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GEMSWITHIN
NPI 1043804750
Social Worker - Clinical in Merrillville, IN

Active since February 23, 2021
7863 BROADWAY STE 115, MERRILLVILLE, IN 46410(219) 779-0509 Get Directions Write a Review

NPPES record last updated: March 10, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 10, 2026, Feb 23, 2021 (2 updates tracked since 2021).

About Gemswithin NPPES

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

GEMSWITHIN (NPI 1043804750) is a healthcare organization registered as a clinical in Merrillville, Indiana and active in the NPI registry since February 2021. The organization lists Lynn Mcdonald, Credentialing, as its authorized official.

NPPES Registry Identity

NPI1043804750
Entity TypeOrganization
Primary Taxonomy1041C0700X
Legal Business NameGEMSWITHIN
Location Address7863 BROADWAY STE 115Merrillville, IN 46410-5564
Mailing Address7863 Broadway Ste 115Merrillville, IN 46410-5564 · (219) 779-0509
Phone(219) 779-0509
Organization SubpartNo
Authorized OfficialLynn McdonaldCredentialing · (219) 769-1670
Enumeration DateFebruary 23, 2021
Last NPPES UpdateMarch 10, 20262 updates tracked since enumeration
NPPES CertifiedMarch 10, 2026
✔ NPI 1043804750 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
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.
7863 BROADWAY STE 115, Merrillville, IN 46410
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Other Names 1

Other NameGemswithin Llc

Other Identifiers 1

Medicaid300046922IN

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gemswithin is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Gemswithin, which bills Medicare for the services this clinician delivers.

Clinician (1)

Claude Ann Poupolos, MSW
Clinical Social Worker
NPI 1063828879
1100 W 6TH AVE
Gary, IN 46402
(219) 885-4264
✔ PECOS✔ Accepts Medicare8.6 mi

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 Gemswithin's NPI number?

The NPI number for Gemswithin is 1043804750. It was assigned to this organization in the NPPES registry on February 23, 2021. The provider is also known as Gemswithin LLC.

Where is Gemswithin located?

Gemswithin is located at 7863 Broadway Ste 115, Merrillville, IN 46410. The listed phone number is (219) 779-0509.

What is Gemswithin's specialty?

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

Is Gemswithin enrolled in Medicare?

Yes. Gemswithin is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Gemswithin?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Social Worker) reassigns their Medicare billing to Gemswithin. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Gemswithin accept?

Health plans from CareSource list Gemswithin 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 Gemswithin was last updated on March 10, 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.