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

Dr. Robert I Leventhal, MD

Individual provider Gastroenterology Physician · NPI 1275506214

Dr. Robert I Leventhal, MD is a Gastroenterology Physician in Waterbury, Connecticut. Licensed in Connecticut. Registered with an NPI since 2006.

Licensed in
CT
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1312 W Main St Ste 101
Waterbury, CT 06708
Phone: (203) 756-6422
Fax: (203) 756-2448
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 029930 (CT)

Record details

NPI number1275506214
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 9, 2006
Last updated in NPPESApril 27, 2018
Mailing address166 Waterbury Rd, Ste 104, Prospect, CT 06712-1246

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