MR. MARK ANDREW ZIEGLER MD
NPI 1700443447
Internal Medicine - Critical Care Medicine in Griffin, GA
About Mr. Mark Andrew Ziegler Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. MARK ANDREW ZIEGLER MD (NPI 1700443447) is an individual critical care medicine provider in Griffin, Georgia, licensed in Georgia (105382) and active in the NPI registry since May 2019. He is enrolled in Medicare PECOS, is affiliated with Wellstar Spalding Medical Center, and maintains a secondary practice location in Atlanta.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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. Mark Andrew Ziegler 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
2Medicare enrollment records show Mark Ziegler reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Macon, GA 31210
- Reassigned Medicare billing, Georgia enrollment
- 89 clinicians in this Medicare group
Alexandria, VA 22306
- Reassigned Medicare billing, Virginia enrollment
- 31 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.
Wellstar Spalding Medical Center
Acute Care Hospitals · Griffin, GAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 30224 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
GRIFFIN, GA 30224
GRIFFIN, GA 30224
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 Mark Ziegler's NPI number?
The NPI number for Mark Ziegler is 1700443447. It was assigned to this individual provider in the NPPES registry on May 28, 2019.
Where is Mark Ziegler located?
Mark Ziegler practices at 601 S 8th St, Griffin, GA 30224. The listed phone number is (770) 228-2721.
What is Mark Ziegler's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Mark Ziegler enrolled in Medicare?
Yes. Mark Ziegler 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 Mark Ziegler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Ziegler reassigns Medicare benefits to 2 organizations: Sound Physicians Intensivists Of Georgia PC (Macon, GA) and Commonwealth Critical Care LLC (Alexandria, VA). 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 Mark Ziegler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mark Ziegler affiliated with any hospitals?
According to CMS data, Mark Ziegler is affiliated with Wellstar Spalding Medical Center.
When was this NPI record last updated?
The NPPES record for Mark Ziegler was last updated on July 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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. Mark Andrew Ziegler, MD · NPI 1700443447
Critical Care Medicine physician in Griffin, Georgia. Individual provider, active in the CMS NPPES registry since May 28, 2019.
## Identity
- **NPI:** 1700443447 (Entity type: Individual)
- **Enumerated:** May 28, 2019
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** 105382 (Georgia)
- **Sole proprietor:** No
## Practice location
- **Address:** 601 S 8TH ST, Griffin, GA 30224-4213
- **Phone:** (770) 228-2721
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Sound Physicians Intensivists Of Georgia PC (NPI 1376159590, Macon, GA); Commonwealth Critical Care LLC (NPI 1891210035, Alexandria, VA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Eastern Virginia Medical School, class of 2019
## Record status
- **NPPES last updated:** July 20, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1700443447) · Data from the CMS NPPES public registry.