1. Home
  2. Directory
  3. New York
  4. Tarrytown
  5. Clinic Center
  6. NPI Profile

LEONARD S. SCHLEIFER, M.D.
NPI 1275997561
Clinic/Center - Corporate Health in Tarrytown, NY

Active since April 12, 2016
777 OLD SAW MILL RIVER RD, TARRYTOWN, NY 10591(914) 346-7440 Get Directions Write a Review

NPPES record last updated: April 12, 2016. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Leonard S. Schleifer, M.d. NPPES

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

LEONARD S. SCHLEIFER, M.D. (NPI 1275997561) is a healthcare organization registered as a corporate health in Tarrytown, New York and active in the NPI registry since April 2016. The organization lists Leonard Steven Schleifer, President &ceo, as its authorized official.

NPPES Registry Identity

NPI1275997561
Entity TypeOrganization
Primary Taxonomy261QC1800X
Legal Business NameLEONARD S. SCHLEIFER, M.D.
Location Address777 OLD SAW MILL RIVER RDTarrytown, NY 10591-6717
Mailing Address777 Old Saw Mill River RdTarrytown, NY 10591-6717 · (914) 346-7440
Phone(914) 346-7440
Organization SubpartNo
Authorized OfficialLeonard Steven SchleiferPresident &ceo · (914) 345-7440
Enumeration DateApril 12, 2016
✔ NPI 1275997561 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Corporate HealthAmbulatory Health Care Facilities
Taxonomy Code261QC1800X
License✔ Licensed in NY · 147696
777 OLD SAW MILL RIVER RD, Tarrytown, NY 10591
Open in Google Maps ↗

Other Providers at the Same Location NPPES

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

DR. NED BRAUNSTEIN M.D.
Internal Medicine (Rheumatology)
777 OLD SAW MILL RIVER RD, REGENERON PHARMACEUTICALS
TARRYTOWN, NY 10591
Westchester County (914) 847-3099

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 Leonard S. Schleifer, M.D.'s NPI number?

The NPI number for Leonard S. Schleifer, M.D. is 1275997561. It was assigned to this organization in the NPPES registry on April 12, 2016.

Where is Leonard S. Schleifer, M.D. located?

Leonard S. Schleifer, M.D. is located at 777 Old Saw Mill River Rd, Tarrytown, NY 10591. The listed phone number is (914) 346-7440.

What is Leonard S. Schleifer, M.D.'s specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Corporate Health, with taxonomy code 261QC1800X.

When was this NPI record last updated?

The NPPES record for Leonard S. Schleifer, M.D. was last updated on April 12, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.