Macallister, PH.D. is one of 424 clinical neuropsychologist records with a practice address in New York. 26% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 73% newer
  • In a Medicare fileNo · 26% of these records are
  • In the CMS Doctors and Clinicians fileNo · 33% of these records are
  • Record last updated2011 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103G00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Clinical Neuropsychologist providers in New York

There are 424 clinical neuropsychologist records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 clinical neuropsychologist records with the nearest ZIP codes

  1. William Barr, PH.D.New York, NY 100161922016963
  2. Sonia Bernal, PH.D.New York, NY 100161811243066
  3. Lale Bilginer, PH.D.New York, NY 100161649417015
  4. Christopher Damato, PSY.D.New York, NY 100161558591503
  5. Ilana Grunwald, PH.D.New York, NY 100161073726816
  6. Yuen Shan Lee, PHDNew York, NY 100161427480946
  7. Christina Morrison, PH.D.New York, NY 100161588672539
  8. Lorna Myers, PHDNew York, NY 100161851340582

Common questions

What is William S. Macallister, PH.D.'s NPI number?

William S. Macallister, PH.D.'s National Provider Identifier (NPI) is 1023065653, issued on May 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William S. Macallister, PH.D. located?

The NPPES record lists a practice address at 223 E 34TH St, New York, NY, 10016. Phone: (646) 558-0809. Providers update this record themselves, so call before visiting.

How can I verify William S. Macallister, PH.D.'s license?

NPPES lists New York license number 015665, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.