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Clinical Social Worker

Irwin M. Lenefsky

Sees patients in Brooklyn, NY · New York

Summary

Irwin M. Lenefsky (Clinical Social Worker) is enrolled with Medicare at 2 practice locations in Brooklyn, NY. NPI 1811969751. Source: CMS National Downloadable File, updated 2026-10-02.

Call(718) 704‑0200 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Irwin M. Lenefsky, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

2Practice locations
Clinical Social WorkerPrimary specialty
May acceptAccepts Medicare assignment
YesOffers telehealth
22Years since medical school (graduated 2004)
MaleGender (as listed)
Brooklyn 38 LCSW PLLCGroup practice (+1 more)

Quick answers

Where does Irwin M. Lenefsky see patients?
Medicare's clinician data lists 2 practice locations, including Brooklyn, NY. Call before your visit to confirm the address.
What is Irwin M. Lenefsky's specialty?
Medicare lists Clinical Social Worker as the primary specialty.
Does Irwin M. Lenefsky accept Medicare assignment?
Medicare's clinician data says Irwin M. Lenefsky may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
Does Irwin M. Lenefsky offer telehealth?
Medicare's clinician data says Irwin M. Lenefsky offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Irwin M. Lenefsky?
(718) 704-0200, as listed in official Medicare / NPI Registry data.
What is Irwin M. Lenefsky's NPI number?
1811969751. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Irwin M. Lenefsky is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Irwin M. Lenefsky as a member of these groups (CMS data updated 2026-10-02).

  • Brooklyn 38 LCSW PLLC2 clinicians in the group
  • Metropolitan Community Services Inc2 clinicians in the group

Specialties

Find other clinicians: Clinical Social Worker, New York →

Other clinical social workers in Brooklyn

Clinicians with the same Medicare primary specialty in Brooklyn, NY — not a recommendation.

All clinical social workers in Brooklyn →

Clinician information

Graduation year2004
Gender (as listed)Male
Medicare assignmentMay accept for some services
TelehealthOffers telehealth services
NPI (National Provider Identifier)1811969751
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians