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

MARK STEPHENS
NPI 1871386607
Counselor - Mental Health in Roxbury, MA

Q: What is Mark Stephens's NPI number?

The NPI number for Mark Stephens is 1871386607. It was assigned to this individual provider in the NPPES registry on May 24, 2025.

Q: What is Mark Stephens's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Q: When was this NPI record last updated?

The NPPES record for Mark Stephens was last updated on September 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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 May 24, 2025

504 DUDLEY ST # 520, ROXBURY, MA 02119(617) 445-6655 Get Directions Write a Review

NPPES record last updated: September 17, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 17, 2026, May 24, 2025 (2 updates tracked since 2025).

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About Mark Stephens NPPES

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

MARK STEPHENS (NPI 1871386607) is an individual mental health provider in Roxbury, Massachusetts and active in the NPI registry since May 2025.

NPPES Registry Identity

NPI1871386607

Entity TypeIndividualMale

Primary Taxonomy101YM0800X

Provider Legal NameMARK STEPHENS

Location Address504 DUDLEY ST # 520Roxbury, MA 02119-2732

Mailing Address15 Holborn StDorchester, MA 02121-1330

Phone(617) 445-6655

Sole ProprietorNo

Enumeration DateMay 24, 2025

Last NPPES UpdateSeptember 17, 20262 updates tracked since enumeration

NPPES CertifiedSeptember 17, 2026

✔ NPI 1871386607 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers

Taxonomy Code101YM0800X

504 DUDLEY ST # 520, Roxbury, MA 02119

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Other Providers at the Same Location NPPES 2

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

JUSTICE JAMES ROGERS

Behavior Technician

504 DUDLEY ST # 520
ROXBURY, MA 02119

Suffolk County (617) 445-6655

DAYANA NAHOMI UKRAINE

Counselor

504 DUDLEY ST # 520
ROXBURY, MA 02119

Suffolk County (617) 445-6655

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 Mark Stephens's NPI number?

The NPI number for Mark Stephens is 1871386607. It was assigned to this individual provider in the NPPES registry on May 24, 2025.

Where is Mark Stephens located?

Mark Stephens practices at 504 Dudley St # 520, Roxbury, MA 02119. The listed phone number is (617) 445-6655.

What is Mark Stephens's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Mark Stephens was last updated on September 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.