Patrick O'Brien, PHD
NPI 1164991774 · Clinical Psychologist · Pittsburgh, PA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Patrick O'Brien, PHD is a Clinical Psychologist provider in Pittsburgh, PA (NPI 1164991774).
Provider details
- NPI number
- 1164991774
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- PS019056 (PA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Mailing address
Additional practice locations (1)
- 307 4th Ave Ste 1100Pittsburgh, PA 15222-2107Phone: (518) 744-0679
Registry dates
- Enumerated
- 2018-11-13
- Last updated
- 2023-03-14
- Certified
- 2023-03-14
Frequently asked questions
- What is Patrick O'Brien's NPI number?
- Patrick O'Brien's National Provider Identifier (NPI) is 1164991774, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Patrick O'Brien's specialty?
- Patrick O'Brien is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Patrick O'Brien located?
- Patrick O'Brien's practice location on file with NPPES is 128 N Craig St Ste 215a, Pittsburgh, PA 15213-2758.
- What is Patrick O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Patrick O'Brien is (412) 204-7083.
- Does Patrick O'Brien accept Medicare?
- Patrick O'Brien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Patrick O'Brien's NPI active?
- Yes — Patrick O'Brien's NPI (1164991774) is active in the NPPES registry as of the last update on 2023-03-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.