Psychologist | Clinical Psychology

Theodore James Chapin, PH.D.

4940 N Weaverridge Blvd, Peoria, Illinois, 61615-8910

About Theodore James Chapin

Theodore James Chapin is a psychologist based in Peoria, Illinois who is specialized in Clinical Psychology. His current practice location is 4940 N Weaverridge Blvd, Peoria. Patients can contact him at 309-689-0681. Theodore James Chapin, PH.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1255393039.

Theodore James Chapin 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

Theodore James Chapin'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 Theodore James Chapin
Specialization Clinical Psychology
Credentials PH.D.
Gender Male
Practice Address: 4940 N Weaverridge Blvd,
Peoria, IL - 61615-8910

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 Number1255393039
NPI Enumeration Date: 05 Apr, 2006
NPI Last Update On: 11 Sep, 2025

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 Theodore James Chapin are as mentioned below.

License NumberSpecializationStateStatus
Psychology IllinoisPrimary
Clinical Psychology IllinoisSecondary

Mailing Address

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

Theodore James Chapin
4940 N Weaverridge Blvd,
Peoria, IL - 61615-8910
Phone: 309-689-0681

Book an Appointment with Theodore James Chapin

To schedule an appointment, contact Theodore James Chapin at 4940 N Weaverridge Blvd, Peoria, Illinois or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Theodore James Chapin:

Theodore James Chapin is a psychologist specializing in Psychology. He 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.

Yes, Theodore James Chapin 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.

Theodore James Chapin practices at 4940 N Weaverridge Blvd, Peoria, Illinois, 61615-8910.

To schedule an appointment with Theodore James Chapin, please contact the office at 309-689-0681.

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