Psychologist | General Psychology | 37+ years experience

Dr. Gregory N Lewis, PSY.D.

7 Blanchard Cir, Suite 201, Wheaton, Illinois, 60189-2039

About Dr. Gregory N Lewis

Dr. Gregory N Lewis is a psychologist based in Wheaton, Illinois with 37 years of experience in General Psychology. He completed his graduation in 1989. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. Gregory N Lewis is 071-004107 for Clinical Psychology in Illinois. His current practice location is 7 Blanchard Cir, Suite 201, Wheaton. Patients can contact him at 630-653-2300 or can fax him at 630-653-2895. Dr. Gregory N Lewis, PSY.D., specializes in General Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1063471027.

Dr. Gregory N Lewis is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He can diagnose and treat 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 by psycheducational evaluation, therapy, remediation, and consultation.

Practice Information

Dr. Gregory N Lewis's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Dr. Gregory N Lewis
Specialization General Psychology
Credentials PSY.D.
Accepts Medicare Assignment Yes
Experience 37+ years
Graduation Year 1989
Gender Male
Practice Address: 7 Blanchard Cir, Suite 201
Wheaton, IL - 60189-2039
Fax 630-653-2895

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

PAC ID 9638150311
Enrollment ID I20040527001150
NPI Number1063471027
NPI Enumeration Date: 20 Mar, 2006
NPI Last Update On: 26 Apr, 2021

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Dr. Gregory N Lewis are as mentioned below.

License NumberSpecializationStateStatus
071-004107Clinical Psychology IllinoisPrimary
071004107General Psychology IllinoisSecondary

Group Practice

Group practices are practice of medicine by a group of healthcare professionals who share their premises and other resources. Following list states all the group name with which Dr. Gregory N Lewis is associated with along with the number of members in that group.
Organization Name (Group PAC ID) Members
Alliance Clinical Associates Sc (0143202572)7

Other Medical Identifiers

Other professional identifiers associated with Dr. Gregory N Lewis such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
02215643OtherIllinoisBLUE CROSS BLUE SHIELD

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Dr. Gregory N Lewis
7 Blanchard Cir, Suite 201
Wheaton, IL - 60189-2037
Phone: 630-653-2300
Fax: 630-653-2895

Book an Appointment with Dr. Gregory N Lewis

To schedule an appointment, contact Dr. Gregory N Lewis at 7 Blanchard Cir, Suite 201, Wheaton, Illinois or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Gregory N Lewis:

Dr. Gregory N Lewis is a psychologist specializing in Clinical Psychology. He is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Dr. Gregory N Lewis has approximately 37 years of experience in Clinical Psychology.

Yes, Dr. Gregory N Lewis accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Dr. Gregory N Lewis is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Dr. Gregory N Lewis practices at 7 Blanchard Cir, Suite 201, Wheaton, Illinois, 60189-2039.

To schedule an appointment with Dr. Gregory N Lewis, please contact the office at 630-653-2300.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.