Dr. Dennis Legen Shung, MD

Dr. Shung practices at Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota, part of Mayo Clinic.

Dr. Shung's NPI, 1235540816, was assigned on May 16, 2014. Dr. Shung graduated from Baylor College of Medicine in 2014. Dr. Shung holds Connecticut license 56740.

Dr. Shung's primary practice is Mayo Clinic Hospital, Saint Marys Campus, at 1216 Second Street Southwest, Rochester, MN 55902 in Olmsted County. The practice phone is (507) 255-5123.

Dr. Shung's primary practice is Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota, part of Mayo Clinic. The medical group on file is Mayo Clinic. Dmand AI also links Dr. Shung to 1 more hospice, named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Shung practices, 2 sites in all. Vendor and product names are available with a free account.

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

CMS data shows 14 Medicare services from Dr. Shung across 1 procedure code in 2024, for 24 Medicare patients. Medicare paid $1,490 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 24 Medicare patients who saw Dr. Shung in 2024. The largest group is 65 to 74, with 11 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 46% are also on Medicaid. Their average risk score is 3.40, 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. Shung's median patient age at 64, with 43% women.

In 2017, Dr. Shung wrote 101 Medicare Part D claims. Every claim was for a generic drug. They cover 5 drugs, with $1,385 in total drug cost. In 2016, CMS named 173 claims across 10 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Shung for performance year 2024, reported as part of a group. Dr. Shung accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

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

Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 49 papers to Dr. Shung, published from 2014 to 2025. 2024 was the busiest year, with 15. The most frequent topics are Gastrointestinal Hemorrhage, Machine Learning and Artificial Intelligence. Dr. Shung has published most often in Gastroenterology. Dr. Shung's most frequent co-authors are Loren Anthony Laine, MD, Michael Simonov and Shahnaz Sultan, MD.

CMS Open Payments shows 1 general payment to Dr. Shung from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $103.

Dr. Shung graduated from Baylor College of Medicine in 2014.