Quick answers
- Where does Mary St John see patients?
- Medicare's clinician data lists 1 practice location in Beaufort, SC. Call before your visit to confirm the address.
- What is Mary St John's specialty?
- Medicare lists Psychiatry as the primary specialty.
- Does Mary St John accept Medicare assignment?
- Medicare's clinician data says Mary St John 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 Mary St John?
- (843) 524-0449, as listed in official Medicare / NPI Registry data.
- What is Mary St John's NPI number?
- 1457553984. 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 St John is enrolled with Medicare (CMS data updated 2026-10-02).
- 2719 Boundary StBeaufort, SC 29906 (843) 524‑0449
Specialties
- Psychiatryprimary
Other psychiatrists in Beaufort
Clinicians with the same Medicare primary specialty in Beaufort, SC — not a recommendation.
Clinician information
| Medical school | Louisiana State University School Of Medicine In New Orleans |
|---|---|
| Graduation year | 1978 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1457553984 |
| 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