COLLEEN MARGARET MEFFERT CAA
NPI 1891240941
Anesthesiologist Assistant in Marietta, GA
About Colleen Margaret Meffert Caa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
COLLEEN MARGARET MEFFERT CAA (NPI 1891240941) is an individual anesthesiologist assistant in Marietta, Georgia, licensed in Georgia (8616) and active in the NPI registry since August 2016. She is affiliated with Wellstar Kennestone Regional Medical Center, maintains 5 additional practice locations, and is a graduate of Emory University School Of Medicine (2016).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 5
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Colleen Margaret Meffert Caa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
6Medicare enrollment records show Colleen Meffert reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Marietta, GA 30060
- Reassigned Medicare billing, Georgia enrollment
- 3,885 clinicians in this Medicare group
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
Woodstock, GA 30189
- Reassigned Medicare billing, Georgia enrollment
- Medicare enrollment name: Georgia Anesthesiologists, P.C.
- 131 clinicians in this Medicare group
Atlanta, GA 30328
- Reassigned Medicare billing, Georgia enrollment
- 90 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Wellstar Kennestone Regional Medical Center
Acute Care Hospitals · Marietta, GAAtrium Health Floyd Medical Center
Acute Care Hospitals · Rome, 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MARIETTA, GA 30060
MARIETTA, GA 30060
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 Colleen Meffert's NPI number?
The NPI number for Colleen Meffert is 1891240941. It was assigned to this individual provider in the NPPES registry on August 18, 2016.
Where is Colleen Meffert located?
Colleen Meffert practices at 677 Church St NE, Marietta, GA 30060. The listed phone number is (770) 794-0477.
What is Colleen Meffert's specialty?
The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.
Is Colleen Meffert enrolled in Medicare?
Yes. Colleen Meffert is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Colleen Meffert's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Colleen Meffert reassigns Medicare benefits to 6 organizations: Wellstar Medical Group, LLC (Marietta, GA), Mak Anesthesia Holdings LLC (Kennesaw, GA), Mak Anesthesia Georgia, LLC (Kennesaw, GA), Georgia Anesthesiologists, PC (Woodstock, GA), North Fulton Anesthesia Associates PC (Atlanta, GA) and 1 more organization, listed in the Medicare section above. 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 Colleen Meffert's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Colleen Meffert accept?
Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama and Ambetter of North Carolina and 2 other insurers list Colleen Meffert 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 Colleen Meffert affiliated with any hospitals?
According to CMS data, Colleen Meffert is affiliated with Wellstar Kennestone Regional Medical Center and Atrium Health Floyd Medical Center.
When was this NPI record last updated?
The NPPES record for Colleen Meffert was last updated on August 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.
# Colleen Margaret Meffert, CAA · NPI 1891240941
Anesthesiologist Assistant physician in Marietta, Georgia. Individual provider, active in the CMS NPPES registry since August 18, 2016.
## Identity
- **NPI:** 1891240941 (Entity type: Individual)
- **Enumerated:** August 18, 2016
- **Primary specialty:** Anesthesiologist Assistant · taxonomy 367H00000X
- **State license:** 8616 (Georgia)
- **Sole proprietor:** No
## Practice location
- **Address:** 677 CHURCH ST NE, Marietta, GA 30060-1101
- **Phone:** (770) 794-0477 · **Fax:** (770) 794-3108
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Wellstar Medical Group, LLC (NPI 1083027320, Marietta, GA); Mak Anesthesia Holdings LLC (NPI 1912452939, Kennesaw, GA); Mak Anesthesia Georgia, LLC (NPI 1609390103, Kennesaw, GA); Georgia Anesthesiologists, PC (NPI 1740299197, Woodstock, GA); North Fulton Anesthesia Associates PC (NPI 1467445262, Atlanta, GA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Emory University School Of Medicine, class of 2016
## Record status
- **NPPES last updated:** August 18, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1891240941) · Data from the CMS NPPES public registry.