STILLWATER HEALTH PLLC
NPI 1891642179
Family Medicine - Addiction Medicine in Chicago, IL
About Stillwater Health Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STILLWATER HEALTH PLLC (NPI 1891642179) is a healthcare organization registered as an addiction medicine in Chicago, Illinois and active in the NPI registry since March 2026. The organization lists Carolle Derradji, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Stillwater Health Pllc 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 Stillwater Health PLLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
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 Stillwater Health PLLC's NPI number?
The NPI number for Stillwater Health PLLC is 1891642179. It was assigned to this organization in the NPPES registry on March 14, 2026.
Where is Stillwater Health PLLC located?
Stillwater Health PLLC is located at 3256 W Potomac Ave, Chicago, IL 60651. The listed phone number is (708) 280-6164.
What is Stillwater Health PLLC's specialty?
The primary specialty registered for this NPI is Family Medicine, specializing in Addiction Medicine, with taxonomy code 207QA0401X.
Is Stillwater Health PLLC enrolled in Medicare?
Yes. Stillwater Health PLLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Stillwater Health PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Nurse Practitioner) reassigns their Medicare billing to Stillwater Health PLLC. 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.
When was this NPI record last updated?
The NPPES record for Stillwater Health PLLC was last updated on June 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Stillwater Health Pllc · NPI 1891642179
Addiction Medicine organization in Chicago, Illinois. Organization record, active in the CMS NPPES registry since March 14, 2026.
## Identity
- **NPI:** 1891642179 (Entity type: Organization)
- **Enumerated:** March 14, 2026
- **Primary specialty:** Family Medicine - Addiction Medicine · taxonomy 207QA0401X
- **Organization subpart:** No
- **Authorized official:** Carolle Derradji, OWNER
## Practice location
- **Address:** 3256 W POTOMAC AVE, Chicago, IL 60651-2411
- **Phone:** (708) 280-6164
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Nurse Practitioner) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 16, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1891642179) · Data from the CMS NPPES public registry.