Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. M. MONICA ST. JEAN DDS
NPI 1912901901
Dentist - General Practice in Ellicott City, MD

Q: What is M. St. Jean's NPI number?

The NPI number for M. St. Jean is 1912901901. It was assigned to this individual provider in the NPPES registry on June 8, 2005.

Q: What is M. St. Jean's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Q: When was this NPI record last updated?

The NPPES record for M. St. Jean was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 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.

Active since June 08, 2005

9097 NORTHFIELD RD, ELLICOTT CITY, MD 21042(410) 461-2593 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. M. Monica St. Jean Dds NPPES

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

DR. M. MONICA ST. JEAN DDS (NPI 1912901901) is an individual general practice provider in Ellicott City, Maryland, licensed in Maryland (9571) and active in the NPI registry since June 2005.

NPPES Registry Identity

NPI1912901901

Entity TypeIndividualFemale

Primary Taxonomy1223G0001X

Provider Legal NameDR. M. MONICA ST. JEANCredential: DDS

Location Address9097 NORTHFIELD RDEllicott City, MD 21042-5935

Mailing Address9097 Northfield RdEllicott City, MD 21042-5935 · (410) 461-2593

Phone(410) 461-2593

Sole ProprietorNo

Enumeration DateJune 8, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1912901901 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in MD · 9571

Definition

A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

9097 NORTHFIELD RD, Ellicott City, MD 21042

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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 M. St. Jean's NPI number?

The NPI number for M. St. Jean is 1912901901. It was assigned to this individual provider in the NPPES registry on June 8, 2005.

Where is M. St. Jean located?

M. St. Jean practices at 9097 Northfield Rd, Ellicott City, MD 21042. The listed phone number is (410) 461-2593.

What is M. St. Jean's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

When was this NPI record last updated?

The NPPES record for M. St. Jean was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 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.