Psychologist | Clinical Psychology

Gregory S Chasson, PH.D.

1010 Lake St Ste 428, Oak Park, Illinois, 60301-1185

About Gregory S Chasson

Gregory S Chasson is a psychologist based in Oak Park, Illinois who is specialized in Clinical Psychology. Active license number of Gregory S Chasson is 04754 for Clinical Psychology in Maryland. His current practice location is 1010 Lake St Ste 428, Oak Park. Patients can contact him at 312-386-7511 or can fax him at 844-633-7262. Gregory S Chasson, PH.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1629239629.

Gregory S Chasson 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

Gregory S Chasson'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 Gregory S Chasson
Specialization Clinical Psychology
Credentials PH.D.
Gender Male
Practice Address: 1010 Lake St Ste 428,
Oak Park, IL - 60301-1185
Fax 844-633-7262

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 Number1629239629
NPI Enumeration Date: 23 Jun, 2008
NPI Last Update On: 08 Aug, 2016

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 Gregory S Chasson are as mentioned below.

License NumberSpecializationStateStatus
04754Clinical Psychology MarylandPrimary

Mailing Address

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

Gregory S Chasson
1010 Lake St Ste 428,
Oak Park, IL - 60301-1185
Phone: 312-386-7511
Fax: 844-633-7262

Book an Appointment with Gregory S Chasson

To schedule an appointment, contact Gregory S Chasson at 1010 Lake St Ste 428, Oak Park, Illinois or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Gregory S Chasson:

Gregory S Chasson 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, Gregory S Chasson 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.

Gregory S Chasson practices at 1010 Lake St Ste 428, Oak Park, Illinois, 60301-1185.

To schedule an appointment with Gregory S Chasson, please contact the office at 312-386-7511.

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