DR. CESAR A MEDINA-DIAZ PSY.D., M.A.
NPI 1144824921
Psychologist in Mayaguez, PR

Active since November 23, 2020
CARR #2 KM 150.4, MAYAGUEZ, PR 00680(787) 832-7262 Get Directions Write a Review

NPPES record last updated: November 3, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 3, 2025, Oct 7, 2025, Nov 23, 2020 (3 updates tracked since 2020).

About Dr. Cesar A Medina-diaz Psy.d., M.a. NPPES

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

DR. CESAR A MEDINA-DIAZ PSY.D., M.A. (NPI 1144824921) is an individual psychologist in Mayaguez, Puerto Rico, licensed in Puerto Rico (7383) and active in the NPI registry since November 2020.

NPPES Registry Identity

NPI1144824921
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameDR. CESAR A MEDINA-DIAZCredential: PSY.D., M.A.
Location AddressCARR #2 KM 150.4Mayaguez, PR 00680
Mailing AddressL28 Calle PinoSan Sebastian, PR 00685-2913 · (787) 832-7262
Sole ProprietorYes
Enumeration DateNovember 23, 2020
Last NPPES UpdateNovember 3, 20253 updates tracked since enumeration
NPPES CertifiedNovember 3, 2025
NPI 1144824921 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 PR · 7383
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.

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 Cesar Medina-diaz's NPI number?

The NPI number for Cesar Medina-diaz is 1144824921. It was assigned to this individual provider in the NPPES registry on November 23, 2020.

Where is Cesar Medina-diaz located?

Cesar Medina-diaz practices at Carr #2 Km 150.4, Mayaguez, PR 00680. The listed phone number is (787) 832-7262.

What is Cesar Medina-diaz'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 Cesar Medina-diaz was last updated on November 3, 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.