Dr. Ronnie Fass, MD

Dr. Fass practices at MetroHealth Main Campus Medical Center in Cleveland, Ohio, part of Cuyahoga County.

Dr. Fass' NPI, 1780696997, was assigned on August 13, 2006. Dr. Fass holds Ohio license 35120390.

Dr. Fass' primary practice is MetroHealth Main Campus Medical Center, at 2500 Metrohealth Drive, Cleveland, OH 44109 in Cuyahoga County. The practice phone is (216) 778-7089.

Dr. Fass' primary practice is MetroHealth Main Campus Medical Center in Cleveland, Ohio, part of Cuyahoga County. The medical group on file is MetroHealth Professional Group.

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

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

CMS data shows 51 Medicare services from Dr. Fass across 3 procedure codes in 2024, for 73 Medicare patients. Medicare paid $3,986 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 73 Medicare patients who saw Dr. Fass in 2024. The largest group is 65 to 74, with 43 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 27% are also on Medicaid. Their average risk score is 1.67, 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. Fass' median patient age at 70, with 59% women.

In 2024, Dr. Fass wrote 100 Medicare Part D claims for 33 patients. 99% of them were for generic drugs. CMS names the drug for 69 of them, across 3 drugs with 11 or more claims each, at $5,880 in total drug cost. In 2023, CMS named 61 claims across 3 drugs.

Dr. Fass accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 15 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Fass, more than 46% of the clinicians it reports for that procedure.

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

Dmand AI links 184 papers to Dr. Fass, published from 2009 to 2025. 2023 was the busiest year, with 15. The most frequent topics are Gastroesophageal Reflux, Proton Pump Inhibitors and Heartburn. Dr. Fass has published most often in Neurogastroenterol Motil. Dr. Fass' most frequent co-authors are Tiberiu Hershcovici, MD, Chandra Prakash Gyawali, MD and Michael F. Vaezi, MD, PhD.

Dmand AI links Dr. Fass to 2 clinical trials. Conditions studied include Gastroesophageal Reflux, Sleep Hygiene and Esophageal Motility Disorders.

CMS Open Payments shows 170 general payments to Dr. Fass from 19 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 39% of the total. Takeda Pharmaceuticals U.S.A., Inc. paid the most, $98,682. It also lists 5 research payments totaling $94,016 from 2018 to 2024.