Jonathan B. Lis, MD
About This Business
Jonathan B. Lis, MD, is an internal medicine physician in Waterbury, Connecticut, in practice for 8 years since graduating from the University of Connecticut School of Medicine in 2018. He is one of six internal medicine doctors among the 180 Waterbury physicians in our directory. He holds an active Connecticut license, accepts Medicare, and his CMS profile lists a nursing home affiliation. Telehealth is not currently listed among his services. Patients rate him 4.0 across 4 reviews.
Verified Provider Info
- Specialty (per registry)
- Internal Medicine
- NPI Number
- 1528558939
- Medical school graduate
- 2018 (8+ years of practice)
- Medical school
- UNIVERSITY OF CONNECTICUT SCHOOL OF MEDICINE
- State license
- 67341 (CT)
Source: NPPES NPI Registry (CMS) · CMS Doctors & Clinicians dataset · checked 2026-08-18
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Information last updated: September 7, 2026
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