Psychologist | Clinical Psychology

Dr. Dennis John Simon, PH.D.

901 S Waiola Ave, La Grange, Illinois, 60525-2740

About Dr. Dennis John Simon

Dr. Dennis John Simon is a psychologist based in La Grange, Illinois who is specialized in Clinical Psychology. His current practice location is 901 S Waiola Ave, La Grange. Patients can contact him at 708-579-3858. Dr. Dennis John Simon, PH.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1104917640.

Dr. Dennis John Simon 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. Dennis John Simon'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. Dennis John Simon
Specialization Clinical Psychology
Credentials PH.D.
Gender Male
Practice Address: 901 S Waiola Ave,
La Grange, IL - 60525-2740

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 Number1104917640
NPI Enumeration Date: 28 Sep, 2006
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. Dennis John Simon 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. Dennis John Simon
901 S Waiola Ave,
La Grange, IL - 60525-2740
Phone: 708-579-3858

Book an Appointment with Dr. Dennis John Simon

To schedule an appointment, contact Dr. Dennis John Simon at 901 S Waiola Ave, La Grange, Illinois or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Dennis John Simon:

Dr. Dennis John Simon 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. Dennis John Simon 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. Dennis John Simon practices at 901 S Waiola Ave, La Grange, Illinois, 60525-2740.

To schedule an appointment with Dr. Dennis John Simon, please contact the office at 708-579-3858.

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