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John Duffy, PH.D.
NPI 1083732564 · Clinical Psychologist · Pittsburgh, PA
John Duffy, PH.D. is a Clinical Psychologist provider in Pittsburgh, PA (NPI 1083732564).
Provider details
- NPI number
- 1083732564
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PS018944 (PA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
615 Washington Rd Ste 507
Pittsburgh, PA 15228-1929
Phone: (412) 969-5228
Fax: (412) 343-5670
Street-level locationGet directions
Mailing address
615 Washington Rd Ste 507
Pittsburgh, PA 15228-1929
Registry dates
- Enumerated
- 2007-03-26
- Last updated
- 2020-01-11
- Certified
- 2020-01-11
Frequently asked questions
- What is John Duffy's NPI number?
- John Duffy's National Provider Identifier (NPI) is 1083732564, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Duffy's specialty?
- John Duffy is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is John Duffy located?
- John Duffy's practice location on file with NPPES is 615 Washington Rd Ste 507, Pittsburgh, PA 15228-1929.
- What is John Duffy's phone number?
- The practice phone number listed in the NPPES registry for John Duffy is (412) 969-5228.
- Is John Duffy's NPI active?
- Yes — John Duffy's NPI (1083732564) is active in the NPPES registry as of the last update on 2020-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.