Psychologist | Clinical Psychology

Dr. Terry Steven Trepper, PH.D.

7137 Knickerbocker Pkwy, Hammond, Indiana, 46323-2030

About Dr. Terry Steven Trepper

Dr. Terry Steven Trepper is a psychologist based in Hammond, Indiana who is specialized in Clinical Psychology. Active license number of Dr. Terry Steven Trepper is 20040166A for Clinical Psychology in Indiana. His current practice location is 7137 Knickerbocker Pkwy, Hammond. Patients can contact him at 219-989-2541 or can fax him at 219-989-2008. Dr. Terry Steven Trepper, PH.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1366599284.

Dr. Terry Steven Trepper 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. Terry Steven Trepper'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. Terry Steven Trepper
Specialization Clinical Psychology
Credentials PH.D.
Gender Male
Practice Address: 7137 Knickerbocker Pkwy,
Hammond, IN - 46323-2030
Fax 219-989-2008

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 Number1366599284
NPI Enumeration Date: 04 Jan, 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. Terry Steven Trepper are as mentioned below.

License NumberSpecializationStateStatus
20040166AClinical Psychology IndianaPrimary

Mailing Address

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

Dr. Terry Steven Trepper
Po Box 9261,
Highland, IN - 46322-9261
Phone: 219-989-2541
Fax: 219-989-2008

Book an Appointment with Dr. Terry Steven Trepper

To schedule an appointment, contact Dr. Terry Steven Trepper at 7137 Knickerbocker Pkwy, Hammond, Indiana or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Terry Steven Trepper:

Dr. Terry Steven Trepper 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. Terry Steven Trepper 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. Terry Steven Trepper practices at 7137 Knickerbocker Pkwy, Hammond, Indiana, 46323-2030.

To schedule an appointment with Dr. Terry Steven Trepper, please contact the office at 219-989-2541.

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