Psychologist | Clinical Psychology

Dr. Nathaniel Sahyouni, PSYD

111 N Wabash Ave Ste 1400, Chicago, Illinois, 60602-3074

About Dr. Nathaniel Sahyouni

Dr. Nathaniel Sahyouni is a psychologist based in Chicago, Illinois who is specialized in Clinical Psychology. Active license number of Dr. Nathaniel Sahyouni is 071.009970 for Clinical Psychology in Illinois. His current practice location is 111 N Wabash Ave Ste 1400, Chicago. Patients can contact him at 312-436-1657. Dr. Nathaniel Sahyouni, PSYD, specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1609333962.

Dr. Nathaniel Sahyouni 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. Nathaniel Sahyouni'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. Nathaniel Sahyouni
Specialization Clinical Psychology
Credentials PSYD
Gender Male
Practice Address: 111 N Wabash Ave Ste 1400,
Chicago, IL - 60602-3074

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 Number1609333962
NPI Enumeration Date: 22 Feb, 2019
NPI Last Update On: 22 Feb, 2019

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. Nathaniel Sahyouni are as mentioned below.

License NumberSpecializationStateStatus
071.009970Clinical 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. Nathaniel Sahyouni
111 N Wabash Ave Ste 1400,
Chicago, IL - 60602-3074
Phone: 312-436-1657

Book an Appointment with Dr. Nathaniel Sahyouni

To schedule an appointment, contact Dr. Nathaniel Sahyouni at 111 N Wabash Ave Ste 1400, Chicago, Illinois or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Nathaniel Sahyouni:

Dr. Nathaniel Sahyouni 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. Nathaniel Sahyouni 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. Nathaniel Sahyouni practices at 111 N Wabash Ave Ste 1400, Chicago, Illinois, 60602-3074.

To schedule an appointment with Dr. Nathaniel Sahyouni, please contact the office at 312-436-1657.

Reviews & Feedback

Have you visited Dr. Nathaniel Sahyouni? Share your experience to help others looking for a psychologist in Chicago, IL.

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