MIDSOUTH INDEPENDENT GROUP, PLLC
NPI 1861009326
Internal Medicine in Memphis, TN
About Midsouth Independent Group, Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MIDSOUTH INDEPENDENT GROUP, PLLC (NPI 1861009326) is a healthcare organization registered as an internal medicine in Memphis, Tennessee and active in the NPI registry since September 2020. The organization holds a CLIA Waiver certificate valid through February 24, 2027, maintains 9 additional practice locations, and lists William R Breen, Group Manager, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 9
Other Identifiers 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)
Midsouth Independent Group, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
35Medicare enrollment records show 35 clinicians reassign Medicare billing to Midsouth Independent Group, PLLC, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 21 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 10
Nearest to this location (20)
See all 35Source: 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 44D2214905
Midsouth Independent Group PLLC · Memphis, TNFrequently 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 Midsouth Independent Group, PLLC's NPI number?
The NPI number for Midsouth Independent Group, PLLC is 1861009326. It was assigned to this organization in the NPPES registry on September 29, 2020.
Where is Midsouth Independent Group, PLLC located?
Midsouth Independent Group, PLLC is located at 6401 Poplar Ave Ste 604, Memphis, TN 38119. The listed phone number is (901) 474-2402.
What is Midsouth Independent Group, PLLC's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Midsouth Independent Group, PLLC enrolled in Medicare?
Yes. Midsouth Independent Group, PLLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Midsouth Independent Group, PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 35 clinicians in 10 Medicare specialties reassign their Medicare billing to Midsouth Independent Group, 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 (20), Family Practice (4) and Internal Medicine (3). Of these, 2 practice at this address and 21 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Midsouth Independent Group, PLLC hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 44D2214905) is associated with this NPI, valid through February 24, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does Midsouth Independent Group, PLLC accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 1 other insurer list Midsouth Independent Group, 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 Midsouth Independent Group, PLLC was last updated on November 29, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Midsouth Independent Group, Pllc · NPI 1861009326
Internal Medicine organization in Memphis, Tennessee. Organization record, active in the CMS NPPES registry since September 29, 2020.
## Identity
- **NPI:** 1861009326 (Entity type: Organization)
- **Enumerated:** September 29, 2020
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Organization subpart:** No
- **Authorized official:** William Breen, GROUP MANAGER
## Practice location
- **Address:** 6401 POPLAR AVE STE 604, Memphis, TN 38119-4808
- **Phone:** (901) 474-2402 · **Fax:** (901) 328-5746
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 35 clinicians in 10 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (20), Family Practice (4), Internal Medicine (3); 2 practice at this address and 21 within 10 miles; [full list](https://npiprofile.com/npi/1861009326/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 29, 2023
- **Other identifiers:** Medicaid Q061176 (TN)
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1861009326) · Data from the CMS NPPES public registry.