Psychologist | Clinical Psychology

Dr. Mary K Summers, PSY.D.

8925 Broadway, Merrillville, Indiana, 46410-7039

About Dr. Mary K Summers

Dr. Mary K Summers is a psychologist based in Merrillville, Indiana who is specialized in Clinical Psychology. Active license number of Dr. Mary K Summers is 20040365 for Clinical Psychology in Indiana. Her current practice location is 8925 Broadway, Merrillville. Patients can contact her at 219-736-6220. Dr. Mary K Summers, PSY.D., specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1619925054.

Dr. Mary K Summers 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). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Dr. Mary K Summers'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. Mary K Summers
Specialization Clinical Psychology
Credentials PSY.D.
Gender Female
Practice Address: 8925 Broadway,
Merrillville, IN - 46410-7039

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 Number1619925054
NPI Enumeration Date: 05 May, 2006
NPI Last Update On: 13 Jul, 2026

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. Mary K Summers are as mentioned below.

License NumberSpecializationStateStatus
20040365Clinical Psychology IndianaPrimary

Other Medical Identifiers

Other professional identifiers associated with Dr. Mary K Summers such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
I011554OtherIndianaCHAMPUS

Mailing Address

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

Dr. Mary K Summers
1819 Forest Ln,
Crown Point, IN - 46307-9319
Phone: 219-988-2903

Book an Appointment with Dr. Mary K Summers

To schedule an appointment, contact Dr. Mary K Summers at 8925 Broadway, Merrillville, Indiana or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Mary K Summers:

Dr. Mary K Summers is a psychologist specializing in Clinical Psychology. She 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). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Yes, Dr. Mary K Summers 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. Mary K Summers practices at 8925 Broadway, Merrillville, Indiana, 46410-7039.

To schedule an appointment with Dr. Mary K Summers, please contact the office at 219-736-6220.

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