Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1235270851 Individual Practitioner Male Practitioner

Dr. Christopher Arrillaga , PsyD

Psychologist • Austin, TX

Professional Overview & Biography Verified Profile Summary

Dr. Christopher Arrillaga, PsyD is a registered healthcare professional specializing in Psychologist in Austin, TX. Practice services are available at 4310 MEDICAL PKWY STE 101 under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

4310 Medical Pkwy Ste 101

Austin, TX 787563331

Telephone 5109266767
Fax 5126311523
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Psychologist in Austin, TX

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 20.3 Yrs
State Avg: 22.8 Yrs
Regional Practice Density
257 Specialists

Practicing in Austin, TX (2266 Statewide)

Telehealth Adoption Rate
5.1% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2026-06-05
Psychologist Primary Specialty

NUCC Taxonomy Code: 103T00000X

State License TX 38770

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.

Psychologist

NUCC Taxonomy Code: 103T00000X

State License CA 24379

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.

Psychologist - Clinical

NUCC Taxonomy Code: 103TC0700X

State License CA PSY24379

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

Practice Associates & Co-Workers

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

6 Associated Practitioners
Pamela Schaber

Psychologist - Clinical

NPI 1245708643
Dr. Melissa Lehmann , PhD

Psychologist - Clinical

NPI 1316897150

Doctor of Philosophy (Ph.D.)

Dr. Katherine Thomas , PhD

Psychologist - Clinical

NPI 1710623723

Doctor of Philosophy (Ph.D.)

Dr. Lionel Chudzik , PhD

Psychologist - Clinical

NPI 1760103402

Doctor of Philosophy (Ph.D.)

NPI 1942339288

Doctor of Philosophy (Ph.D.)

Dr. Stephen Finn , PhD

Psychologist - Clinical

NPI 1962516419

Doctor of Philosophy (Ph.D.)

Career & Practice History Timeline

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

15 Historical Events
📍
Updated Practice Location June 05, 2026

Registered at 4310 MEDICAL PKWY STE 101, AUSTIN, TX 787563331 (Tel: 5109266767)

📍
Updated Business Mailing Address June 05, 2026

Registered at 4310 MEDICAL PKWY STE 101, AUSTIN, TX 787563331 (Tel: 5109266767)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 05, 2026

Psychologist (License #38770 in TX)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 02, 2018

Psychologist

NPI Profile Active February 13, 2018

NPI status registered as active in NPPES database

📍
Updated Practice Location February 13, 2018

Registered at 3120 TELEGRAPH AVE, SUITE 8, BERKELEY, CA 947051900 (Tel: 5109266767)

📍
Updated Business Mailing Address February 13, 2018

Registered at 3120 TELEGRAPH AVENUE, SUITE 8, BERKELEY, CA 947051965 (Tel: 5109266767)

👤
Provider Name / Credentials Updated February 13, 2018

Recorded as CHRISTOPHER ARRILLAGA, PSYD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 13, 2018

Psychologist

NPI Profile Active September 03, 2013

NPI status registered as active in NPPES database

📍
Updated Practice Location September 03, 2013

Registered at 3120 TELEGRAPH AVE, SUITE 8, BERKELEY, CA 947051900 (Tel: 5109266767)

📍
Updated Business Mailing Address September 03, 2013

Registered at 3120 TELEGRAPH AVENUE, SUITE 8, BERKELEY, CA 947051965 (Tel: 5109266767)

👤
Provider Name / Credentials Updated September 03, 2013

Recorded as CHRISTOPHER ARRILLAGA, PSYD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 03, 2013

Psychologist (License #PSY24379 in CA)

🟢
Initial NPI Registration & Enumeration February 08, 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: 1235270851
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: February 08, 2007
Last Update: June 05, 2026
Sole Proprietor: No

Mailing Address

4310 Medical Pkwy Ste 101

Austin, TX 787563331

Phone: 5109266767

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.