Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1063471027 Individual Practitioner Male Practitioner

Dr. Gregory N Lewis , PsyD

Psychologist - Clinical • Wheaton, IL

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Gregory Lewis, PsyD is a certified Psychologist - Clinical practicing in Wheaton, IL. With approximately 37 years of clinical experience since completing medical education in 1989, Dr. Lewis delivers high-quality medical care to the local community at 7 BLANCHARD CIR.

Dr. Lewis is affiliated with Alliance Clinical Associates Sc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

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

Practice Location & Contact Primary Location

Practice Address

7 Blanchard Cir
Suite 201

Wheaton, IL 601892039

Telephone 6306532300
Fax 6306532895
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

1989

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Psychologist - Clinical in Wheaton, IL

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
37 Yrs +15.3 yrs vs City Avg
City Avg: 21.7 Yrs
State Avg: 24.2 Yrs
Regional Practice Density
62 Specialists

Practicing in Wheaton, IL (4140 Statewide)

Telehealth Adoption Rate
22.6% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount
27.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Lewis (37 Years) 37 Yrs
Wheaton Specialty Average (21.7 Years) 21.7 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
282 21 $210.00 $151.84

Medical Specialties & State Licenses

CMS Verified: 2021-04-26
Psychologist - Clinical Primary Specialty

NUCC Taxonomy Code: 103TC0700X

State License IL 071-004107

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

Psychologist

NUCC Taxonomy Code: 103T00000X

State License IL 071004107

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.

Additional State Medicaid & Healthcare Payer Identifiers

Commercial Insurance / Payer ID Blue Cross Blue Shield
02215643 (IL)

Hospital & Practice Group Affiliations

Alliance Clinical Associates Sc

7 Blanchard Cir, Wheaton, IL 601892039

Phone: 6306532300

Alliance Clinical Associates Sc

7 Blanchard Circle, Wheaton, IL 601892039

Practice Associates & Co-Workers

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

36 Associated Practitioners
Dr. Barrett Mcray , PsyD

Psychologist - Clinical

NPI 1013976000

Doctor of Psychology (Psy.D.)

Dr. Robert Marseilles , MD, JD

Psychiatry & Neurology - Psychiatry

NPI 1053568766

Doctor of Medicine (M.D.), JD

NPI 1083673420

Doctor of Philosophy (Ph.D.)

NPI 1083683387

Licensed Clinical Professional Counselor, Licensed Marriage and Family Therapist

Dr. Migdalia Sotir , MD

Psychiatry & Neurology - Psychiatry

NPI 1083771539

Doctor of Medicine (M.D.)

Dr. Connie Valentini , PsyD

Psychologist - Clinical

NPI 1104885334

Doctor of Psychology (Psy.D.)

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active March 14, 2013

NPI status registered as active in NPPES database

📍
Updated Practice Location March 14, 2013

Registered at 7 BLANCHARD CIR, SUITE 201, WHEATON, IL 601892039 (Tel: 6306532300)

📍
Updated Business Mailing Address March 14, 2013

Registered at 7 BLANCHARD CIR, SUITE 201, WHEATON, IL 601892037 (Tel: 6306532300)

👤
Provider Name / Credentials Updated March 14, 2013

Recorded as GREGORY LEWIS, PSY.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 14, 2013

Psychologist (License #071004107 in IL)

🟢
Initial NPI Registration & Enumeration March 20, 2006

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: 1063471027
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 20, 2006
Last Update: April 26, 2021
Sole Proprietor: Yes

Mailing Address

7 Blanchard Cir, Suite 201

Wheaton, IL 601892037

Phone: 6306532300

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.