NPPES file of Aug 9, 2026

John F. Duffy, PH.D.

Clinical Psychologist · Pittsburgh, PA

John F. Duffy, PH.D. is a clinical psychologist with a practice address in Pittsburgh, Pennsylvania, and NPI 1083732564, issued on Mar 26, 2007. Check the license (Pennsylvania PS018944, as entered in NPPES) with the Pennsylvania 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
1083732564
Name
John F. Duffy
Credential
PH.D.
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
PS018944 PA
Self-reported in NPPES; status is on the state search
Practice location
615 Washington RD Ste 507, Pittsburgh, PA 15228
Phone
(412) 969-5228
Enumerated
Mar 26, 2007
Record last updated
Jan 11, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(412) 343-5670
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 615 Washington RD Ste 507

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

  1. Adam Friedlander, LPCProfessional Counselor1184003212

Verify John F. Duffy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license PS018944
    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 Pennsylvania 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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John F. Duffy among 2,597 clinical psychologist records in Pennsylvania

John F. Duffy, PH.D. is one of 2,597 clinical psychologist records with a practice address in Pennsylvania. 15% 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 2007, is newer than 29% of them.

  • NPI issued2007 · 29% of these records are older, 54% newer
  • In a Medicare fileNo · 15% of these records are
  • In the CMS Doctors and Clinicians fileNo · 27% of these records are
  • Record last updated2020 · 65% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Clinical Psychologist providers in Pennsylvania

There are 2,597 clinical psychologist records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 clinical psychologist records with the nearest ZIP codes

  1. Jamie Arthurs, PSY.DPittsburgh, PA 152281932583523
  2. Patricia Dobosh, PH.D.Pittsburgh, PA 152281295730844
  3. Zachary Friedman, PHDPittsburgh, PA 152281497510283
  4. Corrine Nichol, PSYDPittsburgh, PA 152281073075362
  5. Nancy Pegher, PSY.D.Pittsburgh, PA 152281891855250
  6. Robert Sherry, PH.D.Pittsburgh, PA 152281497750566
  7. Mark Thomas, PHDPittsburgh, PA 152281891595005
  8. Nancie Tormey, PH.D.Pittsburgh, PA 152281740228139

Common questions

What is John F. Duffy, PH.D.'s NPI number?

John F. Duffy, PH.D.'s National Provider Identifier (NPI) is 1083732564, issued on Mar 26, 2007. An NPI identifies a provider in billing; it is not a license.

Where is John F. Duffy, PH.D. located?

The NPPES record lists a practice address at 615 Washington RD Ste 507, Pittsburgh, PA, 15228. Phone: (412) 969-5228. Providers update this record themselves, so call before visiting.

How can I verify John F. Duffy, PH.D.'s license?

NPPES lists Pennsylvania license number PS018944, as entered by the provider. Search the Pennsylvania 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.