BRIAN C. GRINER, MD, LLC
NPI 1083832901
Pediatrics in Valdosta, GA
About Brian C. Griner, Md, Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BRIAN C. GRINER, MD, LLC (NPI 1083832901), doing business as Griner Medical Group, is a healthcare organization registered as a pediatrics in Valdosta, Georgia and active in the NPI registry since April 2007. The organization holds a CLIA Waiver certificate valid through March 31, 2028 and lists Brian C. Griner M.d., President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
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)
Brian C. Griner, Md, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
4Medicare enrollment records show 4 clinicians reassign Medicare billing to Brian C. Griner, MD, LLC, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 4 within 10 miles. They are listed nearest first.
Clinicians, nearest first (4)
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 11D1070146
Brian C Griner, MD LLC · Valdosta, GAFrequently 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 Brian C. Griner, MD, LLC's NPI number?
The NPI number for Brian C. Griner, MD, LLC is 1083832901. It was assigned to this organization in the NPPES registry on April 23, 2007. The provider is doing business as Griner Medical Group.
Where is Brian C. Griner, MD, LLC located?
Brian C. Griner, MD, LLC is located at 3301 N Oak Street Ext, Valdosta, GA 31605. The listed phone number is (229) 242-6061.
What is Brian C. Griner, MD, LLC's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Brian C. Griner, MD, LLC enrolled in Medicare?
Yes. Brian C. Griner, MD, LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Brian C. Griner, MD, LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians reassign their Medicare billing to Brian C. Griner, MD, LLC, in Hospitalist, Internal Medicine and Nurse Practitioner. 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. Of these, 3 practice at this address and 4 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Brian C. Griner, MD, LLC hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 11D1070146) is associated with this NPI, valid through March 31, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does Brian C. Griner, MD, LLC accept?
Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee list Brian C. Griner, MD, LLC 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 Brian C. Griner, MD, LLC was last updated on September 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 51 days 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.
# Brian C. Griner, Md, Llc · NPI 1083832901
Pediatrics organization in Valdosta, Georgia. Organization record, active in the CMS NPPES registry since April 23, 2007.
## Identity
- **NPI:** 1083832901 (Entity type: Organization)
- **Enumerated:** April 23, 2007
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **Also known as:** Griner Medical Group (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** Brian Griner M.d., PRESIDENT
## Practice location
- **Address:** 3301 N OAK STREET EXT, Valdosta, GA 31605-1014
- **Phone:** (229) 242-6061 · **Fax:** (229) 242-6151
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 4 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (2), Hospitalist (1), Internal Medicine (1); 3 practice at this address and 4 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 1, 2026
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1083832901) · Data from the CMS NPPES public registry.