Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1578314720 Individual Practitioner Male Practitioner

Dr. Greggory Allen Martin , PsyD

Psychologist • Columbus, OH

Professional Overview & Biography Verified Profile Summary

Dr. Greggory Martin, PsyD is a registered healthcare professional specializing in Psychologist in Columbus, OH. Practice services are available at 2050 KENNY RD under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

2050 Kenny Rd

Columbus, OH 432213502

Telephone 6142939600
Fax 6143661215
Associated Practice Facility / Clinic
🏢 Osu Neuroscience Center, Llc Facility NPI 1932199254

Specialty Benchmarks & Practice Insights

Comparative analytics for Psychologist in Columbus, OH

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 19.3 Yrs
State Avg: 26.0 Yrs
Regional Practice Density
228 Specialists

Practicing in Columbus, OH (1639 Statewide)

Telehealth Adoption Rate
14.5% 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: 2026-06-26
Psychologist Primary Specialty

NUCC Taxonomy Code: 103T00000X

State License OH APP-001024756

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.

Secondary Practice Locations

2500 Metrohealth Drive

Cleveland, OH 441091998

Phone: 2167784486

Practice Associates & Co-Workers

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

40 Associated Practitioners
Dr. Kevin Reeves , MD

Psychiatry & Neurology - Psychiatry

NPI 1003135245

Doctor of Medicine (M.D.)

NPI 1003137688

Doctor of Philosophy (Ph.D.)

Jessica Belser , APRNCNP

Nurse Practitioner - Psychiatric/Mental Health

NPI 1003248428

Advanced Practice Registered Nurse - Certified Nurse Practitioner

Nicole Hess , APRN-CNP

Nurse Practitioner

NPI 1003442450

Advanced Practice Registered Nurse - Certified Nurse Practitioner

Dr. Sabrina Sykes , PhD

Psychologist - Clinical

NPI 1003974403

Doctor of Philosophy (Ph.D.)

Dr. Julie Niedermier , MD

Psychiatry & Neurology - Psychiatry

NPI 1013966308

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

10 Historical Events
📍
Updated Practice Location June 26, 2026

Registered at 2050 KENNY RD, COLUMBUS, OH 432213502 (Tel: 6142939600)

📍
Updated Business Mailing Address June 26, 2026

Registered at 700 ACKERMAN RD STE 2120, COLUMBUS, OH 432021559 (Tel: 6142939600)

👤
Provider Name / Credentials Updated June 26, 2026

Recorded as GREGGORY MARTIN, PSYD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 26, 2026

Psychologist (License #APP-001024756 in OH)

NPI Profile Active March 27, 2024

NPI status registered as active in NPPES database

📍
Updated Practice Location March 27, 2024

Registered at 2500 METROHEALTH DRIVE, CLEVELAND, OH 441091998 (Tel: 2167784486)

📍
Updated Business Mailing Address March 27, 2024

Registered at 2227 WHISPERING COVE CIR, WESTLAKE, OH 441456608 (Tel: 4405520962)

👤
Provider Name / Credentials Updated March 27, 2024

Recorded as GREGGORY MARTIN, MA

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 27, 2024

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration March 27, 2024

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: 1578314720
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 27, 2024
Last Update: June 26, 2026
Sole Proprietor: No

Mailing Address

700 Ackerman Rd Ste 2120

Columbus, OH 432021559

Phone: 6142939600

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.