Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Sullivan Internal Medicine Group, PC

Organization Internal Medicine Physician · NPI 1841295474

Sullivan Internal Medicine Group, PC is an Internal Medicine Physician in Monticello, New York. Licensed in New York. Registered with an NPI since 2005.

Licensed in
NY
In the registry since
2005
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

518 Broadway
Monticello, NY 12701-1157
Phone: (845) 794-1600
Fax: (845) 794-0749
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence W00071 (NY)

Record details

NPI number1841295474
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Sheldon Leidner — President · (845) 794-1600
NPI enumeratedJune 20, 2005
Last updated in NPPESAugust 22, 2020
Mailing address518 Broadway, Monticello, NY 12701-1157

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