Doctor Profile

Mental Health · Psychiatry

Mary St John

Psychiatry · Louisiana State University School Of Medicine In New Orleans
2719 BOUNDARY ST
Beaufort, SC 29906
✓ Accepts Medicare 🎓 48+ Years Practicing
47
Medicare Patients / yr
3
Procedures Billed
48
Years Practicing
0
Hospital Affiliations
Data Source: Identity from NPPES (2026). Procedure & patient volume from CMS Medicare Provider Utilization & Payment Data (2023). Hospital affiliations from CMS Physician Compare. We display publicly reported data — no personal information required to view any of it.
Reviewed by: Wes Ward, Founder & Data Lead • View our methodology

Important: We are not affiliated with Medicare, CMS, or Mary St John's practice. This page displays publicly available CMS data to help you research Medicare providers. We do not sell insurance or represent any insurance company. For official enrollment and complete plan information, visit Medicare.gov or call 1-800-MEDICARE.

Medicare Plans That Cover Mary St John

See which plans Mary St John accepts

We're pulling plan acceptance data directly from insurance carrier provider directories. Until that feed is live for South Carolina, the fastest way to find a Medicare plan that covers Mary St John is to compare every Medicare Advantage and Part D plan available near 29906, SC — the Psychiatry's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 29906, SC →

Or call the office at (843) 524-0449 to confirm acceptance directly.

What Mary St John Does

Mary St John served 47 Medicare patients across 459 services in the latest CMS reporting year. That's 64% below the average Psychiatry in South Carolina (132 patients across 246 doctors).

ProcedureServicesMedicare Patients
Psychotherapy with evaluation and management visit, 1 hour (90838)17814
Established patient office or other outpatient visit, 30-39 minutes (99214)16819
Psychotherapy with evaluation and management visit, 45 minutes (90836)11314

How to read this: "Services" are the total times Mary St John billed Medicare for each procedure in the latest reporting year. "Patients" counts unique Medicare beneficiaries. Procedures are shown in plain English; the underlying HCPCS codes are available on request.

Hospital Affiliations

CMS does not list any hospital affiliations for Mary St John. This is common for office-based practitioners who don't admit patients to hospitals.

Practice Location & Telehealth Readiness

Mary St John practices at the address below. If you're evaluating Medicare coverage, location matters for in-network access and — when Mary St John offers telehealth — broadband availability at your home matters for virtual visits.

Address: 2719 BOUNDARY ST, Beaufort, SC 29906
Phone: (843) 524-0449

Area Safety Grade

D

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

29 min

Average commute time in this zip · 92% of residents drive to work. Practical context for patients deciding whether to make the trip. See the full neighborhood profile at BestNeighborhood.org.

Telehealth Readiness

56.2292

Households with fiber broadband — important for reliable virtual visits. Check your address at ISPReports.org.

Get directions on Google Maps →

Other Mental Health Doctors near 29906, SC

If Mary St John isn't accepting new patients or isn't in your plan's network, these are the closest mental health doctors near 29906, SC:

DoctorSpecialtyMedicare Patients / yrDistance
Scott A. WalmerPsychiatry2914.4 mi
Ravindra P. SrivastavaPsychiatry724.5 mi
Mary W. HillPsychiatry1744.5 mi
Jennifer M. MohorovicClinical Psychologist114.5 mi
Alicia WatsonPsychiatry614.6 mi

View all mental health doctors near 29906, SC →

How to Use This Information

Choosing a Medicare plan that covers Mary St John takes three steps:

Compare Medicare Plans near 29906, SC → All Doctors near 29906, SC

Mary St John: Common Questions

Does Mary St John accept Medicare?
Yes. Mary St John is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Mary St John depends on that plan's provider network. Compare Medicare plans near 29906, SC →
Where is Mary St John's office?
Mary St John practices at 2719 BOUNDARY ST, Beaufort, SC 29906. Phone: (843) 524-0449.
What Medicare plans does Mary St John accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (843) 524-0449 to confirm your specific plan is accepted, or compare all Medicare plans near 29906, SC to see available options.
Does Mary St John offer telehealth visits?
CMS does not currently list Mary St John as offering telehealth. Call the office at (843) 524-0449 to confirm whether virtual visits are available.
How experienced is Mary St John?
Mary St John graduated in 1978 and has been practicing for approximately 48 years. In the latest CMS reporting year, Mary St John treated 47 Medicare patients across 3 distinct procedure types.
How do I know if Mary St John is in-network for my Medicare plan?
Network status varies by plan. The best verification steps: (1) check your plan's provider directory at the carrier's website, (2) call the office at (843) 524-0449 and ask which plans they currently accept, and (3) call the number on the back of your Medicare card. Print our doctor questions checklist →

About the Reviewer

Wes Ward

Wes Ward

Founder & Data Lead

Wes Ward reviews all doctor profiles and methodology for data accuracy. Every Medicare provider page on this site — including the utilization statistics, hospital affiliations, and geocoded practice address — goes through his data-validation pipeline before publication. We display only publicly available CMS data; you never need to enter personal information to see any of it.

With 25+ years in data analytics — including work with highly regulated genomic data at Ancestry.com — Wes brings enterprise-level rigor to healthcare transparency. He is also a co-founder of BestNeighborhood.org (neighborhood data), CrimeGrade.org (block-level safety analytics), and ISPReports.org (broadband availability for telehealth). Those sister sites power the location and telehealth-readiness context on this page.

View full profile →LinkedIn

Data sources: CMS NPPES (2026), CMS Medicare Provider Utilization & Payment Data (2023), CMS Physician Compare, CrimeGrade.org, BestNeighborhood.org, ISPReports.org. This page is for informational purposes only. Always verify coverage directly with the plan and practice. Read our full methodology →Privacy policy

Medicare Resources

Choosing the right Medicare plan involves more than just doctor coverage. These guides help you evaluate the full picture:

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