Dr. Bret A. Lashner, MD

Dr. Lashner practices at Cleveland Clinic Main Campus in Cleveland, Ohio, part of The Cleveland Clinic Foundation.

Dr. Lashner's NPI, 1093772154, was assigned on May 1, 2006. Dr. Lashner graduated from New York University School of Medicine in 1980. Dr. Lashner holds Ohio license 35064451L.

Dr. Lashner's primary practice is Cleveland Clinic Main Campus, at 9500 Euclid Avenue, Cleveland, OH 44195 in Cuyahoga County. The practice phone is (216) 952-9829.

Dr. Lashner's primary practice is Cleveland Clinic Main Campus in Cleveland, Ohio, part of The Cleveland Clinic Foundation. Dr. Lashner is also affiliated with South Pointe Hospital. The medical group on file is Cleveland Clinic. Dmand AI also links Dr. Lashner to 2 more clinical labs, each named with a free account. Dr. Lashner's employer is on file too: a hospital.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lashner practices, 4 sites in all. Vendor and product names are available with a free account.

Gastroenterology is Dr. Lashner's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Lashner is licensed in Ohio.

CMS data shows 433 Medicare services from Dr. Lashner across 8 procedure codes in 2024, for 344 Medicare patients. Medicare paid $22,314 for them.

CMS counts 344 Medicare patients who saw Dr. Lashner in 2024. The largest group is 65 to 74, with 148 patients. 73% of them have high blood pressure, and 73% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.68, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Lashner's median patient age at 49, with 62% women.

In 2024, Dr. Lashner wrote 1,352 Medicare Part D claims for 295 patients. 72% of them were for generic drugs. CMS names the drug for 1,132 of them, across 29 drugs with 11 or more claims each, at $2,474,710 in total drug cost. In 2023, CMS named 1,020 claims across 28 drugs.

Dr. Lashner accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lashner as offering telehealth.

Dmand AI links 51 papers to Dr. Lashner, published from 2010 to 2025. 2012 was the busiest year, with 6. The most frequent topics are Crohn Disease, Inflammatory Bowel Diseases and Cholangitis, Sclerosing. Dr. Lashner has published most often in Inflamm Bowel Dis. Dr. Lashner's most frequent co-authors are Bo Shen, MD, Taha M. Qazi, MD and Benjamin H. Click, MD.

Dmand AI links Dr. Lashner to 1 clinical trial. Conditions studied include Colitis, Ulcerative and Colitis. Open Payments lists research payments to Dr. Lashner that name 1 trial.

CMS Open Payments shows 12 general payments to Dr. Lashner from 4 drug and device companies from 2017 to 2023. Speaker and faculty fees make up the largest share, 87% of the total. Bausch Health Americas, Inc. paid the most, $1,250. It also lists 1 research payment totaling $229 in 2017, naming 1 clinical trial.

Dr. Lashner graduated from New York University School of Medicine in 1980.