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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

LAUREN KAY PETERSON LCSW
NPI 1891796827
Social Worker - Clinical in Merrillville, IN

Active since August 01, 2005PECOS Enrolled
1409 EAST 84TH PLACE, MERRILLVILLE, IN 46410(219) 794-2000(219) 794-2010 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Lauren Kay Peterson Lcsw NPPES

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

LAUREN KAY PETERSON LCSW (NPI 1891796827) is an individual clinical provider in Merrillville, Indiana, licensed in Indiana (34004699A) and active in the NPI registry since August 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1891796827
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameLAUREN KAY PETERSONCredential: LCSW
Location Address1409 EAST 84TH PLACEMerrillville, IN 46410
Mailing Address8400 Louisiana StreetMerrillville, IN 46410 · (219) 757-1928 · Fax (219) 757-1950
Phone(219) 794-2000
Fax(219) 794-2010
Sole ProprietorNo
Enumeration DateAugust 1, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1891796827 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in IN · 34004699A
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
1409 EAST 84TH PLACE, Merrillville, IN 46410
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Other Identifiers 1

Other000000358156Not Specified

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lauren Kay Peterson Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46410 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $53.07 – $161.76
Typical copayment $0.00 (range $13.26 – $40.44)
Most-billed visit code NA
Established Patient
$66.48 typical visit price
range $16.93 – $132.22
Typical copayment $16.62 (range $4.23 – $33.05)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

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

JULIE ANN VILLARREAL LCSW
Social Worker (Clinical)
1409 EAST 84TH PLACE
MERRILLVILLE, IN 46410
Lake County (219) 794-2000

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 Lauren Peterson's NPI number?

The NPI number for Lauren Peterson is 1891796827. It was assigned to this individual provider in the NPPES registry on August 1, 2005.

Where is Lauren Peterson located?

Lauren Peterson practices at 1409 East 84th Place, Merrillville, IN 46410. The listed phone number is (219) 794-2000.

What is Lauren Peterson's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Lauren Peterson enrolled in Medicare?

Yes. Lauren Peterson is registered in the Medicare PECOS enrollment system.

What insurance does Lauren Peterson accept?

Health plans from CareSource and UnitedHealthcare list Lauren Peterson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Lauren Peterson 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 37 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.