Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Mary St John, MD

Individual provider Psychiatry Physician · NPI 1457553984

Dr. Mary St John, MD is a Psychiatry in Beaufort, South Carolina. Graduated from Louisiana State University School of Medicine in New Orleans in 1978, 48 years ago. Practices as a sole proprietor. Licensed in South Carolina.

Years since qualifying
48
Trained at
Louisiana State University School of Medicine in New Orleans
Licensed in
SC
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

2719 Boundary St
Beaufort, SC 29906-7342
Phone: (843) 524-0449
Fax: (843) 524-0305
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 9523 (SC)

Record details

NPI number1457553984
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 5, 2007
Last updated in NPPESAugust 13, 2012

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPSYCHIATRY
Medical schoolLOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE IN NEW ORLEANS
Graduated 1978 (48 years in practice)
Accepts Medicare assignment Not indicated

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