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

MR. MARCUS NATHANIEL ALLEN LCSW
NPI 1437493863
Social Worker - Clinical in Providence, RI

Q: What is Marcus Allen's NPI number?

The NPI number for Marcus Allen is 1437493863. It was assigned to this individual provider in the NPPES registry on November 26, 2012.

Q: What is Marcus Allen's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Q: When was this NPI record last updated?

The NPPES record for Marcus Allen was last updated on September 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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 November 26, 2012

55 HOPE ST, PROVIDENCE, RI 02906(401) 331-1350(401) 277-3385 Get Directions Write a Review

NPPES record last updated: September 3, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Sep 3, 2026, Oct 14, 2019 (2 updates tracked since 2019).

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About Mr. Marcus Nathaniel Allen Lcsw NPPES

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

MR. MARCUS NATHANIEL ALLEN LCSW (NPI 1437493863) is an individual clinical provider in Providence, Rhode Island, licensed in Rhode Island (CSW04574) and active in the NPI registry since November 2012.

NPPES Registry Identity

NPI1437493863

Entity TypeIndividualMale

Primary Taxonomy1041C0700X

Provider Legal NameMR. MARCUS NATHANIEL ALLENCredential: LCSW

Location Address55 HOPE STProvidence, RI 02906-2001

Mailing Address55 Hope StProvidence, RI 02906-2001 · (401) 519-2304 · Fax (401) 900-8455

Phone(401) 331-1350

Fax(401) 277-3385

Sole ProprietorYes

Enumeration DateNovember 26, 2012

Last NPPES UpdateSeptember 3, 20262 updates tracked since enumeration

NPPES CertifiedSeptember 3, 2026

✔ NPI 1437493863 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code1041C0700X

License✔ Licensed in RI · CSW04574

Definition

A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.

55 HOPE ST, Providence, RI 02906

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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.

MS. CAROLANNE GEFFROY LICSW

Social Worker (Clinical)

55 HOPE ST
PROVIDENCE, RI 02906

Providence County (401) 331-1350

KRISTEN DUDLEY LCSW

Social Worker (Clinical)

55 HOPE ST
PROVIDENCE, RI 02906

Providence County (401) 416-0794

MILDRED BATES LICSW

Social Worker (Clinical)

55 HOPE ST, FAMILY SERVICE OF RHODE ISLAND
PROVIDENCE, RI 02906

Providence County (401) 331-1350

MRS. MIRIAM MURPHY LCSW

Social Worker

55 HOPE ST
PROVIDENCE, RI 02906

Providence County (401) 331-1350

MRS. NICOLE ORTIZ LCSW

Social Worker (Clinical)

55 HOPE ST
PROVIDENCE, RI 02906

Providence County (401) 331-1350

KRISTEN GARVIN LMHC

Social Worker (Clinical)

55 HOPE ST
PROVIDENCE, RI 02906

Providence County (401) 331-1350

FAMILY SERVICE OF RHODE ISLAND, INC.

Social Worker (Clinical)

55 HOPE ST
PROVIDENCE, RI 02906

Providence County (401) 277-3362

ELIZABETH WILLEY SLP

Speech-Language Pathologist

55 HOPE ST, C/O FAMILY SERVICE OF RHODE ISLAND INC
PROVIDENCE, RI 02906

Providence County (401) 331-1350

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 Marcus Allen's NPI number?

The NPI number for Marcus Allen is 1437493863. It was assigned to this individual provider in the NPPES registry on November 26, 2012.

Where is Marcus Allen located?

Marcus Allen practices at 55 Hope St, Providence, RI 02906. The listed phone number is (401) 331-1350.

What is Marcus Allen's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

When was this NPI record last updated?

The NPPES record for Marcus Allen was last updated on September 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.