ABSAR AHMAD MIRZA MD
NPI 1265415541
Internal Medicine - Critical Care Medicine in Marietta, GA
About Absar Ahmad Mirza Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ABSAR AHMAD MIRZA MD (NPI 1265415541) is an individual critical care medicine provider in Marietta, Georgia, licensed in Georgia (064864) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Hamilton Medical Center, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
Other Identifiers 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
Absar Ahmad Mirza 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
11Medicare enrollment records show Absar Mirza reassigns Medicare billing to 11 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
Atlanta, GA 30342
- Reassigned Medicare billing, Georgia enrollment
- 783 clinicians in this Medicare group
Stockbridge, GA 30281
- Reassigned Medicare billing, Georgia enrollment
- 87 clinicians in this Medicare group
Monroe, GA 30655
- Reassigned Medicare billing, Alabama, Georgia and South Carolina enrollments
- 428 clinicians in this Medicare group
Gainesville, GA 30501
- Reassigned Medicare billing, Georgia enrollment
- 1,172 clinicians in this Medicare group
Dalton, GA 30720
- Reassigned Medicare billing, Georgia enrollment
- 236 clinicians in this Medicare group
Macon, GA 31210
- Reassigned Medicare billing, Georgia enrollment
- 89 clinicians in this Medicare group
Warner Robins, GA 31093
- Reassigned Medicare billing, Georgia enrollment
- 150 clinicians in this Medicare group
Anderson, SC 29621
- Reassigned Medicare billing, South Carolina enrollment
- 146 clinicians in this Medicare group
Tifton, GA 31794
- Reassigned Medicare billing, Georgia enrollment
- 380 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 9
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hamilton Medical Center
Acute Care Hospitals · Dalton, GAWellstar North Fulton Hospital
Acute Care Hospitals · Roswell, GAAnmed Health
Acute Care Hospitals · Anderson, SCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 30060 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Absar Mirza's NPI number?
The NPI number for Absar Mirza is 1265415541. It was assigned to this individual provider in the NPPES registry on November 21, 2005.
Where is Absar Mirza located?
Absar Mirza practices at 400 Tower Rd NE Ste 200, Marietta, GA 30060. The listed phone number is (770) 422-1372.
What is Absar Mirza's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Absar Mirza enrolled in Medicare?
Yes. Absar Mirza 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 Absar Mirza's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Absar Mirza reassigns Medicare benefits to 11 organizations: Wellstar Medical Group, LLC (Marietta, GA), North Atlanta Professional Services LLC (Atlanta, GA), Piedmont Healthcare Inc (Stockbridge, GA), Hospital Physician Services - Southeast Professional Corporation (Monroe, GA), Northeast Georgia Physicians Group Inc (Gainesville, GA) and 6 more organizations, 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 Absar Mirza's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Absar Mirza accept?
Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 1 other insurer list Absar Mirza 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 Absar Mirza affiliated with any hospitals?
According to CMS data, Absar Mirza is affiliated with Hamilton Medical Center, Wellstar North Fulton Hospital and Anmed Health.
When was this NPI record last updated?
The NPPES record for Absar Mirza was last updated on January 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Absar Ahmad Mirza, MD · NPI 1265415541
Critical Care Medicine physician in Marietta, Georgia. Individual provider, active in the CMS NPPES registry since November 21, 2005.
## Identity
- **NPI:** 1265415541 (Entity type: Individual)
- **Enumerated:** November 21, 2005
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** 064864 (Georgia)
- **Sole proprietor:** No
## Practice location
- **Address:** 400 TOWER RD NE STE 200, Marietta, GA 30060-9412
- **Phone:** (770) 422-1372 · **Fax:** (770) 999-2488
## 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:** 11 organizations under Medicare reassignment (form CMS-855R): Wellstar Medical Group, LLC (NPI 1912203555, Marietta, GA); North Atlanta Professional Services LLC (NPI 1316959869, Atlanta, GA); Piedmont Healthcare Inc (NPI 1376624940, Stockbridge, GA); Hospital Physician Services - Southeast Professional Corporation (NPI 1760410385, Monroe, GA); Northeast Georgia Physicians Group Inc (NPI 1891745212, Gainesville, GA); and 6 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1995
## Record status
- **NPPES last updated:** January 13, 2026
- **Other identifiers:** Medicaid H47226 (SC)
---
Source: [NPI Profile](https://npiprofile.com/npi/1265415541) · Data from the CMS NPPES public registry.