DR. LEON LOUIS PLITT GELLERT PSYD
NPI 1427754811
Psychologist in Bryn Mawr, PA

Active since February 06, 2023
14 ELLIOTT AVE, BRYN MAWR, PA 19010(917) 714-9808 Get Directions Write a Review

NPPES record last updated: February 6, 2023. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About Dr. Leon Louis Plitt Gellert Psyd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. LEON LOUIS PLITT GELLERT PSYD (NPI 1427754811) is an individual psychologist in Bryn Mawr, Pennsylvania, licensed in Pennsylvania (PS018824) and active in the NPI registry since February 2023.

NPPES Registry Identity

NPI1427754811
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameDR. LEON LOUIS PLITT GELLERTCredential: PSYD
Location Address14 ELLIOTT AVEBryn Mawr, PA 19010-3412
Mailing Address24 Decatur RdHavertown, PA 19083-1412 · (917) 714-9808
Sole ProprietorYes
Enumeration DateFebruary 6, 2023
NPPES CertifiedFebruary 6, 2023
✔ NPI 1427754811 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License✔ Licensed in PA · PS018824
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
14 ELLIOTT AVE, Bryn Mawr, PA 19010

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychiatry & Neurology (Psychiatry)
14 ELLIOTT AVE, SUITE B
BRYN MAWR, PA 19010
Counselor (Professional)
14 ELLIOTT AVE, SUITE 9
BRYN MAWR, PA 19010
Psychiatry & Neurology (Psychiatry)
14 ELLIOTT AVE, SUITE 9
BRYN MAWR, PA 19010
Psychiatry & Neurology (Psychiatry)
14 ELLIOTT AVE, SUITE 9
BRYN MAWR, PA 19010
Psychiatry & Neurology (Psychiatry)
14 ELLIOTT AVE, SUITE 4
BRYN MAWR, PA 19010
Psychologist (Clinical)
14 ELLIOTT AVE, SUITE 7
BRYN MAWR, PA 19010
Psychologist
14 ELLIOTT AVE, SUITE 9
BRYN MAWR, PA 19010
Psychiatry & Neurology (Child & Adolescent Psychiatry)
14 ELLIOTT AVE
BRYN MAWR, PA 19010

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Leon Gellert's NPI number?

The NPI number for Leon Gellert is 1427754811. It was assigned to this individual provider in the NPPES registry on February 6, 2023.

Where is Leon Gellert located?

Leon Gellert practices at 14 Elliott Ave, Bryn Mawr, PA 19010. The listed phone number is (917) 714-9808.

What is Leon Gellert's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

When was this NPI record last updated?

The NPPES record for Leon Gellert was last updated on February 6, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.