Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1316912421 Individual Practitioner Male Practitioner

Dr. Thomas E. Sullivan , PhD

Psychologist • Fairfield, OH

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Thomas Sullivan, PhD is a certified Psychologist practicing in Fairfield, OH. With approximately 31 years of clinical experience since completing medical education in 1995, Dr. Sullivan delivers high-quality medical care to the local community at 2810 MACK RD.

Dr. Sullivan accepts Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

2810 Mack Rd

Fairfield, OH 450145130

Telephone 5138744530
Fax 5133463811
Associated Practice Facility / Clinic
🏢 Rachel M Sparn Llc Facility NPI 1558805713

Medicare Profile & Education

Medical School

Other

Graduation Year

1995

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Psychologist in Fairfield, OH

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
31 Yrs +9.3 yrs vs City Avg
City Avg: 21.7 Yrs
State Avg: 26.0 Yrs
Regional Practice Density
9 Specialists

Practicing in Fairfield, OH (1639 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Sullivan (31 Years) 31 Yrs
Fairfield Specialty Average (21.7 Years) 21.7 Yrs

Medical Specialties & State Licenses

Psychologist Primary Specialty

NUCC Taxonomy Code: 103T00000X

State License OH 5083

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.

Clinical Neuropsychologist

NUCC Taxonomy Code: 103G00000X

State License OH 5083

A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.

Additional State Medicaid & Healthcare Payer Identifiers

Commercial Insurance / Payer ID Value Options Provider Id
257968 (OH)
Commercial Insurance / Payer ID Anthem Id#
000000066833 (OH)
Commercial Insurance / Payer ID Value Options Vin
A294802 (OH)

Practice Associates & Co-Workers

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

4 Associated Practitioners
Dr. Mark Schroder , PsyD

Psychologist - Clinical

NPI 1154489417

Doctor of Psychology (Psy.D.)

Dr. Michelle Kilcoyne , PhD

Psychologist - Clinical

NPI 1295273340

Doctor of Philosophy (Ph.D.)

Dr. Linda Hartmann , PhD

Psychologist - Clinical

NPI 1619942638

Doctor of Philosophy (Ph.D.)

NPI 1801861372

Doctor of Philosophy (Ph.D.)

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active July 09, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 09, 2007

Registered at 2810 MACK RD, FAIRFIELD, OH 450145130 (Tel: 5138744530)

📍
Updated Business Mailing Address July 09, 2007

Registered at 2810 MACK RD, FAIRFIELD, OH 450145130 (Tel: 5138744530)

👤
Provider Name / Credentials Updated July 09, 2007

Recorded as THOMAS SULLIVAN, PH.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 09, 2007

Clinical Neuropsychologist (License #5083 in OH)

🟢
Initial NPI Registration & Enumeration February 22, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews
No patient reviews submitted yet for Dr. Thomas Sullivan. Be the first to share your experience!

Sign in to leave a review for Dr. Thomas Sullivan

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1316912421
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: February 22, 2006
Last Update: July 13, 2026
Sole Proprietor: No

Mailing Address

2810 Mack Rd

Fairfield, OH 450145130

Phone: 5138744530

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.