NPPES file of Aug 9, 2026

Jeffrey Glenn Portnoy, PHD

Clinical Neuropsychologist · New York, NY

Jeffrey Glenn Portnoy, PHD is a clinical neuropsychologist with a practice address in New York, New York, and NPI 1396481271, issued on May 12, 2022. Check the license (New York 024975, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1396481271
Name
Jeffrey Glenn Portnoy
Credential
PHD
Primary taxonomy
Clinical Neuropsychologist 103G00000X
License numbers
024975 NY
35SI00676600 NJ
Self-reported in NPPES; status is on the state search
Practice location
176 E 77TH St, New York, NY 10075
Phone
(212) 434-6400
Enumerated
May 12, 2022
Record last updated
Mar 7, 2023
Medicaid ID
0859877 NJ
Medicare enrollment
Enrolled (PECOS I20221007000540); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest clinical neuropsychologist records → All 424 in New York → Look up another NPI →

Also registered at 176 E 77TH St

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

  1. Lynn Ackerman, M.D.General Practice Physician1770727992
  2. Valerie BorockSocial Worker1972756120
  3. Daniel Gratch, MDNeurology Physician1346804119
  4. Giulia Mercuri, PHDClinical Neuropsychologist1831777515
  5. Sophie Schiff, PHDClinical Neuropsychologist1316865009
  6. Beril YaffeClinical Neuropsychologist1780295691

Verify Jeffrey Glenn Portnoy 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 024975    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Holy Name Primary Care And Specialty Associates PCWestwood, NJ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jeffrey Glenn Portnoy among 424 clinical neuropsychologist records in New York

Jeffrey Glenn Portnoy, PHD 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. Its NPI, issued in 2022, is newer than 88% of them.

  • NPI issued2022 · 88% of these records are older, 10% newer
  • In a Medicare fileYes · 26% of these records are
  • In the CMS Doctors and Clinicians fileYes · 33% of these records are
  • Graduated2020 · median 2007 among the 139 with a school on file
  • Record last updated2023 · 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.

All 424 in New York → Every provider in New York → Clinical Neuropsychologist nationwide →

The 8 clinical neuropsychologist records with the nearest ZIP codes

  1. Kim Busichio, PH.D.New York, NY 100751538685441
  2. Brittany LemondaNew York, NY 100751659829356
  3. Giulia Mercuri, PHDNew York, NY 100751831777515
  4. Sophie Schiff, PHDNew York, NY 100751316865009
  5. Beril YaffeNew York, NY 100751780295691
  6. Heidi Bender, PH.D.New York, NY 100651407171424
  7. Emily Dvorak, PHDNew York, NY 100651235062555
  8. David Erlanger, PH.D.New York, NY 100651124204755

Common questions

What is Jeffrey Glenn Portnoy, PHD's NPI number?

Jeffrey Glenn Portnoy, PHD's National Provider Identifier (NPI) is 1396481271, issued on May 12, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Jeffrey Glenn Portnoy, PHD located?

The NPPES record lists a practice address at 176 E 77TH St, New York, NY, 10075. Phone: (212) 434-6400. Providers update this record themselves, so call before visiting.

How can I verify Jeffrey Glenn Portnoy, PHD's license?

NPPES lists New York license number 024975, 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. Medicare files from data.cms.gov. 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.