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MARGUERITE CUSACK JD, LICSW, LCSW
NPI 1710435441
Social Worker - Clinical in Washington, DC

Active since September 11, 2016Opted out of Medicare · through Jul 24, 2027
910 17TH ST NW, SUITE 300, WASHINGTON, DC 20006(202) 441-5148 Get Directions Write a Review

NPPES record last updated: September 11, 2016. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Marguerite Cusack Jd, Licsw, Lcsw NPPES

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

MARGUERITE CUSACK JD, LICSW, LCSW (NPI 1710435441) is an individual clinical provider in Washington, District Of Columbia, licensed in District Of Columbia (LC50080593) and active in the NPI registry since September 2016. She has opted out of Medicare through July 24, 2027.

NPPES Registry Identity

NPI1710435441
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMARGUERITE CUSACKCredential: JD, LICSW, LCSW
Location Address910 17TH ST NW, SUITE 300Washington, DC 20006-2601
Mailing Address910 17th St Nw, Suite 300Washington, DC 20006-2601 · (202) 441-5148
Phone(202) 441-5148
Sole ProprietorYes
Enumeration DateSeptember 11, 2016
✔ NPI 1710435441 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Licenses✔ Licensed in DC · LC50080593✔ Licensed in VA · 090409410
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.
910 17TH ST NW, Washington, DC 20006
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Marguerite Cusack Jd, Licsw, Lcsw 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 July 24, 2025 through July 24, 2027.

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

Other Providers at the Same Location NPPES 10

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

JUSTIN FLINNER M.AC., L.AC.
Acupuncturist
910 17TH ST NW, SUITE 1020
WASHINGTON, DC 20006
District of Columbia (202) 505-2805
DR. CHERIAN VERGHESE PH.D.
Psychologist (Clinical)
910 17TH ST NW, SUITE 306
WASHINGTON, DC 20006
District of Columbia (202) 296-2822
MS. SUSAN L LESSER MSW
Social Worker (Clinical)
910 17TH ST NW, #1010
WASHINGTON, DC 20006
District of Columbia (202) 429-9119
DR. TERRY KRISTALLIS DMD
Dentist (General Practice)
910 17TH ST NW, SUITE 108
WASHINGTON, DC 20006
District of Columbia (202) 887-1909
MS. BETH L ALTMAN MSW LICSW
Psychologist
910 17TH ST NW, SUITE 1015
WASHINGTON, DC 20006
District of Columbia (202) 686-6307
JEANETTE MCDONALD M.D.
Psychiatry & Neurology (Psychiatry)
910 17TH ST NW, 306
WASHINGTON, DC 20006
District of Columbia (202) 861-1919
DR. LESLIE MOORE JADIN PH.D.
Psychologist (Clinical)
910 17TH ST NW, SUITE 1010
WASHINGTON, DC 20006
District of Columbia (202) 429-9296
DR. JOSEPH D PIORKOWSKI JR. D.O., M.P.H.
Preventive Medicine (Aerospace Medicine)
910 17TH ST NW, SUITE 800
WASHINGTON, DC 20006
District of Columbia (202) 223-5535

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 Marguerite Cusack's NPI number?

The NPI number for Marguerite Cusack is 1710435441. It was assigned to this individual provider in the NPPES registry on September 11, 2016.

Where is Marguerite Cusack located?

Marguerite Cusack practices at 910 17th St NW Suite 300, Washington, DC 20006. The listed phone number is (202) 441-5148.

What is Marguerite Cusack's specialty?

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

Is Marguerite Cusack enrolled in Medicare?

No. Marguerite Cusack has opted out of Medicare through July 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 Marguerite Cusack was last updated on September 11, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years 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.