Dr. Robert T. Lewis, MD

Dr. Lewis practices at Saint Francis GI Endoscopy in Windsor, Connecticut.

Dr. Lewis' NPI, 1124175070, was assigned on January 4, 2007. Dr. Lewis graduated from Perelman School of Medicine - Philadelphia in 2005. Dr. Lewis holds Connecticut license 52312.

Dr. Lewis' primary practice is Saint Francis GI Endoscopy, at 360 Bloomfield Avenue, Suite 204, Windsor, CT 06095. The practice phone is (860) 683-9991.

Dr. Lewis' primary practice is Saint Francis GI Endoscopy in Windsor, Connecticut. Dr. Lewis is also affiliated with Saint Francis Hospital. The medical group on file is Trinity Health Of New England Medical Group. Dmand AI also links Dr. Lewis to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lewis practices, 5 sites in all. Vendor and product names are available with a free account.

Colon and rectal surgery is Dr. Lewis' primary specialty in the NPI Registry, under taxonomy code 208C00000X. Dr. Lewis is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery. Dmand AI has Dr. Lewis' licenses on file in 3 states: Connecticut, Minnesota and Pennsylvania.

Dmand AI lists colonoscopy, colon removal, gastrointestinal obstruction and hemorrhoids among the conditions Dr. Lewis treats.

CMS data shows 133 Medicare services from Dr. Lewis across 6 procedure codes in 2024, for 160 Medicare patients. Medicare paid $15,852 for them.

CMS counts 160 Medicare patients who saw Dr. Lewis in 2024. The largest group is 65 to 74, with 72 patients. 75% of them have high cholesterol, and 70% have high blood pressure. 23% are also on Medicaid. Their average risk score is 1.32, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Lewis' median patient age at 68, with 52% women.

In 2024, Dr. Lewis wrote 432 Medicare Part D claims for 196 patients. 80% of them were for generic drugs. CMS names the drug for 348 of them, across 9 drugs with 11 or more claims each, at $686,459 in total drug cost. In 2023, CMS named 265 claims across 9 drugs.

Dr. Lewis accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 23 procedures of colonoscopy by Dr. Lewis, more than 50% of the clinicians it reports for that procedure.

Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 8 papers to Dr. Lewis, published from 2005 to 2023. 2021 was the busiest year, with 2. Dr. Lewis has published most often in Cureus. Dr. Lewis' most frequent co-authors are Amanda Stevenson Ayers, MD, Joshua I. Bleier, MD and Benjamin Marsh Braslow, MD.

CMS Open Payments shows 122 general payments to Dr. Lewis from 30 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 41% of the total. Intuitive Surgical, Inc. paid the most, $4,016.

Dr. Lewis graduated from Perelman School of Medicine - Philadelphia in 2005.

Dr. Lewis is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.