Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1811020076 Individual Practitioner Male Practitioner

Dr. Mark Williams , PhD

Psychologist • Dallas, TX

Professional Overview & Biography Verified Profile Summary

Dr. Mark Williams, PhD is a certified Psychologist practicing in Dallas, TX. With approximately 25 years of clinical experience since completing medical education in 2001, Dr. Williams delivers high-quality medical care to the local community at 18170 DALLAS PKWY STE 502.

Dr. Williams does not directly accept Medicare assignment.

Frequently performed procedures and clinical services include health and behavior assessment each, psychotherapy, psychiatric diagnostic evaluation. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

18170 Dallas Pkwy Ste 502

Dallas, TX 752877151

Telephone 2143516600
Fax 2143516453
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

2001

Medicare Assignment

Not Specified

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Psychologist in Dallas, TX

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
25 Yrs +6.2 yrs vs City Avg
City Avg: 18.8 Yrs
State Avg: 22.8 Yrs
Regional Practice Density
263 Specialists

Practicing in Dallas, TX (2266 Statewide)

Telehealth Adoption Rate
9.1% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
50.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Williams (25 Years) 25 Yrs
Dallas Specialty Average (18.8 Years) 18.8 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2018)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
96150 Health and behavior assessment each 15 minutes
286 73 $46.00 $21.80
90837 Psychotherapy, 60 minutes
50 13 $258.01 $129.66

Medical Specialties & State Licenses

CMS Verified: 2024-07-22
Psychologist Primary Specialty

NUCC Taxonomy Code: 103T00000X

State License TX 32192

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.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

24 Associated Practitioners
William Palmer , LPC

Counselor - Professional

NPI 1003069394

Licensed Professional Counselor

Jocelyn Ortiz

Occupational Therapist

NPI 1053047381
NPI 1083325344

Doctor of Physical Therapy

Janice Keeley , PT

Physical Therapist

NPI 1114051067

Physical Therapist

Melanie Ngo

Occupational Therapist

NPI 1114778693
Dr. Ramon Cuencas-Zamora , PhD

Counselor - Professional

NPI 1164957528

Doctor of Philosophy (Ph.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events
📍
Updated Practice Location July 22, 2024

Registered at 18170 DALLAS PKWY STE 502, DALLAS, TX 752877151 (Tel: 2143516600)

📍
Updated Business Mailing Address July 22, 2024

Registered at 16227 SHADYBANK DR, DALLAS, TX 752482958 (Tel: 4698553008)

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 5701 MAPLE AVE, STE. 100, DALLAS, TX 752356519 (Tel: 2143516600)

📍
Updated Business Mailing Address July 08, 2007

Registered at 5701 MAPLE AVE, STE. 100, DALLAS, TX 752356519 (Tel: 2143516600)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as MARK WILLIAMS, PH.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Psychologist (License #32192 in TX)

🟢
Initial NPI Registration & Enumeration March 14, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1811020076
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 14, 2007
Last Update: July 22, 2024
Sole Proprietor: No

Mailing Address

16227 Shadybank Dr

Dallas, TX 752482958

Phone: 4698553008

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

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.