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Leon Gellert, PSYD
NPI 1427754811 · Psychologist · Bryn Mawr, PA
Leon Gellert, PSYD is a Psychologist provider in Bryn Mawr, PA (NPI 1427754811).
Provider details
- NPI number
- 1427754811
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PSYD
- Sex
- Male
- Sole proprietor
- Yes
- License
- PS018824 (PA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(59/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
14 Elliott Ave
Bryn Mawr, PA 19010-3412
Phone: (917) 714-9808
Street-level locationGet directions
Mailing address
24 Decatur Rd
Havertown, PA 19083-1412
Registry dates
- Enumerated
- 2023-02-06
- Last updated
- 2023-02-06
- Certified
- 2023-02-06
Frequently asked questions
- What is Leon Gellert's NPI number?
- Leon Gellert's National Provider Identifier (NPI) is 1427754811, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leon Gellert's specialty?
- Leon Gellert is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Leon Gellert located?
- Leon Gellert's practice location on file with NPPES is 14 Elliott Ave, Bryn Mawr, PA 19010-3412.
- What is Leon Gellert's phone number?
- The practice phone number listed in the NPPES registry for Leon Gellert is (917) 714-9808.
- Is Leon Gellert's NPI active?
- Yes — Leon Gellert's NPI (1427754811) is active in the NPPES registry as of the last update on 2023-02-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.