MR. JOHN LLEWELLYN STUBBS AA-C
NPI 1801984489
Anesthesiologist Assistant in Marietta, GA
About Mr. John Llewellyn Stubbs Aa-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. JOHN LLEWELLYN STUBBS AA-C (NPI 1801984489) is an individual anesthesiologist assistant in Marietta, Georgia, licensed in Georgia (003175) and active in the NPI registry since October 2006. He is affiliated with Atrium Health Floyd Medical Center and is a graduate of Emory University School Of Medicine (1998).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mr. John Llewellyn Stubbs Aa-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show John Stubbs reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Kennesaw, GA 30152
- Reassigned Medicare billing, Georgia enrollment
- 629 clinicians in this Medicare group
Kennesaw, GA 30152
- Reassigned Medicare billing, Georgia enrollment
- 213 clinicians in this Medicare group
Atlanta, GA 30342
- Reassigned Medicare billing, Georgia enrollment
- 201 clinicians in this Medicare group
Cedartown, GA 30125
- Reassigned Medicare billing, Georgia enrollment
- 164 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.
Atrium Health Floyd Medical Center
Acute Care Hospitals · Rome, GAOther Providers at the Same Location NPPES 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MARIETTA, GA 30060
MARIETTA, GA 30060
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 John Stubbs's NPI number?
The NPI number for John Stubbs is 1801984489. It was assigned to this individual provider in the NPPES registry on October 10, 2006.
Where is John Stubbs located?
John Stubbs practices at 531 Roselane St NW, Marietta, GA 30060. The listed phone number is (770) 794-0477.
What is John Stubbs's specialty?
The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.
Is John Stubbs enrolled in Medicare?
Yes. John Stubbs is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for John Stubbs's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Stubbs reassigns Medicare benefits to 4 organizations: Mak Anesthesia Holdings LLC (Kennesaw, GA), Mak Anesthesia Georgia, LLC (Kennesaw, GA), Concordia Anesthesiology, Inc (Atlanta, GA) and Georgia Group Services, LLC (Cedartown, 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 John Stubbs's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is John Stubbs affiliated with any hospitals?
According to CMS data, John Stubbs is affiliated with Atrium Health Floyd Medical Center.
When was this NPI record last updated?
The NPPES record for John Stubbs was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Mr. John Llewellyn Stubbs, AA-C · NPI 1801984489
Anesthesiologist Assistant physician in Marietta, Georgia. Individual provider, active in the CMS NPPES registry since October 10, 2006.
## Identity
- **NPI:** 1801984489 (Entity type: Individual)
- **Enumerated:** October 10, 2006
- **Primary specialty:** Anesthesiologist Assistant · taxonomy 367H00000X
- **State license:** 003175 (Georgia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 531 ROSELANE ST NW, Marietta, GA 30060-6913
- **Phone:** (770) 794-0477
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Mak Anesthesia Holdings LLC (NPI 1912452939, Kennesaw, GA); Mak Anesthesia Georgia, LLC (NPI 1609390103, Kennesaw, GA); Concordia Anesthesiology, Inc (NPI 1619296464, Atlanta, GA); Georgia Group Services, LLC (NPI 1952704942, Cedartown, GA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Emory University School Of Medicine, class of 1998
## Record status
- **NPPES last updated:** July 8, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1801984489) · Data from the CMS NPPES public registry.