MRS. LAUREN RACHELLE OESTMANN LCSW
NPI 1174196455
Counselor - Mental Health in Carterville, IL

Active since July 23, 2021PECOS Enrolled
6000 LAKEVIEW DR, CARTERVILLE, IL 62918(618) 889-1094 Get Directions Write a Review

NPPES record last updated: July 23, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mrs. Lauren Rachelle Oestmann Lcsw NPPES

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

MRS. LAUREN RACHELLE OESTMANN LCSW (NPI 1174196455) is an individual mental health provider in Carterville, Illinois, licensed in Illinois (149.014605) and active in the NPI registry since July 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1174196455
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameMRS. LAUREN RACHELLE OESTMANNCredential: LCSW
Location Address6000 LAKEVIEW DRCarterville, IL 62918-3563
Mailing Address6000 Lakeview DrCarterville, IL 62918-3563 · (618) 889-1094
Sole ProprietorYes
Enumeration DateJuly 23, 2021
NPPES CertifiedJuly 23, 2021
✔ NPI 1174196455 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in IL · 149.014605
6000 LAKEVIEW DR, Carterville, IL 62918

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Lauren Rachelle Oestmann 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.

Medicare Billing Reassignment

Medicare enrollment records show Lauren Oestmann reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mental Health
66 W FLAGLER ST STE 900
Miami, FL 33130
  • Reassigned Medicare billing, Illinois enrollment
  • 581 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Oestmann's NPI number?

The NPI number for Lauren Oestmann is 1174196455. It was assigned to this individual provider in the NPPES registry on July 23, 2021.

Where is Lauren Oestmann located?

Lauren Oestmann practices at 6000 Lakeview Dr, Carterville, IL 62918. The listed phone number is (618) 889-1094.

What is Lauren Oestmann's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Lauren Oestmann enrolled in Medicare?

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

Which organization bills Medicare for Lauren Oestmann's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lauren Oestmann reassigns Medicare benefits to Grow Healthcare Group PA (Miami, FL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Lauren Oestmann's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Lauren Oestmann was last updated on July 23, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.