Quick answers
- Where does Mark A. Chastain see patients?
- Medicare's clinician data lists 4 practice locations, including Cartersville, GA, Columbus, GA and Marietta, GA. Call before your visit to confirm the address.
- What is Mark A. Chastain's specialty?
- Medicare lists Micrographic Dermatologic Surgery (MDS) as the primary specialty, and also Dermatology.
- Does Mark A. Chastain accept Medicare assignment?
- Yes. Medicare's clinician data says Mark A. Chastain accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Mark A. Chastain?
- (770) 606-8026, as listed in official Medicare / NPI Registry data.
- What is Mark A. Chastain's NPI number?
- 1790756138. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Mark A. Chastain is enrolled with Medicare (CMS data updated 2026-10-02).
- 10 Cloverleaf DrCartersville, GA 30120 (770) 606‑8026
- 1150 Brookstone Centre PkwyColumbus, GA 31904 (706) 257‑4189
- 835 Cogburn Ave NW, Suite 100Marietta, GA 30060 (770) 422‑5557
- 850 Charles Hardy PkwyDallas, GA 30157 (770) 336‑8888
Group practices
Medicare enrollment lists Mark A. Chastain as a member of this group (CMS data updated 2026-10-02).
- Aqua Dermatology of Georgia PC58 clinicians in the group
Specialties
Find other Micrographic Dermatologic Surgery (MDS) doctors in Georgia →
Other dermatologic surgeons in Georgia
Clinicians with the same Medicare primary specialty in Georgia — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790756138 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians