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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. MARY K SUMMERS PSY.D.
NPI 1619925054
Psychologist - Clinical in Merrillville, IN

Active since May 05, 2006
8925 BROADWAY, MERRILLVILLE, IN 46410(219) 736-6220 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Mary K Summers Psy.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARY K SUMMERS PSY.D. (NPI 1619925054) is an individual clinical provider in Merrillville, Indiana, licensed in Indiana (20040365) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1619925054
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameDR. MARY K SUMMERSCredential: PSY.D.
Location Address8925 BROADWAYMerrillville, IN 46410-7039
Mailing Address1819 Forest LnCrown Point, IN 46307-9319 · (219) 988-2903
Phone(219) 736-6220
Sole ProprietorNo
Enumeration DateMay 5, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1619925054 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in IN · 20040365
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
8925 BROADWAY, Merrillville, IN 46410
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Other Identifiers 1

OtherI011554IN · Champus

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ASSOCIATES IN CLINICAL PRACTICE
Psychologist (Clinical)
8925 BROADWAY
MERRILLVILLE, IN 46410
Lake County (219) 736-6220
DR. TODD ALISON SNYDER PSY.D.
Psychologist (Clinical)
8925 BROADWAY
MERRILLVILLE, IN 46410
Lake County (219) 736-6220

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary Summers's NPI number?

The NPI number for Mary Summers is 1619925054. It was assigned to this individual provider in the NPPES registry on May 5, 2006.

Where is Mary Summers located?

Mary Summers practices at 8925 Broadway, Merrillville, IN 46410. The listed phone number is (219) 736-6220.

What is Mary Summers's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for Mary Summers was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.