RIAYN MACK
NPI 1164397865
Psychologist in Adelphi, MD

Active since October 10, 2025
8908 RIGGS RD, ADELPHI, MD 20783(301) 431-5630 Get Directions Write a Review

NPPES record last updated: October 10, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Riayn Mack NPPES

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

RIAYN MACK (NPI 1164397865) is an individual psychologist in Adelphi, Maryland, licensed in Maryland (14139) and active in the NPI registry since October 2025.

NPPES Registry Identity

NPI1164397865
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameRIAYN MACK
Location Address8908 RIGGS RDAdelphi, MD 20783-1632
Mailing Address8908 Riggs RdAdelphi, MD 20783-1632 · (301) 431-5630
Sole ProprietorYes
Enumeration DateOctober 10, 2025
NPPES CertifiedOctober 10, 2025
NPI 1164397865 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 MD · 14139
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.
8908 RIGGS RD, Adelphi, MD 20783

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.

Psychologist
8908 RIGGS RD
ADELPHI, MD 20783
Psychologist (School)
8908 RIGGS RD
ADELPHI, MD 20783
Psychologist
8908 RIGGS RD
ADELPHI, MD 20783
Pediatrics
8908 RIGGS RD
ADELPHI, MD 20783
Psychologist (School)
8908 RIGGS RD
ADELPHI, MD 20783
Pediatrics
8908 RIGGS RD
ADELPHI, MD 20783
Psychologist (School)
8908 RIGGS RD
ADELPHI, MD 20783
Psychologist (School)
8908 RIGGS RD
ADELPHI, MD 20783

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 Riayn Mack's NPI number?

The NPI number for Riayn Mack is 1164397865. It was assigned to this individual provider in the NPPES registry on October 10, 2025.

Where is Riayn Mack located?

Riayn Mack practices at 8908 Riggs Rd, Adelphi, MD 20783. The listed phone number is (301) 431-5630.

What is Riayn Mack'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 Riayn Mack was last updated on October 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.