Independent US Healthcare Provider Directory & Public Medical Database
Deactivated NPI 1134221690 Deactivated / Inactive NPI Male Practitioner

Dr. Thomas Deshler , PhD

Psychologist • Oregon City, OR

⚠️

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. Thomas Deshler has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date September 03, 2006
NPI Deactivation Date June 11, 2026
Total Practice Duration ~20 Years of Practice (2006 – 2026)

Professional Overview & Biography Verified Profile Summary

Dr. Thomas Deshler, PhD was a registered Psychologist practicing in Oregon City, OR. Throughout an active medical career spanning 20 years, Dr. Deshler provided care at the practice location at 610 JEFFERSON ST until profile deactivation on 2026-06-11.

Historical Medicare Part B clinical services included psychotherapy, psychiatric diagnostic evaluation. Public procedure reimbursement records and service volume details are provided below for historical transparency.

Practice Location & Contact Primary Location

Practice Address

610 Jefferson St

Oregon City, OR 970452329

Telephone 5036577235
Fax 5036577676
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Psychologist in Oregon City, OR

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 11.0 Yrs
State Avg: 18.9 Yrs
Regional Practice Density
4 Specialists

Practicing in Oregon City, OR (780 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
38.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
90837 Psychotherapy, 60 minutes
108 23 $243.89 $150.95
90791 Psychiatric diagnostic evaluation
17 17 $280.88 $174.13

Medical Specialties & State Licenses

Psychologist Primary Specialty

NUCC Taxonomy Code: 103T00000X

State License OR 0817

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

8 Associated Practitioners
Dr. Michelle Dykstra , PhD

Psychologist - Clinical

NPI 1013072586

Doctor of Philosophy (Ph.D.)

Dr. Norvin Cooley , PhD

Psychologist - Clinical

NPI 1154479665

Doctor of Philosophy (Ph.D.)

Dr. Ava Marie Stone , PhD

Psychologist - Clinical

NPI 1326103805

Doctor of Philosophy (Ph.D.)

Dr. Susan Preston , PhD

Psychologist - Clinical

NPI 1396893806

Doctor of Philosophy (Ph.D.)

Dr. Deborah White , PhD

Psychologist - Clinical

NPI 1568510063

Doctor of Philosophy (Ph.D.)

Dr. Jerry Larsen , MD PC

Psychiatry & Neurology - Psychiatry

NPI 1861546673

MDPC

Career & Practice History Timeline

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

7 Historical Events
⚠️
NPI Profile Deactivated June 11, 2026

Record deactivated on June 11, 2026

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 610 JEFFERSON ST, OREGON CITY, OR 970452329 (Tel: 5036577235)

📍
Updated Business Mailing Address July 08, 2007

Registered at 610 JEFFERSON ST, OREGON CITY, OR 970452329 (Tel: 5036577235)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as THOMAS DESHLER, PH.D.

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

Psychologist (License #0817 in OR)

🟢
Initial NPI Registration & Enumeration September 03, 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 Deshler. Be the first to share your experience!

Sign in to leave a review for Dr. Thomas Deshler

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

NPI Administrative Meta

NPI Number: 1134221690
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: September 03, 2006
Last Update: July 08, 2007
Deactivation Date: June 11, 2026

Mailing Address

610 Jefferson St

Oregon City, OR 970452329

Phone: 5036577235

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.