Psychologist | Clinical Psychology

Dr. David Duncan, PSY.D.

1555 N Naperville Wheaton Rd, #115, Naperville, Illinois, 60563-1557

About Dr. David Duncan

Dr. David Duncan is a psychologist based in Naperville, Illinois who is specialized in Clinical Psychology. His current practice location is 1555 N Naperville Wheaton Rd, #115, Naperville. Patients can contact him at 630-375-7634. Dr. David Duncan, PSY.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1558589267.

Dr. David Duncan 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.

Practice Information

Dr. David Duncan'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. David Duncan
Specialization Clinical Psychology
Credentials PSY.D.
Gender Male
Practice Address: 1555 N Naperville Wheaton Rd, #115
Naperville, IL - 60563-1557

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.

NPI Number1558589267
NPI Enumeration Date: 20 Apr, 2007
NPI Last Update On: 08 Jul, 2007

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. David Duncan are as mentioned below.

License NumberSpecializationStateStatus
Clinical Psychology IllinoisPrimary

Mailing Address

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

Dr. David Duncan
2026 Colonial St,
Aurora, IL - 60503-4771
Phone: 630-898-4151

Book an Appointment with Dr. David Duncan

To schedule an appointment, contact Dr. David Duncan at 1555 N Naperville Wheaton Rd, #115, Naperville, Illinois or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. David Duncan:

Dr. David Duncan 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.

Yes, Dr. David Duncan 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. David Duncan practices at 1555 N Naperville Wheaton Rd, #115, Naperville, Illinois, 60563-1557.

To schedule an appointment with Dr. David Duncan, please contact the office at 630-375-7634.

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