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SULLIVAN INTERNAL MEDICINE GROUP, P.C.
NPI 1841295474
Internal Medicine in Monticello, NY

Active since June 20, 2005
518 BROADWAY, MONTICELLO, NY 12701(845) 794-1600(845) 794-0749 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Sullivan Internal Medicine Group, P.c. NPPES

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

SULLIVAN INTERNAL MEDICINE GROUP, P.C. (NPI 1841295474) is a healthcare organization registered as an internal medicine in Monticello, New York and active in the NPI registry since June 2005. The organization lists Sheldon D. Leidner, President, as its authorized official.

NPPES Registry Identity

NPI1841295474
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameSULLIVAN INTERNAL MEDICINE GROUP, P.C.
Location Address518 BROADWAYMonticello, NY 12701-1157
Mailing Address518 BroadwayMonticello, NY 12701-1157 · (845) 794-1600 · Fax (845) 794-0749
Phone(845) 794-1600
Fax(845) 794-0749
Organization SubpartNo
Authorized OfficialSheldon D. LeidnerPresident · (845) 794-1600
Enumeration DateJune 20, 2005
Last NPPES UpdateAugust 22, 2020
✔ NPI 1841295474 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 · W00071
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.
518 BROADWAY, Monticello, NY 12701
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

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.

JONATHAN R. WEISS MD, FCCP
Internal Medicine (Pulmonary Disease)
518 BROADWAY
MONTICELLO, NY 12701
Sullivan County (845) 794-1600
SHELDON D. LEIDNER MD
Internal Medicine (Gastroenterology)
518 BROADWAY
MONTICELLO, NY 12701
Sullivan County (845) 794-1600
GARY C GARFIELD DO
Internal Medicine (Pulmonary Disease)
518 BROADWAY
MONTICELLO, NY 12701
Sullivan County (845) 794-1600
MIDDLETOWN MEDICAL PC
Internal Medicine
518 BROADWAY
MONTICELLO, NY 12701
Sullivan County (845) 794-1600

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 Sullivan Internal Medicine Group, P.C.'s NPI number?

The NPI number for Sullivan Internal Medicine Group, P.C. is 1841295474. It was assigned to this organization in the NPPES registry on June 20, 2005.

Where is Sullivan Internal Medicine Group, P.C. located?

Sullivan Internal Medicine Group, P.C. is located at 518 Broadway, Monticello, NY 12701. The listed phone number is (845) 794-1600.

What is Sullivan Internal Medicine Group, P.C.'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 Sullivan Internal Medicine Group, P.C. was last updated on August 22, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.