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

Long Island Gastroenterology and Liver Disease PC

Organization Internal Medicine Physician · NPI 1194025973

Long Island Gastroenterology and Liver Disease PC is an Internal Medicine Physician in Smithtown, New York. Registered with an NPI since 2010.

In the registry since
2010
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

48 Route 25A Ste 307
Smithtown, NY 11787-1454
Phone: (631) 265-0062
Fax: (631) 265-0590
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X

Record details

NPI number1194025973
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Zvi Alpern — President · (631) 265-0062
NPI enumeratedOctober 27, 2010
Last updated in NPPESNovember 23, 2010
Mailing address48 Route 25a Ste 307, Smithtown, NY 11787-1454

Other providers in Smithtown