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Our Team


Trey James, MD, medical director of hospitalists, grew up in New Cambria, Missouri, a small town in between Macon and Brookfield.  He attended Medical School at the University of Missouri and went to Internal Medicine Residency at Wake Forest University in North Carolina.  Following residency he worked as a Hospitalist at Wake Forest Baptist Medical Center then returned to Columbia in 2012 and has practiced as a Hospitalist at Boone Hospital since then.  He is currently the Medical Director of the Hospitalist Program.

Dr. James is married, with a step-son, and two boxer dogs.  He and his wife enjoy traveling to beautiful places like Colorado (and New Cambria!) and attending sports games at Mizzou.  He also likes to play Madden football on his phone if he doesn’t have anything else to do (or maybe he does have other things to do and it’s just fun).


Delali Buatsi, MD, joined the Hospitalist group at Boone Hospital Center in 2014. He is a graduate of Westminster College in Fulton, MO and Howard University College of Medicine in Washington, DC. He did his Internal Medicine residency at New York-Presbyterian Queens/Weil Cornell Medical College of Cornell University. He is board certified in Internal Medicine and has been practicing as a Hospitalist since 2012. His clinical interests include delivering quality standard of care, targeting population specific health issues, utilizing resources to develop cost efficient processes and team coordination between specialists and interdisciplinary staff. He is a member of Society of Hospital Medicine, American College of Physicians and American Association for Physician Leadership. 

Dr. Buatsi is a native of Ghana and enjoys traveling with his family, tennis and racquet ball.


Aruna Cheddi, MD, hails from way up north in Toronto, Canada.  She attended the University of Toronto before moving nearly 6000 miles south to attend the Medical University of the Americas.  Following residency at SIU School of Medicine she and her husband moved to Columbia so he could attend the University of Missouri as a Psychiatry Resident.  

When Dr. Cheddi isn’t working or doing low-key activities like painting or hanging out with family and friends, she enjoys doing more adventurous things like zip lining and tree top trekking.


Jordan Heath, MD, grew up in Pine Bluff, Arkansas and lived in Arkansas her entire life before moving to Columbia!  She received a B.S. in Biology and Spanish from Lyon College and attended the University of Arkansas for Medical Sciences for both medical school and Internal Medicine residency.  Dr. Heath’s clinical interests include Internal Medicine and Allergy and Immunology.

Dr. Heath and her husband, Dr. Ryan Heath, moved to Columbia with their dog Bentley to allow her husband to pursue a fellowship at the University of Missouri.  Dr. Heath enjoys watching SEC football (Go Tig…ahem, Razorbacks!), reading, baking, and playing with Bentley.  Some of her favorite things about Columbia are the awesome food and great trails—and the fact that the weather is cooler than in Arkansas.


Martha Herring, MD, is originally from Rochester, Minnesota.  She attended medical school at the University of Minnesota and residency at UT Southwestern.  She is passionate about providing quality patient care.  

Dr. Herring is married (to a Texan!).  In her spare time, she enjoys farming and photography.


Josh Mongler, MD, grew up on a farm in Mexico, Missouri. After earning a degree in chemical engineering at Missouri S&T, he then completed his medical school and residency training at the University of Missouri-Columbia.  His clinical interests include diabetes mellitus, congestive heart failure, COPD, community-acquired infections, and healthcare-associated infections.

Dr. Mongler is married to Ashley and they have two children, Frederick and Eva.  He enjoys hunting, fishing, reading, cheese-tasting, and spending time with his family.


Rice Petrie, MD, hails from Kansas City, Missouri (Go Royals!).  For medical school, he attended St. George’s University, followed by residency at the University of Nevada-Reno School of Medicine.  Dr. Petrie loves to be up at night, which is why he’s one of Boone Hospital’s nocturnists.  

Dr. Petrie and his wife have a five-year-old son, and they think he’s pretty awesome.  Their family is also blessed by a two year old Holland Lop rabbit, Dexter Bun Bun.  When Dr. Petrie isn’t sleeping during the day, he and his family, who are huge sports fans, love to attend Kansas City Royals, Sporting Kansas City, MIZZOU Football, and St. Louis Blues games.


Garrel Renick, DO, was born and grew up in Sullivan, Missouri--a rural, farming and mining community on the northern edge of the Ozarks about an hour southwest of St. Louis. He had a mostly bucolic childhood living next to his grandparents' farm, with lots of family, pets, farm animals, motorcycles, and great teachers that cared about him. He later moved to Columbia to study engineering at the University of Missouri and graduated with Bachelor of Science degrees in Electrical & Computer Engineering. He enjoyed a career in information technology before deciding to pursue his interests in medicine. Dr. Renick attended medical school at Kansas City University of Medicine and Biosciences. After graduating with his Doctor of Osteopathic Medicine degree, he completed residency training in Internal Medicine at Wellington Regional Medical Center, a community residency program in the West Palm Beach, Florida metropolitan area that is part of the Lake Erie College of Osteopathic Medicine consortium. 

Dr. Renick is board-certified in Internal Medicine. He loves caring for adults of all ages, and is proud to be a member of the talented Hospitalist team at Boone Hospital Center. His primary clinical interest is Hospital Medicine and other clinical interests include adult primary care, Integrative Medicine, and Osteopathic Manipulative Medicine (OMM). In his spare time, Dr. Renick enjoys the great outdoors, swimming, skiing, motorcycling, sailing, reading, travel, art, music, playing guitar, and computing.


Jeffrey Robinson, MD, is originally from the big city of Chattanooga, TN but came to Columbia by way of Columbus, MS.  He went to medical school at Saba University and completed residency in the Baton Rouge Internal Medicine Residency Program.  Dr. Robinson is very interested in adult medicine, and since he’s a night owl, he’s a Boone Hospital nocturnist who cares for his patients during the hours the rest of us like to be asleep.

Dr. Robinson and his wife, Ronda, have one son, Jeremy, and two cats-who-think-they-are-humans named Casper and Walker.  Dr. Robinson is a Trekkie and avid Star Wars fan who loves logging his daytime hours playing video games or other medieval fantasy games. 


Anita Sarathi, MD, was born and raised in Bartlesville, OK.  She attended Tufts University for medical school and then moved to Missouri to complete her residency at Washington University and Barnes-Jewish Hospital.  Dr. Sarathi’s clinical interests include infectious diseases and preventative medicine, both areas she has the chance to delve into as a hospitalist. 

Dr. Sarathi and her husband recently welcomed the birth of their first daughter so when she’s not at Boone Hospital or being a mom, Dr. Sarathi can be found hiking or running outdoors…or maybe fiddling around on the guitar.


Stephanie Schen, MD, is originally from Evansville, IN.  She attended Ross University for medical school and then residency in Internal Medicine at St. Vincent Hospital.  She loves being a physician because it combines her passion for science with a human touch.

Dr. Schen and her husband, Ryan, moved to Columbia so he could complete his fellowship in Pulmonary and Critical Care at the University of Missouri.  When they’re not both busy being doctors, they love to spend time traveling together or enjoying the great outdoors.


Angela Yuen, DO, was raised in Washington, MO.  She moved to Columbia to attend the University of Missouri and then went to Kansas City University of Medicine and Biosciences for medical school.

Dr. Yuen and her husband, Dan, enjoy cheering on the Mizzou football and basketball teams, spending time with their family and friends, and taking trips to various fun places around the globe.


Dawn Morrow, NP, grew up on a small farm in Russellville, MO.  After completing an undergraduate degree at the University of Missouri, she pursued a graduate degree at the University of Southern Indiana while continuing to work in the intensive care unit as a registered nurse.  Since then, she has been working as a nurse practitioner with the great Boone Hospitalist team.  When she’s not at work, she enjoys spending time with her family and occasionally remodeling a house that has been a very slow work in progress.


Melissa Freese, NP, was born and raised in Houston, MO, a town two hours south of Columbia.  She attended Lincoln University for her BSN and Graceland University for her MSN and FNP.  Melissa’s clinical interests include gastroenterology and infectious diseases.

Melissa has two grown children and she and her husband are lucky to have a large extended family in the area.  In her free time, she enjoys reading a good book and going on walks and bike rides.

Find a doctor or make an appointment: 573.815.6400
General Information: 573.815.8000
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1600 E. Broadway, Columbia, MO 65201
telephone: 573.815.8000