NPPES file of Aug 9, 2026

Mark Hollander, PH.D.

Clinical Psychologist · New York, NY

Mark Hollander, PH.D. is a clinical psychologist with a practice address in New York, New York, and NPI 1619949419, issued on Feb 6, 2006. Check the license (New York 011500, 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
1619949419
Name
Mark Hollander
Credential
PH.D.
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
011500 NY
Self-reported in NPPES; status is on the state search
Practice location
80 5TH Ave, New York, NY 10011
Phone
(212) 969-8244
Enumerated
Feb 6, 2006
Record last updated
Oct 3, 2013 (not updated in 13 years: call before relying on the address or phone)
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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8 nearest clinical psychologist records → All 6,558 in New York → Look up another NPI →

Also registered at 80 5TH Ave

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

  1. Frederick Aiese, LCSWClinical Social Worker1033182852
  2. Sumitra Balachandran, PSY.D., M.A., M.S.Psychologist1457813909
  3. Ira Barouch, M.A.Psychoanalyst1750429825
  4. Frances Bernfeld, LCSWClinical Social Worker1073681417
  5. Martha Bragin, LCSWClinical Social Worker1982024899
  6. Pearl Brandes, LCSWClinical Social Worker1972514875

Verify Mark Hollander 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 011500    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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Mark Hollander among 6,558 clinical psychologist records in New York

Mark Hollander, PH.D. is one of 6,558 clinical psychologist records with a practice address in New York. 7% 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, 75% newer
  • In a Medicare fileNo · 7% of these records are
  • In the CMS Doctors and Clinicians fileNo · 19% of these records are
  • Record last updated2013 · 73% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

2,542 clinical psychologist records list a practice address in New York

They are 2,542 of the 98,468 NPPES records with a practice address in New York, and 6,558 clinical psychologist records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 6,558 in New York → Every provider in New York → Clinical Psychologist nationwide →

The 8 clinical psychologist records with the nearest ZIP codes

  1. Richard Angle, PH.D.New York, NY 100111336190636
  2. Carol Geisler, CPNew York, NY 100111841288487
  3. Jill Gentile, PH.D.New York, NY 100111932206695
  4. David Gluck, PH.D.New York, NY 100111568486892
  5. Charles Herr, PH.D.New York, NY 100111558386318
  6. Steve Himmelstein, PH.D.New York, NY 100111982701546
  7. Flora Hogman, PH DNew York, NY 100111013022706
  8. Allysen Manz, PH.D.New York, NY 100111346213030

Common questions

What is Mark Hollander, PH.D.'s NPI number?

Mark Hollander, PH.D.'s National Provider Identifier (NPI) is 1619949419, issued on Feb 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark Hollander, PH.D. located?

The NPPES record lists a practice address at 80 5TH Ave, New York, NY, 10011. Phone: (212) 969-8244. Providers update this record themselves, so call before visiting.

How can I verify Mark Hollander, PH.D.'s license?

NPPES lists New York license number 011500, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.