1. Home
  2. Directory
  3. Rhode Island
  4. Providence
  5. Social Worker
  6. NPI Profile

LENNI MARCUS LICSW
NPI 1053817460
Social Worker - Clinical in Providence, RI

Active since April 04, 2018Opted out of Medicare · through Aug 24, 2027
380 BROADWAY OFC D, PROVIDENCE, RI 02909(267) 341-8429 Get Directions Write a Review

NPPES record last updated: January 7, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Lenni Marcus Licsw NPPES

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

LENNI MARCUS LICSW (NPI 1053817460) is an individual clinical provider in Providence, Rhode Island, licensed in Rhode Island (ISW03964) and active in the NPI registry since April 2018. She has opted out of Medicare through August 24, 2027.

NPPES Registry Identity

NPI1053817460
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameLENNI MARCUSCredential: LICSW
Location Address380 BROADWAY OFC DProvidence, RI 02909-1478
Mailing Address380 Broadway Ofc DProvidence, RI 02909-1478 · (267) 341-8429
Phone(267) 341-8429
Sole ProprietorYes
Enumeration DateApril 4, 2018
Last NPPES UpdateJanuary 7, 2026
NPPES CertifiedJanuary 7, 2026
✔ NPI 1053817460 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 · ISW03964
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.
380 BROADWAY OFC D, Providence, RI 02909
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Lenni Marcus Licsw has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from August 24, 2025 through August 24, 2027.

Opt-Out Effective DateAugust 24, 2025
Opt-Out In Effect ThroughAugust 24, 2027Opt-out affidavits renew automatically every two years unless cancelled

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 Lenni Marcus's NPI number?

The NPI number for Lenni Marcus is 1053817460. It was assigned to this individual provider in the NPPES registry on April 4, 2018.

Where is Lenni Marcus located?

Lenni Marcus practices at 380 Broadway Ofc D, Providence, RI 02909. The listed phone number is (267) 341-8429.

What is Lenni Marcus's specialty?

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

Is Lenni Marcus enrolled in Medicare?

No. Lenni Marcus has opted out of Medicare through August 24, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Lenni Marcus was last updated on January 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.