DR. MARY ST.JOHN M.D.
NPI 1457553984
Psychiatry & Neurology - Psychiatry in Beaufort, SC

Active since June 05, 2007PECOS Enrolled
2719 BOUNDARY ST, BEAUFORT, SC 29906(843) 524-0449(843) 524-0305 Get Directions Write a Review

NPPES record last updated: August 13, 2012. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Mary St.john M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARY ST.JOHN M.D. (NPI 1457553984) is an individual psychiatry provider in Beaufort, South Carolina, licensed in South Carolina (9523) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS and is a graduate of Louisiana State University School Of Medicine In New Orleans (1978).

NPPES Registry Identity

NPI1457553984
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. MARY ST.JOHNCredential: M.D.
Location Address2719 BOUNDARY STBeaufort, SC 29906-7342
Mailing Address2719 Boundary StBeaufort, SC 29906-7342 · (843) 524-0449 · Fax (843) 524-0305
Fax(843) 524-0305
Sole ProprietorYes
Medical School CMSLouisiana State University School Of Medicine In New OrleansGraduated 1978
Enumeration DateJune 5, 2007
Last NPPES UpdateAugust 13, 2012
NPI 1457553984 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License Licensed in SC · 9523
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
2719 BOUNDARY ST, Beaufort, SC 29906

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Mary St.john M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8628222619
PECOS Enrollment IDI20130128000347
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy with evaluation and management visit, 1 hour 90838
Psychotherapy with evaluation and management is a one-hour session where a mental health professional assesses your psychological state and discusses treatment options. This process aims to understand your feelings, thoughts, and behaviors to improve your overall well-being.
219 services18 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
170 services13 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
147 services14 patients
Psychotherapy with evaluation and management visit, 45 minutes 90836
Psychotherapy with evaluation and management is a 45-minute session where a healthcare provider discusses your mental and emotional health. They assess your current state, manage any issues, and help you develop coping strategies. This service aims to improve your overall well-being.
103 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29906 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$163.84 typical visit price
range $53.57 – $163.84
Typical copayment $40.96 (range $13.39 – $40.96)
Most-billed visit code 99205
Established Patient
$67.12 typical visit price
range $16.96 – $133.52
Typical copayment $16.78 (range $4.24 – $33.38)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary St.john's NPI number?

The NPI number for Mary St.john is 1457553984. It was assigned to this individual provider in the NPPES registry on June 5, 2007.

Where is Mary St.john located?

Mary St.john practices at 2719 Boundary St, Beaufort, SC 29906. The listed phone number is (843) 524-0449.

What is Mary St.john's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Mary St.john enrolled in Medicare?

Yes. Mary St.john is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mary St.john was last updated on August 13, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.