SLIM INTERNAL MEDICINE PLLC
NPI 1922478601
Internal Medicine in Dearborn, MI
About Slim Internal Medicine Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SLIM INTERNAL MEDICINE PLLC (NPI 1922478601) is a healthcare organization registered as an internal medicine in Dearborn, Michigan and active in the NPI registry since October 2015. The organization holds a CLIA Waiver certificate valid through November 9, 2027 and lists Achraf Slim, Authorized Official, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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)
Slim Internal Medicine Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
12Medicare enrollment records show 12 clinicians reassign Medicare billing to Slim Internal Medicine PLLC, which bills Medicare for the services they deliver. Of these, 7 practice within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 5
Clinicians, nearest first (12)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 23D2104641
Slim Internal Medicine PLLC · Dearborn, MIFrequently 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 Slim Internal Medicine PLLC's NPI number?
The NPI number for Slim Internal Medicine PLLC is 1922478601. It was assigned to this organization in the NPPES registry on October 7, 2015.
Where is Slim Internal Medicine PLLC located?
Slim Internal Medicine PLLC is located at 5260 Schaefer Rd, Dearborn, MI 48126. The listed phone number is (313) 461-1190.
What is Slim Internal Medicine PLLC's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Slim Internal Medicine PLLC enrolled in Medicare?
Yes. Slim Internal Medicine PLLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Slim Internal Medicine PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 12 clinicians in 5 Medicare specialties reassign their Medicare billing to Slim Internal Medicine 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. The largest specialties are Nurse Practitioner (5), Family Practice (3) and Internal Medicine (2). Of these, 7 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Slim Internal Medicine PLLC hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 23D2104641) is associated with this NPI, valid through November 9, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does Slim Internal Medicine PLLC accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Slim Internal Medicine PLLC 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 Slim Internal Medicine PLLC was last updated on October 7, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Slim Internal Medicine Pllc · NPI 1922478601
Internal Medicine organization in Dearborn, Michigan. Organization record, active in the CMS NPPES registry since October 7, 2015.
## Identity
- **NPI:** 1922478601 (Entity type: Organization)
- **Enumerated:** October 7, 2015
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Organization subpart:** No
- **Authorized official:** Achraf Slim, AUTHORIZED OFFICIAL
## Practice location
- **Address:** 5260 SCHAEFER RD, Dearborn, MI 48126-3228
- **Phone:** (313) 461-1190
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 12 clinicians in 5 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (5), Family Practice (3), Internal Medicine (2); 7 practice within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 7, 2015
- **Other identifiers:** Medicare PIN P28070576 (MI); Medicare PIN MI2907362 (MI)
- **CLIA laboratory certificates:** 1 on file
---
Source: [NPI Profile](https://npiprofile.com/npi/1922478601) · Data from the CMS NPPES public registry.