DR. GREGORY K BROWN PH.D.
NPI 1114164548
Psychologist in Philadelphia, PA

Active since January 07, 2009
3535 MARKET ST, RM 2030, PHILADELPHIA, PA 19104(215) 898-4104 Get Directions Write a Review

NPPES record last updated: January 7, 2009. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Gregory K Brown Ph.d. NPPES

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

DR. GREGORY K BROWN PH.D. (NPI 1114164548) is an individual psychologist in Philadelphia, Pennsylvania, licensed in Delaware (B10000265) and active in the NPI registry since January 2009.

NPPES Registry Identity

NPI1114164548
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameDR. GREGORY K BROWNCredential: PH.D.
Location Address3535 MARKET ST, RM 2030Philadelphia, PA 19104-3309
Mailing Address1302 Tulane RdWilmington, DE 19803-5140 · (215) 898-4104
Sole ProprietorYes
Enumeration DateJanuary 7, 2009
NPI 1114164548 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 DE · B10000265
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.
3535 MARKET ST, Philadelphia, PA 19104

Other Providers at the Same Location NPPES 20

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

Nurse Practitioner (Family)
3535 MARKET ST, SUITE 100
PHILADELPHIA, PA 19104
Psychologist (Clinical)
3535 MARKET ST
PHILADELPHIA, PA 19104
Psychologist (Clinical)
3535 MARKET ST, 3RD FLOOR
PHILADELPHIA, PA 19104
Psychologist (Clinical)
3535 MARKET ST
PHILADELPHIA, PA 19104
Social Worker (Clinical)
3535 MARKET ST, 2ND FL
PHILADELPHIA, PA 19104
Nurse Practitioner (Obstetrics & Gynecology)
3535 MARKET ST, 3RD FLOOR
PHILADELPHIA, PA 19104
Nurse Practitioner (Psychiatric/Mental Health)
3535 MARKET ST
PHILADELPHIA, PA 19104
Nurse Practitioner (Psychiatric/Mental Health)
3535 MARKET ST
PHILADELPHIA, PA 19104

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 Gregory Brown's NPI number?

The NPI number for Gregory Brown is 1114164548. It was assigned to this individual provider in the NPPES registry on January 7, 2009.

Where is Gregory Brown located?

Gregory Brown practices at 3535 Market St Rm 2030, Philadelphia, PA 19104. The listed phone number is (215) 898-4104.

What is Gregory Brown'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 Gregory Brown was last updated on January 7, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.