Quick answers
- Where does Mary Mercer see patients?
- Medicare's clinician data lists 2 practice locations, including Brunswick, GA and Savannah, GA. Call before your visit to confirm the address.
- What is Mary Mercer's specialty?
- Medicare lists Psychiatry as the primary specialty.
- Does Mary Mercer accept Medicare assignment?
- Yes. Medicare's clinician data says Mary Mercer 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 Mary Mercer?
- (912) 554-8000, as listed in official Medicare / NPI Registry data.
- What is Mary Mercer's NPI number?
- 1538796925. 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 Mary Mercer is enrolled with Medicare (CMS data updated 2026-10-02).
- 600 Coastal Village DrBrunswick, GA 31520 (912) 554‑8000
- 800 E 70th StSavannah, GA 31405 (912) 790‑6527
Group practices
Medicare enrollment lists Mary Mercer as a member of this group (CMS data updated 2026-10-02).
- Gateway Community Service Board38 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Brunswick
Clinicians with the same Medicare primary specialty in Brunswick, GA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical University Of South Carolina College Of Medicine |
| Graduation year | 2018 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1538796925 |
| 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