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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MR. MICHAEL HOWARD LEIBOWITZ RRT
NPI 1184664138
Respiratory Therapist, Certified in New York, NY

Active since June 07, 2006
227 MADISON ST, NEW YORK, NY 10002(212) 238-7163 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mr. Michael Howard Leibowitz Rrt NPPES

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

MR. MICHAEL HOWARD LEIBOWITZ RRT (NPI 1184664138) is an individual respiratory therapist, certified provider in New York, New York, licensed in New York (0036521) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1184664138
Entity TypeIndividualMale
Primary Taxonomy227800000X
Provider Legal NameMR. MICHAEL HOWARD LEIBOWITZCredential: RRT
Location Address227 MADISON STNew York, NY 10002-7587
Mailing Address52 Meade AvenuePassaic, NJ 07055-3752 · (973) 365-1222
Phone(212) 238-7163
Sole ProprietorNo
Enumeration DateJune 7, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1184664138 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRespiratory Therapist, CertifiedRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Code227800000X
License✔ Licensed in NY · 0036521
Definition
A Certified Respiratory Therapist (CRT) is a an entry level therapist who has passed a standardized written examination administered by the National Board for Respiratory Care (NBRC). CRTs provide diagnostic testing, therapeutics, monitoring, rehabilitation, and education to patients with disorders of the cardiopulmonary system. They provide these respiratory care services in all health care facilities and in the home. A CRT is a graduate of an associate degree program approved by the Commission on Accreditation of Allied Health Educational Programs (CAAHEP) and where applicable, is licensed by the state and is practicing within the scope of the license.
227 MADISON ST, New York, NY 10002
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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.

MEREDITH A WRIGHT M.S., CCC-SLP
Speech-Language Pathologist
227 MADISON ST
NEW YORK, NY 10002
New York County (212) 238-5025
DR. PATRICIA PATRICIA NEIL DDS
Dentist
227 MADISON ST, MEDICAL STAFF
NEW YORK, NY 10002
New York County (212) 238-7614
DR. EILEEN MARIE MILES M.D.
Pediatrics
227 MADISON ST
NEW YORK, NY 10002
New York County (212) 238-7614
MS. CONNIE WAH TAM OT
Occupational Therapist
227 MADISON ST, MEDICAL STAFF OFFICE, ROOM 1249
NEW YORK, NY 10002
New York County (212) 238-7614
BENNY RIGOBERTO GUILLERMO NP
Nurse Practitioner
227 MADISON ST
NEW YORK, NY 10002
New York County (212) 238-7680
DR. MIN XU MD
Internal Medicine
227 MADISON ST
NEW YORK, NY 10002
New York County (212) 238-7409
MS. YUEN FAN WONG LCSW
Social Worker (Clinical)
227 MADISON ST
NEW YORK, NY 10002
New York County (212) 238-7897
DR. JAMES AUSTIN SCHMIDTBERGER MD
Internal Medicine
227 MADISON ST
NEW YORK, NY 10002
New York County (212) 238-8176

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 Michael Leibowitz's NPI number?

The NPI number for Michael Leibowitz is 1184664138. It was assigned to this individual provider in the NPPES registry on June 7, 2006.

Where is Michael Leibowitz located?

Michael Leibowitz practices at 227 Madison St, New York, NY 10002. The listed phone number is (212) 238-7163.

What is Michael Leibowitz's specialty?

The primary specialty registered for this NPI is Respiratory Therapist, Certified with taxonomy code 227800000X.

When was this NPI record last updated?

The NPPES record for Michael Leibowitz was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.