ADVANCE CLINICAL SERVICES
NPI 1124791595
Social Worker - Clinical in Kenosha, WI
About Advance Clinical Services NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ADVANCE CLINICAL SERVICES (NPI 1124791595), doing business as Advance Clinical Services Llc, is a healthcare organization registered as a clinical in Kenosha, Wisconsin and active in the NPI registry since July 2021. The organization lists Nicholas Olsen, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Group Practice 1
Accepted 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)
Advance Clinical Services is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
8Medicare enrollment records show 8 clinicians reassign Medicare billing to Advance Clinical Services, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 4 within 10 miles. They are listed nearest first.
Clinicians, nearest first (8)
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 Advance Clinical Services's NPI number?
The NPI number for Advance Clinical Services is 1124791595. It was assigned to this organization in the NPPES registry on July 30, 2021. The provider is doing business as Advance Clinical Services LLC.
Where is Advance Clinical Services located?
Advance Clinical Services is located at 6121 Green Bay Rd Ste 200, Kenosha, WI 53142. The listed phone number is (262) 694-3718.
What is Advance Clinical Services's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Advance Clinical Services enrolled in Medicare?
Yes. Advance Clinical Services is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Advance Clinical Services?
According to the CMS Revalidation Reassignment List (October 2026 release), 8 clinicians in 2 Medicare specialties reassign their Medicare billing to Advance Clinical Services. 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. The largest specialties are Mental Health Counselor (6) and Clinical Social Worker (2). Of these, 2 practice at this address and 4 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Advance Clinical Services accept?
Health plans from Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare) and Quartz list Advance Clinical Services 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 Advance Clinical Services was last updated on August 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Advance Clinical Services · NPI 1124791595
Clinical organization in Kenosha, Wisconsin. Organization record, active in the CMS NPPES registry since July 30, 2021.
## Identity
- **NPI:** 1124791595 (Entity type: Organization)
- **Enumerated:** July 30, 2021
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **Also known as:** Advance Clinical Services LLC (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** Nicholas Olsen, OWNER
## Practice location
- **Address:** 6121 GREEN BAY RD STE 200, Kenosha, WI 53142-2931
- **Phone:** (262) 694-3718
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 8 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Mental Health Counselor (6), Clinical Social Worker (2); 2 practice at this address and 4 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 22, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1124791595) · Data from the CMS NPPES public registry.