Dr. Marcel Alejandro De Dios , PhD
Psychologist • Houston, TX
Professional Overview & Biography Verified Profile Summary
Dr. Marcel De Dios, PhD is a certified Psychologist practicing in Houston, TX. With approximately 19 years of clinical experience since completing medical education in 2007, Dr. De Dios delivers high-quality medical care to the local community at 6550 FANNIN STREET.
Dr. De Dios maintains professional affiliations with Tmh Physician Associates Pllc, Houston Methodist Specialty Physicians and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.
Practice Location & Contact Primary Location
6550 Fannin Street
Smith Tower, Suite 1201
Houston, TX 77030
Medicare Profile & Education
Other
2007
✓ Accepts Assignment
Telehealth Services Available
Specialty Benchmarks & Practice Insights
Comparative analytics for Psychologist in Houston, TX
Practicing in Houston, TX (2266 Statewide)
✓ Offers Virtual Consultations
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Clinical Seniority & Experience Comparison
Medical Specialties & State Licenses
CMS Verified: 2025-06-06NUCC Taxonomy Code: 103T00000X
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.
Hospital & Practice Group Affiliations
Tmh Physician Associates Pllc
7575 San Felipe St, Houston, TX 770631777
Phone: 7132669955
Tmh Physician Associates Pllc
6550 Fannin St, Houston, TX 770302740
Houston Methodist Specialty Physicians
6445 Main St, Houston, TX 770301502
Phone: 7134413150
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Internal Medicine - Gastroenterology
Doctor of Medicine (M.D.)
Nurse Practitioner - Family
Family Nurse Practitioner
Internal Medicine
Doctor of Medicine (M.D.)
Student in an Organized Health Care Education/Training Program
Bachelor of Medicine, Bachelor of Surgery (M.B.B.S.)
Physician Assistant
Physician Assistant (Certified)
Internal Medicine - Gastroenterology
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at 6550 FANNIN STREET, SMITH TOWER, SUITE 1201, HOUSTON, TX 77030 (Tel: 7134413372)
Registered at 5139 JACKWOOD ST, HOUSTON, TX 770961415 (Tel: 3392357706)
Psychologist (License #36745 in TX)
NPI status registered as active in NPPES database
Registered at 345 BLACKSTONE BLVD, BUTLER HOSPITAL, WELD BUILDING ROOM 211, PROVIDENCE, RI 029064800 (Tel: 4014556645)
Registered at 345 BLACKSTONE BLVD, BUTLER HOSPITAL, WELD BUILDING ROOM 211, PROVIDENCE, RI 029064800 (Tel: 4014556645)
Recorded as MARCEL DE DIOS, PH.D.
Psychologist (License #PS01106 in RI)
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
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NPI Administrative Meta
Mailing Address
5139 Jackwood St
Houston, TX 770961415
Phone: 3392357706
This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.