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Deactivated NPI 1023557139 Deactivated / Inactive NPI Male Practitioner

Dr. Stephen Grissom , PhD

Psychologist • Tulsa, OK

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Notice of NPI Deactivation & Inactive Practice Status

According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. Stephen Grissom has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date February 22, 2017
NPI Deactivation Date March 20, 2025
Total Practice Duration ~8 Years of Practice (2017 – 2025)

Professional Overview & Biography Verified Profile Summary

Dr. Stephen Grissom, PhD was a registered Psychologist practicing in Tulsa, OK. Throughout an active medical career spanning 8 years, Dr. Grissom provided care at the practice location at 3736 E 82ND PL until profile deactivation on 2025-03-20.

Practice Location & Contact Primary Location

Practice Address

3736 E 82nd Pl

Tulsa, OK 741371605

Telephone 9188991393

Specialty Benchmarks & Practice Insights

Comparative analytics for Psychologist in Tulsa, OK

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 33.8 Yrs
State Avg: 27.1 Yrs
Regional Practice Density
66 Specialists

Practicing in Tulsa, OK (284 Statewide)

Telehealth Adoption Rate
6.1% 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

Psychologist Primary Specialty

NUCC Taxonomy Code: 103T00000X

State License OK 467

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.

Career & Practice History Timeline

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

7 Historical Events
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NPI Profile Deactivated March 20, 2025

Record deactivated on March 20, 2025

NPI Profile Active February 22, 2017

NPI status registered as active in NPPES database

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Updated Practice Location February 22, 2017

Registered at 3736 E 82ND PL, TULSA, OK 741371605 (Tel: 9188991393)

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Updated Business Mailing Address February 22, 2017

Registered at 3736 E 82ND PL, TULSA, OK 741371605 (Tel: 9188991393)

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Provider Name / Credentials Updated February 22, 2017

Recorded as STEPHEN GRISSOM, PH.D.

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Medical Taxonomy / Specialty Registered (Primary Specialty) February 22, 2017

Psychologist (License #467 in OK)

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Initial NPI Registration & Enumeration February 22, 2017

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: 1023557139
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: February 22, 2017
Last Update: February 22, 2017
Deactivation Date: March 20, 2025

Mailing Address

3736 E 82nd Pl

Tulsa, OK 741371605

Phone: 9188991393

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.