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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.

MR. J. MARK KILLMER LMFT
NPI 1730121245
Marriage & Family Therapist in Munster, IN

Active since June 11, 2006
8955 COLUMBIA AVE, MUNSTER, IN 46321(219) 923-8110(219) 923-8126 Get Directions Write a Review

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

About Mr. J. Mark Killmer Lmft NPPES

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

MR. J. MARK KILLMER LMFT (NPI 1730121245) is an individual marriage & family therapist in Munster, Indiana, licensed in Indiana (35000188A) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1730121245
Entity TypeIndividualMale
Primary Taxonomy106H00000X
Provider Legal NameMR. J. MARK KILLMERCredential: LMFT
Location Address8955 COLUMBIA AVEMunster, IN 46321-2903
Mailing Address8955 Columbia AveMunster, IN 46321-2903 · (219) 923-8110 · Fax (219) 923-8126
Phone(219) 923-8110
Fax(219) 923-8126
Sole ProprietorNo
Enumeration DateJune 11, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1730121245 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
License✔ Licensed in IN · 35000188A
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
8955 COLUMBIA AVE, Munster, IN 46321
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Other Providers at the Same Location NPPES 14

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

PATRICIA E DONOVAN MSW, LSW
Counselor (Mental Health)
8955 COLUMBIA AVE
MUNSTER, IN 46321
Lake County (219) 923-8110
JOAN B CLARE LCSW
Counselor (Mental Health)
8955 COLUMBIA AVE
MUNSTER, IN 46321
Lake County (219) 923-8110
BRENDAN JAMEYFIELD LCSW
Social Worker (Clinical)
8955 COLUMBIA AVE
MUNSTER, IN 46321
Lake County (219) 301-2815
THOMAS LEMKE LMFT
Marriage & Family Therapist
8955 COLUMBIA AVE
MUNSTER, IN 46321
Lake County (219) 923-8110
KATHY TAYLOR LITTLE LCSW
Social Worker (Clinical)
8955 COLUMBIA AVE
MUNSTER, IN 46321
Lake County (219) 923-8110
MRS. SANDRA J GRANO-VRBANOFF LCSW
Social Worker (Clinical)
8955 COLUMBIA AVE
MUNSTER, IN 46321
Lake County (219) 923-8110
SAMARITAN CENTER ON THE RIDGE
Counselor (Mental Health)
8955 COLUMBIA AVE
MUNSTER, IN 46321
Lake County (219) 923-8110
MARION LOIS LARSON BELCHER LMHC
Counselor (Mental Health)
8955 COLUMBIA AVE
MUNSTER, IN 46321
Lake County (219) 923-8110

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 J. Killmer's NPI number?

The NPI number for J. Killmer is 1730121245. It was assigned to this individual provider in the NPPES registry on June 11, 2006.

Where is J. Killmer located?

J. Killmer practices at 8955 Columbia Ave, Munster, IN 46321. The listed phone number is (219) 923-8110.

What is J. Killmer's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

When was this NPI record last updated?

The NPPES record for J. Killmer 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.