MR. MICHAEL DEAN CHAMBERS AA
NPI 1205854437
Anesthesiologist Assistant in Atlanta, GA
About Mr. Michael Dean Chambers Aa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. MICHAEL DEAN CHAMBERS AA (NPI 1205854437) is an individual anesthesiologist assistant in Atlanta, Georgia, licensed in Georgia (2169) and active in the NPI registry since July 2006. He is affiliated with Piedmont Hospital, maintains a secondary practice location in Lawrenceville, and is a graduate of Emory University School Of Medicine (1990).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 2
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
Mr. Michael Dean Chambers Aa 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 Michael Chambers reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Atlanta, GA 30309
- Reassigned Medicare billing, Georgia enrollment
- 441 clinicians in this Medicare group
Atlanta, GA 30342
- Reassigned Medicare billing, Georgia enrollment
- 571 clinicians in this Medicare group
Stockbridge, GA 30281
- Reassigned Medicare billing, Georgia enrollment
- 713 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Piedmont Hospital
Acute Care Hospitals · Atlanta, GANorthside Hospital Gwinnett
Acute Care Hospitals · Lawrenceville, GAOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Michael Chambers's NPI number?
The NPI number for Michael Chambers is 1205854437. It was assigned to this individual provider in the NPPES registry on July 17, 2006.
Where is Michael Chambers located?
Michael Chambers practices at 1968 Peachtree Road NW, Atlanta, GA 30309. The listed phone number is (404) 351-1745.
What is Michael Chambers's specialty?
The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.
Is Michael Chambers enrolled in Medicare?
Yes. Michael Chambers 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 Michael Chambers's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Chambers reassigns Medicare benefits to 3 organizations: Piedmont Anesthesia Associates, L.L.C (Atlanta, GA), North Atlanta Anesthesia Professionals, LLC (Atlanta, GA) and Piedmont Anesthesia LLC (Stockbridge, 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 Michael Chambers's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Michael Chambers affiliated with any hospitals?
According to CMS data, Michael Chambers is affiliated with Piedmont Hospital and Northside Hospital Gwinnett.
When was this NPI record last updated?
The NPPES record for Michael Chambers was last updated on February 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Mr. Michael Dean Chambers, AA · NPI 1205854437
Anesthesiologist Assistant physician in Atlanta, Georgia. Individual provider, active in the CMS NPPES registry since July 17, 2006.
## Identity
- **NPI:** 1205854437 (Entity type: Individual)
- **Enumerated:** July 17, 2006
- **Primary specialty:** Anesthesiologist Assistant · taxonomy 367H00000X
- **State license:** 2169 (Georgia)
- **Sole proprietor:** No
## Practice location
- **Address:** 1968 PEACHTREE ROAD NW, Atlanta, GA 30309-1281
- **Phone:** (404) 351-1745 · **Fax:** (404) 351-7121
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Piedmont Anesthesia Associates, L.L.C (NPI 1407856594, Atlanta, GA); North Atlanta Anesthesia Professionals, LLC (NPI 1982349296, Atlanta, GA); Piedmont Anesthesia LLC (NPI 1700474244, Stockbridge, GA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Emory University School Of Medicine, class of 1990
## Record status
- **NPPES last updated:** February 26, 2026
- **Other identifiers:** Medicaid 199990091 (GA); Medicaid 100002231B (GA)
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Source: [NPI Profile](https://npiprofile.com/npi/1205854437) · Data from the CMS NPPES public registry.