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Midwest Aortic & Vascular Institute (MAVI) is an accredited Vascular Surgery Fellowship Program by the Accreditation Council for Graduate Medical Education (ACGME).

The MAVI-sponsored program provides comprehensive vascular education and training experiences leading to the development of clinically and technically competent vascular surgeons who provide high quality, consistent care and are professionals capable of practicing effectively in a wide range of vascular surgery settings.

Training sites are at MAVI and MAVI-affiliated hospitals: Liberty Hospital and North Kansas City Hospital.

The MAVI Fellowship Program complies with ACGME accreditation requirements, available on the ACGME website ACGME accreditation requirements.

Program Director: Michael K. Deiparine, MD, FSVS, FACS

Clinical Manager, Program Coordinator: Nicole Kramer, RN

For more program information or an application, contact Nikki Kramer, RN, Clinical Manager, Fellowship Program Coordinator, at or call (816) 890-9099.

Fellow David Shanberg
Troy Tyler,  DO, Fellow


David Shanberg, MD, finished his five-year general surgery residency at the University of Missouri-Kansas City (UMKC) in June 2021 and after a one-month respite started his vascular surgery training in Midwest Aortic & Vascular Institute's ACGME-accredited Fellowship program.

Dr. Shanberg earned his undergraduate degree from Drake University in Biochemistry, Cell and Molecular Biology in 2009. He attended Ross University School of Medicine, completing his medical degree with honors in 2015. Dr. Shanberg was named Resident of the Year by UMKC Surgery five straight years, as well as UMKC Trauma Surgery Resident of the Year and Outstanding Surgical Resident at Saint Luke's Hospital in his final year of residency.   

He was awarded a one-year internship working in the Cardiovascular Research Institute at the University of Kansas Medical Center and has published several peer reviewed journal articles and abstracts. 

In addition to his passion for medicine, Dr. Shanberg enjoys traveling with his wife to new destinations, going to the dog park with their two dogs, playing basketball and racquetball, weight lifting, attending sporting events, outdoor music festivals and concerts. 


Troy Tyler, DO, began his medical training journey earning an undergraduate degree at the University of Georgia. In the following 12 months, he attended Georgia Medical Academy earning his Emergency Medical Technician certification. Dr. Tyler then attended Alabama College of Osteopathic Medicine, completing his medical degree in 2017.

Dr. Tyler finished his five-year general surgery residency at St. Mary’s Medical Center in Blue Springs. After a one-month hiatus, he began his specialty training with MAVI’s vascular surgery fellowship.

In addition to his love for medicine, Dr. Tyler enjoys playing baseball, training his dogs and doing anything outdoors with his friends and family!

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