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

MADISON MARBLE LMSW
NPI 1467294595
Social Worker in Washington, DC

Active since June 10, 2024
1814 N ST NW, WASHINGTON, DC 20036(218) 393-6441 Get Directions Write a Review

NPPES record last updated: September 28, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 28, 2026, Jun 10, 2024 (2 updates tracked since 2024).

About Madison Marble Lmsw NPPES

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

MADISON MARBLE LMSW (NPI 1467294595) is an individual social worker in Washington, District Of Columbia, licensed in District Of Columbia (LG200002924) and active in the NPI registry since June 2024.

NPPES Registry Identity

NPI1467294595
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameMADISON MARBLECredential: LMSW
Location Address1814 N ST NWWashington, DC 20036-2404
Mailing Address1814 N St NwWashington, DC 20036-2404 · (202) 317-2247
Phone(218) 393-6441
Sole ProprietorNo
Enumeration DateJune 10, 2024
Last NPPES UpdateSeptember 28, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 28, 2026
✔ NPI 1467294595 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in DC · LG200002924
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
1814 N ST NW, Washington, DC 20036
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Other Providers at the Same Location NPPES 16

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

CHLOE ELIZABETH ALEXANDER
Student in an Organized Health Care Education/Training Program
1814 N ST NW
WASHINGTON, DC 20036
District of Columbia (877) 909-3676
AMIE DITOMASSO LICSW, MPH
Social Worker (Clinical)
1814 N ST NW
WASHINGTON, DC 20036
District of Columbia (202) 631-3770
MARIAH MCPHERSON
Student in an Organized Health Care Education/Training Program
1814 N ST NW
WASHINGTON, DC 20036
District of Columbia (877) 996-2326
THE DORM LLC
Clinic/Center (Mental Health (Including Community Mental Health Center))
1814 N ST NW
WASHINGTON, DC 20036
District of Columbia (877) 996-2326
JESSICA HOPE SAUBER LGSW
Social Worker
1814 N ST NW
WASHINGTON, DC 20036
District of Columbia (202) 363-2887
GRACE CONCETTA POLISTINA LGSW
Social Worker
1814 N ST NW
WASHINGTON, DC 20036
District of Columbia (877) 909-3676
CAMILLE GILBERT
Student in an Organized Health Care Education/Training Program
1814 N ST NW
WASHINGTON, DC 20036
District of Columbia (877) 909-3676
JEILA RIOS
Student in an Organized Health Care Education/Training Program
1814 N ST NW
WASHINGTON, DC 20036
District of Columbia (877) 909-3676

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 Madison Marble's NPI number?

The NPI number for Madison Marble is 1467294595. It was assigned to this individual provider in the NPPES registry on June 10, 2024.

Where is Madison Marble located?

Madison Marble practices at 1814 N St NW, Washington, DC 20036. The listed phone number is (218) 393-6441.

What is Madison Marble's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Madison Marble was last updated on September 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 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.