NPPES file of Aug 9, 2026

William Nana Osei, PHD

Psychologist · Brooklyn, NY

William Nana Osei, PHD is a psychologist with a practice address in Brooklyn, New York, and NPI 1992322960, issued on Jun 25, 2020. Check the license (New York 024706, 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
1992322960
Name
William Nana Osei
Credential
PHD
Primary taxonomy
Psychologist 103T00000X
License numbers
024706 NY
PS020493 PA
Self-reported in NPPES; status is on the state search
Practice location
26 Court St Ste 409, Brooklyn, NY 11242
Phone
(347) 695-8715
Enumerated
Jun 25, 2020
Record last updated
Dec 2, 2025
Medicare enrollment
Enrolled (PECOS I20251231000090); may accept Medicare assignment
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 psychologist records → All 5,045 in New York → Look up another NPI →

Also registered at 26 Court St Ste 409

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

  1. Rachel AedanClinical Social Worker1508428038
  2. Shilpa Agraharkar, M.D.Child & Adolescent Psychiatry Physician1821433871
  3. Tobias Atkin, MDPsychiatry Physician1184201857
  4. Marvin Brown, LCSWClinical Social Worker1538681978
  5. Nancy Burns, LMHCMental Health Counselor1134737372
  6. Andrew Chen, MD, PHDPsychiatry Physician1407880933

Verify William Nana Osei 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 024706    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 Nana Osei among 5,045 psychologist records in New York

William Nana Osei, PHD is one of 5,045 psychologist records with a practice address in New York. 6% 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 2020, is newer than 79% of them.

  • NPI issued2020 · 79% of these records are older, 18% newer
  • In a Medicare fileNo · 6% of these records are
  • In the CMS Doctors and Clinicians fileYes · 15% of these records are
  • Graduated2020 · median 1994 among the 766 with a school on file
  • Record last updated2025 · 70% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychologist providers in New York

There are 5,045 psychologist records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 5,045 in New York → Every provider in Brooklyn → Psychologist nationwide →

The 8 psychologist records with the nearest ZIP codes

  1. Beth Halpern, PH.D.Brooklyn, NY 112421467744714
  2. Elizabeth Hammel, PH.D.Brooklyn, NY 112421831540699
  3. Jennifer Hope, PH.D.Brooklyn, NY 112421841437944
  4. Gardith Marcelin, PH.D.Brooklyn, NY 112421285049114
  5. Michelle Marquez, PSY.DBrooklyn, NY 112421740431774
  6. Beryl Nightingale, PH.D.Brooklyn, NY 112421255411930
  7. Antonio Ortega, PSY.D.Brooklyn, NY 112421538281597
  8. Tracy Poon, PSY. D.Brooklyn, NY 112421558425827

Common questions

What is William Nana Osei, PHD's NPI number?

William Nana Osei, PHD's National Provider Identifier (NPI) is 1992322960, issued on Jun 25, 2020. An NPI identifies a provider in billing; it is not a license.

Where is William Nana Osei, PHD located?

The NPPES record lists a practice address at 26 Court St Ste 409, Brooklyn, NY, 11242. Phone: (347) 695-8715. Providers update this record themselves, so call before visiting.

How can I verify William Nana Osei, PHD's license?

NPPES lists New York license number 024706, 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.