Irwin Marc Lenefsky, LCSW

Clinical Social Worker

Irwin Marc Lenefsky is a Clinical Social Worker based in Brooklyn, NY with over 22 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(718) 877-0044Brooklyn, NY
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Irwin Marc Lenefsky, LCSW has been part of the Brooklyn medical community since 2006 in independent practice. With 22+ years of experience, he has been practicing in the Brooklyn area. 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 ...

1 of 1,957 Social Worker providers in NYSee all Social Worker in Brooklyn22+ years experienceNPI since 2006

Older · 236dNPPES updated 2025-09-29 · verify NPI on CMS · Verify license at New York State Board for Medicine

Contact & Location

Practice Location

1049 38th St, Brooklyn, NY 11219-1012

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Board certified · Sep 28, 2025

    Self-reported via NPPES

  2. 22 years in practice

    Experienced

Social WorkerBehavioral Health & Social Service Providers

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.

Taxonomy: 1041C0700X

Practice Footprint

Mailing address

4089 Ocean Ave, Brooklyn, NY 11235-3714

Differs from practice location

Virtual Social Work Care With Irwin Marc Lenefsky

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Irwin Marc Lenefsky for follow-ups, medication reviews, and ongoing care — no travel to Brooklyn required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Irwin Marc Lenefsky

Dr. Lenefsky is listed as active in the NPI registry with telehealth listed in Brooklyn, NY. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (718) 877-0044.

Verified across 2 federal data sources

Sourced from CMS NPPES · OIG LEIE. See Data Methodology.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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