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Gregory Brown, PH.D.
NPI 1114164548 · Psychologist · Philadelphia, PA
Gregory Brown, PH.D. is a Psychologist provider in Philadelphia, PA (NPI 1114164548).
Provider details
- NPI number
- 1114164548
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- B10000265 (DE)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(86/100 index)
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
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
3535 Market St
Rm 2030
Philadelphia, PA 19104-3309
Phone: (215) 898-4104
Street-level locationGet directions
Mailing address
1302 Tulane Rd
Wilmington, DE 19803-5140
Registry dates
- Enumerated
- 2009-01-07
- Last updated
- 2009-01-07
Frequently asked questions
- What is Gregory Brown's NPI number?
- Gregory Brown's National Provider Identifier (NPI) is 1114164548, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Brown's specialty?
- Gregory Brown is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Gregory Brown located?
- Gregory Brown's practice location on file with NPPES is 3535 Market St, Philadelphia, PA 19104-3309.
- What is Gregory Brown's phone number?
- The practice phone number listed in the NPPES registry for Gregory Brown is (215) 898-4104.
- Is Gregory Brown's NPI active?
- Yes — Gregory Brown's NPI (1114164548) is active in the NPPES registry as of the last update on 2009-01-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.