STEPHANIE MARIE SULLIVAN MS, LMFT
NPI 1255828307
Marriage & Family Therapist in Valparaiso, IN

Q: What is Stephanie Sullivan's NPI number?

The NPI number for Stephanie Sullivan is 1255828307. It was assigned to this individual provider in the NPPES registry on April 15, 2018.

Q: What is Stephanie Sullivan's specialty?

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

Active since April 15, 2018

4805 LYNN LN, VALPARAISO, IN 46383(248) 429-9195 Get Directions Write a Review

NPPES record last updated: January 30, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Jan 30, 2026, Apr 15, 2018 (2 updates tracked since 2018).

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About Stephanie Marie Sullivan Ms, Lmft NPPES

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

STEPHANIE MARIE SULLIVAN MS, LMFT (NPI 1255828307) is an individual marriage & family therapist in Valparaiso, Indiana, licensed in Indiana (35002289A) and active in the NPI registry since April 2018.

NPPES Registry Identity

NPI1255828307

Entity TypeIndividualFemale

Primary Taxonomy106H00000X

Provider Legal NameSTEPHANIE MARIE SULLIVANCredential: MS, LMFT

Location Address4805 LYNN LNValparaiso, IN 46383-1600

Mailing Address4805 Lynn LnValparaiso, IN 46383-1600 · (248) 429-9195

Phone(248) 429-9195

Sole ProprietorNo

Enumeration DateApril 15, 2018

Last NPPES UpdateJanuary 30, 20262 updates tracked since enumeration

NPPES CertifiedJanuary 30, 2026

✔ NPI 1255828307 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers

Taxonomy Code106H00000X

Licenses✔ Licensed in IN · 35002289A✔ Licensed in MI · 4101007160

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.

4805 LYNN LN, Valparaiso, IN 46383

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Other Providers at the Same Location NPPES

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

ATTUNEMENT LLC

Marriage & Family Therapist

4805 LYNN LN
VALPARAISO, IN 46383

Porter County (248) 429-9195

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 Stephanie Sullivan's NPI number?

The NPI number for Stephanie Sullivan is 1255828307. It was assigned to this individual provider in the NPPES registry on April 15, 2018.

Where is Stephanie Sullivan located?

Stephanie Sullivan practices at 4805 Lynn Ln, Valparaiso, IN 46383. The listed phone number is (248) 429-9195.

What is Stephanie Sullivan'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 Stephanie Sullivan was last updated on January 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.