1. Home
  2. Directory
  3. New York
  4. New York New York
  5. Internal Medicine
  6. NPI Profile

DR. LEONARD R HARRISON JR. MD
NPI 1245361112
Internal Medicine in New York, NY

Active since March 09, 2007
133 EAST 73RD STREET, #101, NEW YORK, NY 10021(212) 628-7772(212) 628-0746 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: September 13, 2026.

About Dr. Leonard R Harrison Jr. Md NPPES

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

DR. LEONARD R HARRISON JR. MD (NPI 1245361112) is an individual internal medicine provider in New York, New York, licensed in New York (096018) and active in the NPI registry since March 2007.

NPPES Registry Identity

NPI1245361112
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. LEONARD R HARRISON JR.Credential: MD
Location Address133 EAST 73RD STREET, #101New York, NY 10021
Mailing Address133 East 73rd Street, #101New York, NY 10021 · (212) 628-7772 · Fax (212) 628-0746
Phone(212) 628-7772
Fax(212) 628-0746
Sole ProprietorNo
Enumeration DateMarch 9, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1245361112 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NY · 096018
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
133 EAST 73RD STREET, New York, NY 10021
Open in Google Maps ↗

Other Identifiers 5

Medicare UPINC11858
Medicare ID-Type Unspecified684691
Other64692Empire
OtherP1229121Oxford
Other553027Aetna

Other Providers at the Same Location NPPES 4

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

CAROLINA GUZMAN DAVID MD
Internal Medicine (Cardiovascular Disease)
133 EAST 73RD STREET
NEW YORK, NY 10021
New York County (212) 988-4800
FABIO TOBON MD
Internal Medicine
133 EAST 73RD STREET
NEW YORK, NY 10021
New York County (917) 941-8564
DR. LEOPOLD D GALLAND MD
Internal Medicine
133 EAST 73RD STREET, SUITE 308
NEW YORK, NY 10021
New York County (212) 772-3077
GEORGE J FRANKEL MD PC
Internal Medicine
133 EAST 73RD STREET, #208
NEW YORK, NY 10021
New York County (212) 861-9000

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 Harrison's NPI number?

The NPI number for Leonard Harrison is 1245361112. It was assigned to this individual provider in the NPPES registry on March 9, 2007.

Where is Leonard Harrison located?

Leonard Harrison practices at 133 East 73rd Street #101, New York, NY 10021. The listed phone number is (212) 628-7772.

What is Leonard Harrison's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Leonard Harrison was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.