Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1558359828 Individual Practitioner Male Practitioner

Dr. John Ewing Harris , PhD

Psychologist • Springfield, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. John Harris, PhD is a certified Psychologist practicing in Springfield, IL. With approximately 51 years of clinical experience since graduating from Texas Tech University Health Science Center School Of Medicine in 1975, Dr. Harris delivers high-quality medical care to the local community at 2921 GREENBRIAR DR STE B1.

Dr. Harris is affiliated with Psychological Services Of Central Illinois Pc and accepts Medicare assignment.

Frequently performed procedures and clinical services include psychotherapy, psychiatric diagnostic evaluation. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2921 Greenbriar Dr Ste B1

Springfield, IL 627046440

Telephone 2175463118
Fax 2175463184
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Texas Tech University Health Science Center School Of Medicine

Graduation Year

1975

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Psychologist in Springfield, IL

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
51 Yrs +12.0 yrs vs City Avg
City Avg: 39.0 Yrs
State Avg: 25.1 Yrs
Regional Practice Density
8 Specialists

Practicing in Springfield, IL (1075 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
22.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Harris (51 Years) 51 Yrs
Springfield Specialty Average (39.0 Years) 39.0 Yrs

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
265 20 $190.00 $147.66

Medical Specialties & State Licenses

CMS Verified: 2021-02-14
Psychologist Primary Specialty

NUCC Taxonomy Code: 103T00000X

State License IL 071005273

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.

Hospital & Practice Group Affiliations

Psychological Services Of Central Illinois Pc

2921 Greenbriar Dr, Springfield, IL 627046440

Phone: 2175463118

Practice Associates & Co-Workers

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

6 Associated Practitioners
Dr. Richard Dimond , PhD

Psychologist - Clinical

NPI 1548212145

Doctor of Philosophy (Ph.D.)

Dr. Joanne Moussette , PsyD

Psychologist - Clinical

NPI 1750332037

Doctor of Psychology (Psy.D.)

Georgia Winson , MS, LCPC

Counselor - Professional

NPI 1780332775

Master of Science, Licensed Clinical Professional Counselor

Dr. Keith Buescher , PhD

Psychologist - Clinical

NPI 1841242450

Doctor of Philosophy (Ph.D.)

Dr. Sheryl Reminger , PhD

Psychologist - Clinical

NPI 1861650525

Doctor of Philosophy (Ph.D.)

Dr. Alicia Shapinsky , PhD

Psychologist - Clinical

NPI 1952652331

Doctor of Philosophy (Ph.D.)

Career & Practice History Timeline

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

9 Historical Events
📍
Updated Practice Location February 14, 2021

Registered at 2921 GREENBRIAR DR STE B1, SPRINGFIELD, IL 627046440 (Tel: 2175463118)

📍
Updated Business Mailing Address February 14, 2021

Registered at 2921 GREENBRIAR DR STE B1, SPRINGFIELD, IL 627046440 (Tel: 2175463118)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 14, 2021

Psychologist (License #071005273 in IL)

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 1020 S 5TH ST, SPRINGFIELD, IL 627032312 (Tel: 2175443143)

📍
Updated Business Mailing Address July 08, 2007

Registered at 1020 S 5TH ST, SPRINGFIELD, IL 627032312 (Tel: 2175443143)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as JOHN HARRIS, PHD

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

Psychologist

🟢
Initial NPI Registration & Enumeration October 11, 2005

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: 1558359828
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: October 11, 2005
Last Update: February 14, 2021
Sole Proprietor: No

Mailing Address

2921 Greenbriar Dr Ste B1

Springfield, IL 627046440

Phone: 2175463118

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.