Psychologist | General Psychology

Nicholas James Constantine, PSY.D.

8315 Virginia St, Suite H, Merrillville, Indiana, 46410-9201

About Nicholas James Constantine

Nicholas James Constantine is a psychologist based in Merrillville, Indiana who is specialized in General Psychology. Active license number of Nicholas James Constantine is 20041975A for General Psychology in Indiana. His current practice location is 8315 Virginia St, Suite H, Merrillville. Patients can contact him at 219-736-7320. Nicholas James Constantine, PSY.D., specializes in General Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1083850267.

Nicholas James Constantine 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.

Practice Information

Nicholas James Constantine'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 Nicholas James Constantine
Specialization General Psychology
Credentials PSY.D.
Gender Male
Practice Address: 8315 Virginia St, Suite H
Merrillville, IN - 46410-9201

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 Number1083850267
NPI Enumeration Date: 18 Dec, 2008
NPI Last Update On: 18 Dec, 2008

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 Nicholas James Constantine are as mentioned below.

License NumberSpecializationStateStatus
20041975AGeneral 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.

Nicholas James Constantine
8315 Virginia St, Suite H
Merrillville, IN - 46410-9201
Phone: 219-736-7320

Book an Appointment with Nicholas James Constantine

To schedule an appointment, contact Nicholas James Constantine at 8315 Virginia St, Suite H, Merrillville, Indiana or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Nicholas James Constantine:

Nicholas James Constantine is a psychologist specializing in General 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, Nicholas James Constantine 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.

Nicholas James Constantine practices at 8315 Virginia St, Suite H, Merrillville, Indiana, 46410-9201.

To schedule an appointment with Nicholas James Constantine, please contact the office at 219-736-7320.

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