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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MARY ST JOHN
NPI 1902714868
Student in an Organized Health Care Education/Training Program in Boston, MA

Active since August 31, 2026
800 WASHINGTON ST, BOSTON, MA 02111(617) 636-5000 Get Directions Write a Review

NPPES record added: August 31, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

About Mary St John NPPES

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

MARY ST JOHN (NPI 1902714868) is an individual student in an organized health care education/training program in Boston, Massachusetts and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1902714868
Entity TypeIndividualFemale
Primary Taxonomy390200000X
Provider Legal NameMARY ST JOHN
Location Address800 WASHINGTON STBoston, MA 02111-1552
Mailing Address201 Chestnut Ave Apt 2Boston, MA 02130-4410 · (240) 479-0080
Phone(617) 636-5000
Sole ProprietorNo
Enumeration DateAugust 31, 2026
NPPES CertifiedAugust 31, 2026
✔ NPI 1902714868 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyStudent in an Organized Health Care Education/Training ProgramStudent, Health Care
Taxonomy Code390200000X
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
800 WASHINGTON ST, Boston, MA 02111
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AARON DICKSTEIN M.D.
Internal Medicine (Gastroenterology)
800 WASHINGTON ST, BOX 233
BOSTON, MA 02111
Suffolk County (617) 636-5883
THOMAS E BIGELOW
Technician/Technologist (Optician)
800 WASHINGTON ST, BOX 450
BOSTON, MA 02111
Suffolk County (617) 636-5857
SARAH MERRIMAN PERSING M.D.
Plastic Surgery
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-5000
DR. SHARANYA MOHANTY M.D.
Internal Medicine
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-5000
AFRAH SADIQ SAIT MOHAMMED M.D.
Internal Medicine (Infectious Disease)
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (718) 629-7204
ADNAN SALIM QAMAR MD
Student in an Organized Health Care Education/Training Program
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-5829
ALICIA SIGIA WU MD
Psychiatry & Neurology (Psychiatry)
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-1619
ZEANAARONEVAN ANDRES LUNA
Student in an Organized Health Care Education/Training Program
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-8100

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 1902714868. It was assigned to this individual provider in the NPPES registry on August 31, 2026.

Where is Mary St John located?

Mary St John practices at 800 Washington St, Boston, MA 02111. The listed phone number is (617) 636-5000.

What is Mary St John's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

When was this NPI record last updated?

The NPPES record for Mary St John was last updated on August 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 days 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.