BARRY MITCHELL RENZ MD
NPI 1598815698
Surgery - Trauma Surgery in Austell, GA
About Barry Mitchell Renz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BARRY MITCHELL RENZ MD (NPI 1598815698) is an individual trauma surgery provider in Austell, Georgia, licensed in Georgia (30195) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Wellstar Cobb Medical Center, and maintains a secondary practice location in Marietta.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Barry Mitchell Renz Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Barry Renz reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Austell, GA 30106
- Reassigned Medicare billing, Georgia enrollment
- 3,885 clinicians in this Medicare group
Duluth, GA 30096
- Reassigned Medicare billing, Georgia enrollment
- Medicare enrollment name: Gwinnett Hospital System, Inc.
- 98 clinicians in this Medicare group
Lawrenceville, GA 30046
- Reassigned Medicare billing, Georgia enrollment
- 275 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Wellstar Cobb Medical Center
Acute Care Hospitals · Austell, GAMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
AUSTELL, GA 30106
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 Barry Renz's NPI number?
The NPI number for Barry Renz is 1598815698. It was assigned to this individual provider in the NPPES registry on January 11, 2007.
Where is Barry Renz located?
Barry Renz practices at 1700 Hospital South Dr Ste 202, Austell, GA 30106. The listed phone number is (470) 644-0125.
What is Barry Renz's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Trauma Surgery, with taxonomy code 2086S0127X.
Is Barry Renz enrolled in Medicare?
Yes. Barry Renz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Barry Renz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Barry Renz reassigns Medicare benefits to 3 organizations: Wellstar Medical Group, LLC (Austell, GA), Northside Hospital, Inc. (Duluth, GA) and Gwinnett Physician Group, LLC (Lawrenceville, GA). Each 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 Barry Renz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Barry Renz accept?
Health plans from Alliant Health Plans, Inc., Ambetter Health and Oscar Health list Barry Renz 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.
Is Barry Renz affiliated with any hospitals?
According to CMS data, Barry Renz is affiliated with Wellstar Cobb Medical Center.
When was this NPI record last updated?
The NPPES record for Barry Renz was last updated on October 31, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Barry Mitchell Renz, MD · NPI 1598815698
Trauma Surgery physician in Austell, Georgia. Individual provider, active in the CMS NPPES registry since January 11, 2007.
## Identity
- **NPI:** 1598815698 (Entity type: Individual)
- **Enumerated:** January 11, 2007
- **Primary specialty:** Surgery - Trauma Surgery · taxonomy 2086S0127X
- **State license:** 30195 (Georgia)
- **Sole proprietor:** No
## Practice location
- **Address:** 1700 HOSPITAL SOUTH DR STE 202, Austell, GA 30106
- **Phone:** (470) 644-0125 · **Fax:** (470) 644-0120
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Wellstar Medical Group, LLC (NPI 1134425283, Austell, GA); Northside Hospital, Inc. (NPI 1790715381, Duluth, GA); Gwinnett Physician Group, LLC (NPI 1578574661, Lawrenceville, GA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of North Carolina At Chapel Hill School Of Medicine, class of 1982
## Record status
- **NPPES last updated:** October 31, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1598815698) · Data from the CMS NPPES public registry.