Quick answers
- Which hospitals does Christopher M. Ma work at?
- Medicare's official clinician data lists Christopher M. Ma at 3 hospitals: Wellstar Cobb Medical Center, Wellstar Douglas Medical Center and Wellstar Kennestone Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Christopher M. Ma see patients?
- Medicare's clinician data lists 6 practice locations, including Roswell, GA, Austell, GA and Kennesaw, GA. Call before your visit to confirm the address.
- What is Christopher M. Ma's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Christopher M. Ma accept Medicare assignment?
- Medicare's clinician data says Christopher M. Ma may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Christopher M. Ma?
- (770) 751-2500, as listed in official Medicare / NPI Registry data.
- What is Christopher M. Ma's NPI number?
- 1992123491. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Christopher M. Ma works
Medicare's Facility Affiliation Data lists Christopher M. Ma at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Wellstar Cobb Medical CenterAustell, GA · Acute Care Hospital · CCN 110143
- Wellstar Douglas Medical CenterDouglasville, GA · Acute Care Hospital · CCN 110184
- Wellstar Kennestone Regional Medical CenterMarietta, GA · Acute Care Hospital · CCN 110035
Practice locations
Addresses where Christopher M. Ma is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 3000 Hospital BlvdRoswell, GA 30076 (770) 751‑2500
- 3950 Austell RdAustell, GA 30106 (770) 702‑1806
- 5150 Stilesboro N W Rd, Suite 220Kennesaw, GA 30152 (770) 424‑8222
- 625 Church NestMarietta, GA 30060 (770) 422‑2004
- 677 Church NestMarietta, GA 30060
Group practices
Medicare enrollment lists Christopher M. Ma as a member of these groups (CMS data updated 2026-10-02).
- Wellstar Medical Group LLC3,093 clinicians in the group
- Mak Anesthesia Holdings, LLC385 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Roswell
Clinicians with the same Medicare primary specialty in Roswell, GA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2014 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1992123491 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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