Seth Gillihan, PHD
NPI 1922245943 · Psychologist · Haverford, PA
Seth Gillihan, PHD is a Psychologist provider in Haverford, PA (NPI 1922245943).
Provider details
- NPI number
- 1922245943
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Cognitive & Behavioral Psychologist103TB0200X
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
17 yrs in NPPES registry
- Profile completeness38% of score
83% 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
Mailing address
Registry dates
- Enumerated
- 2009-01-13
- Last updated
- 2012-08-10
Frequently asked questions
- What is Seth Gillihan's NPI number?
- Seth Gillihan's National Provider Identifier (NPI) is 1922245943, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Seth Gillihan's specialty?
- Seth Gillihan is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Seth Gillihan located?
- Seth Gillihan's practice location on file with NPPES is 355 Lancaster Ave, Haverford, PA 19041-1547.
- What is Seth Gillihan's phone number?
- The practice phone number listed in the NPPES registry for Seth Gillihan is (610) 649-3265.
- Is Seth Gillihan's NPI active?
- Yes — Seth Gillihan's NPI (1922245943) is active in the NPPES registry as of the last update on 2012-08-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.