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St. Louis Family Medicine Residents

The Saint Louis University School of Medicine's Family and Community Medicine program has residents from a variety of medical schools and specialties. 

 Class of 2021

Michael Baltes, M.D.
Michael Baltes, M.D.

Undergraduate: Saint Louis University, B.S. in public health
Medical School: Saint Louis University School of Medicine

Michael is a native of Cleves, Ohio although he has spent much of his adult life in St. Louis. He is one of the two co-chiefs this year. He earned his B.S. in Public Health from St. Louis University before doing the Jesuit Volunteer Corp for a year. He then returned to St. Louis University to complete his medical degree where he received a National Health Service Corps Scholarship, a distinction in community service award, and was inducted into the Gold Humanism Honor Society. Michael is passionate about academics, teaching, and addiction medicine. In his free time he enjoys hiking, reading, working out in the Cardiac Rehab gym, and exploring the food scene of St. Louis.


Mindy Guo, M.D.
Mindy Guo, M.D.

Undergraduate: University of Southern California, B.S. in biochemistry
Medical School: Washington University School of Medicine

Mindy grew up in Albuquerque, New Mexico and earned her B.S. in Biochemistry from the University of Southern California (USC). She earned her Doctorate of Medicine from Washington University in St. Louis where she received the Harrison Scholarship and was inducted into the Gold Humanism Honor Society. Mindy is passionate about women’s health, reproductive rights, advocacy, underserved medicine, addiction medicine, and public health. Mindy and her co-resident, Dr. Rada, were recently awarded an AAFP grant to improve access to Medication-Assisted Treatment for opioid use disorder in the areas surrounding our clinic. Mindy will be starting her Master’s in Public Health at Washington University in St. Louis this upcoming year and her future plans include involvement in academics, research, and continuing to work at an underserved outpatient clinic. Outside of work, Mindy enjoys gardening, cooking, traveling, camping/backpacking/hiking, and hanging out with her husband and two rescue pups.


John Heafner, M.D.
John Heafner, M.D., M.P.H.

Undergraduate: Saint Louis University, B.S. in public health
Graduate: Saint Louis University, M.P.H. in public health
Medical School: Saint Louis University School of Medicine

John is a native of St. Louis. He is one of the two co-chiefs this year. He received his B.S., M.P.H., and M.D. with distinction in community service from St. Louis University. He was inducted into the Gold Humanism Honor Society during medical school. He also serves as the Resident Director on the Missouri Academy of Family Physicians Board of Directors. John is passionate about chronic disease management, addiction medicine, and homeless healthcare. In his free time he enjoys running especially with his 2 dogs, Bailey and Goose, spending time outdoors, exploring Missouri wineries with his wife, Nicole, and playing with his daughter, Finley.


Yu Jen Lun, M.D.
Yu Jen Lun, M.D.

Undergraduate: University of Maryland, B.S. in neurobiology and physiology
Medical School: Saint Louis University School of Medicine

Jen was born in China and grew up in Maryland. She earned her B.S. in Neurobiology and Physiology from the University of Maryland-College Park, where she also spent time volunteering as a mentor for children of incarcerated parents. She earned her Doctorate of Medicine from St. Louis University. During residency, she developed a passion for diabetes management and preventative medicine, and has been involved in managing multiple patients throughout the year in a diabetes-focused group. In her free time, Jen enjoys exploring ethnic restaurants, second-hand shopping, going to estate sales, and participating in various 5Ks. Jen has a strong love for animals and is currently the proud parent of numerous animals including a dog, three cats, and variable number of ducks.


Rebecca Rada, D.O.
Rebecca Rada, D.O., M.B.A., M.S.

Undergraduate: Kansas State University, B.S. in biology
Graduate: Kansas City University of Medicine and Biosciences, M.S. in biomedical sciences; Rockhurst University, MBA in health care leadership
Medical School: Kansas City University of Medicine and Bioscience

Rebecca (she/her) was born and raised in Lake Quivira, Kansas, just outside of Kansas City. She received a B.S. in Biology from Kansas State University and went on to receive a M.S. in Biomedical Sciences as well as her Doctorate of Osteopathic Medicine at Kansas City University. While in medical school, she received an MBA in Healthcare Leadership from Rockhurst University. Rebecca is passionate about LGBTQ+ healthcare, women’s health, and the treatment of patients with substance use disorder. She is committed to advocating for historically marginalized patients and ensuring their voices are heard in an empathic and affirming way. Rebecca and her co-resident, Dr. Guo, were recently awarded an AAFP grant to improve access to Medication-Assisted Treatment for opioid use disorder in the areas surrounding our clinic. Outside of work, Rebecca enjoys taking care of her succulents, propagating cacti, advocating for social justice issues, going to local restaurants and coffee shops, traveling, and spending time with her partner and two dogs.


Marina Tawfik, M.D.
Marina Tawfik, M.D.

Undergraduate: University of Richmond, B.A. in chemistry
Medical School: Saint Louis University School of Medicine

Marina was born in Egypt and grew up in New York City. She received a B.A. in Chemistry from the University of Richmond and her Doctorate of Medicine from St. Louis University. Before starting residency, Marina participated in a variety of medical mission trips to Peru, Nicaragua, and Guatemala. During her intern year, she was able to travel to Honduras for a mission trip focused on providing medical care to women affected by human trafficking. Marina is passionate about diabetes management and helps manage a clinic specifically focused on treating patients with diabetes in a comprehensive group setting. She is also passionate about supporting women and children who are victims of human trafficking. In her free time, she enjoys nature photography, traveling, and volunteering with her church community.


 Class of 2022

Jacquelyn Bailey, MD
Jacquelyn Bailey, M.D., M.P.H.

Undergraduate: Xavier University, B.S. in Biology, B.A. in Spanish
Graduate: University of Arkansas, M.P.H. 
Medical School: University of Arkansas for Medical Sciences

Jackie is originally from Little Rock, AR (Woo-Pig-Sooie!) but grew up in St. Louis (Go Cards!). She attended college at Xavier University in Louisiana where she earned a B.A. in Spanish, B.S. in Biology, and a minor in Chemistry. Prior to medical school she worked as a Special Procedure Technician in a Gross Pathology lab and as a Forensic DNA Analyst. She earned her M.P.H. and M.D. at the University of Arkansas for Medical Sciences. Jackie is passionate about women’s health, mitigating health disparities that disproportionately impact the African American community, and working in underserved areas of medicine. Outside of work, Jackie enjoys biking, yoga, attending concerts and plays, and traveling. She is a proud member of Delta Sigma Theta Sorority, Inc. OO-OOP!


Marco Garcia, D.O.
Marco Garcia, D.O.

Undergraduate: Texas A&M University, B.A. in English
Medical School: William Carey University College of Osteopathic Medicine

Marco hails from far west Texas near the US-Mexico border, and has family from both sides. He read English at Texas A&M University, then completed a post-baccalaureate pre-medical certificate at Montana State University before attending William Carey University College of Osteopathic Medicine, where he received his Doctorate of Osteopathic Medicine. He was drawn to SLU Family Medicine by the opportunity to work in a FQHC with a diverse and underserved, urban patient population. An avid baseball fan he is excited to be in an MLB city, and learning to cheer the Cards, having grown up a Braves and Cubs supporter. In his free time, he enjoys golfing, hiking, the zoo, the theatre, and partaking in the burgeoning STL food scene. He is a doting father to a toddling son.


Jacob Lanter, M.D.
Jacob Lanter, M.D.

Undergraduate: Southeast Missouri State University, B.S. in biomedical science
Medical School:Southern Illinois University School of Medicine

Jacob grew up in Freeburg, IL, a small rural town just 25 minutes across the river. He attended Southeast Missouri State University in Cape Girardeau for undergraduate studies, and Southern Illinois University School of Medicine for his medical degree. Basically, he's been circling St. Louis for most of his life, and always loved the city. This was a big factor in choosing SLU Family Medicine for residency, along with a desire to work at an FQHC. During medical school, Jacob served as a Student Delegate for the Illinois State Medicine Society and American Medical Association, and he hopes to remain involved in organized medicine during his residency and career. Outside of medicine, Jacob’s interests are listening to and playing music (any instrument he can get his hands on), outdoor activities (biking, hiking, and running), grilling/barbecuing, hanging out with friends and spending time with his girlfriend, Lyn.


Antonio Rosales, D.O.
Antonio Rosales, D.O.

Undergraduate: Western Illinois University, B.S. in biology
Medical School: Des Moines University College of Osteopathic Medicine

Antonio was born in Mexico and grew up in rural Illinois. He earned his B.S. in Biology from Western Illinois University. After college, Antonio moved to Iowa and attended Des Moines University College of Osteopathic Medicine where he earned his Doctorate in Osteopathic Medicine. While in medical school, Antonio was the present of the Latino Medical Student Association through which he started a partnership with Proteus, a migrant worker clinic, and Al Exito Youth program. Antonio is passionate about serving all underserved individuals, but he holds a special place in his heart for those in the Latino community. Antonio also enjoys rock climbing, cooking, hiking, and playing soccer.


Alexandra Sawicki, D.O.
Alexandra Sawicki, D.O.

Undergraduate: Tulane University, B.S. in cell and molecular biology, B.S. in anthropology
Medical School: University of Pikeville-Kentucky College of Osteopathic Medicine

Alex grew up in Las Vegas, Nevada. She moved to New Orleans, LA, to attend Tulane University for her undergraduate education (BA - Anthropology and BS- Cell and Molecular Biology. Following graduation, she took a gap year to join Americorps and moved to New York, NY. While there she rebuilt homes that had been destroyed by Hurricane Sandy. While part of Americorps she was accepted to the Kentucky College of Osteopathic Medicine, and at the conclusion of her Americorps term, she relocated to Pikeville, KY. While in Pikeville, Alex was privileged enough to be able to start serving a medically underserved community. It was in this service that providing medical care to at-risk populations became one of Alex’s driving factors in selecting a residency program. She selected SLU Family Medicine Residency to use her medical education to help people within an urban underserved area. She is passionate about providing quality medical care to persons that the medical system often leaves behind. Additionally, in selecting SLU Family Medicine Residency is hoping to further her medical knowledge regarding caring for the LGBTQA+ community and persons suffering from substance abuse.


Hannah Webber, M.D.
Hannah Webber, M.D.

Undergraduate: Wellesley College, B.A. in Sociology
Medical School: University of Missouri-Columbia School of Medicine

Hannah was born and raised in the south side of Chicago, and moved to St Louis during high school. She studied Sociology at Wellesley College, where she learned about the effects of sociopolitical forces on personal choices and developed an interest in how social factors shape health choices. She had the opportunity to study public health systems abroad in India, Vietnam, and South Africa, where she experienced different approaches to the problems of health disparities. After college, she returned to Missouri to attend the University of Missouri, Columbia for medical school. An interest in working with socioeconomically, racially, and culturally diverse patients drew her to Family Medicine at SLU. Hannah loves working with patients and staff at an FQHC, while learning hospital medicine at an urban community hospital. In her free time Hannah enjoys spending time outdoors with her partner Lauren and dog Bruiser, and exploring new restaurants.


Class of 2023

Ryan Allen, M.D.
Ryan Allen, M.D.

Ryan grew up in Las Vegas, NV. He earned a Bachelor of Science in Biology at the University of Nevada and a Doctorate in Medicine from the University of Nevada, Reno School of Medicine. In addition to medicine, Ryan has a passion for teaching and wellness and was a Board Member on the Nevada Physician Wellness Coalition. Outside of medicine, Ryan enjoys most outdoor activities, such as hiking, snowboarding, and fishing. He also enjoys working with his hands while cooking, building Legos, and being a terrible pottery maker/painter.


Jessica T. Auld, M.D.
Jessica T. Auld, M.D.

Jessica is originally from Los Angeles, CA. She earned an Honors Bachelor of Science in Investigative and Medical Sciences from Saint Louis University and subsequently received her Doctorate in Medicine from Medical College of Wisconsin in Milwaukee, WI. She has a passion for quality improvement within healthcare and has earned the Basic Certificate in Quality and Safety through the IHI. She also enjoys teaching in both medical and community settings. Outside of medicine, Jessica enjoys discovering new local restaurants and hiking trails, planning road trips, and getting together with friends and family for game nights.


Anthony Hang, D.O.
Anthony Hang, D.O.

Anthony grew up in Chicago, IL to a family of refugees who were forced to escape the Vietnam War by boat. He earned a Bachelor of Science degree in Biological Sciences at the University of Illinois – Chicago. Anthony received his Doctorate in Osteopathic Medicine from Lincoln Memorial University – Debusk College of Osteopathic Medicine. Outside of medicine, Anthony enjoys basketball, playing piano, arranging orchestral pieces, as well as cooking for others.


Kenneth "Alston" Lee, D.O.
Kenneth "Alston" Lee, D.O.

Alston is from Caruthersville, MO. He earned a Bachelor of Science in Biology-Biomedical Sciences at Southeast Missouri State University and received his Doctorate of Osteopathic Medicine from the New York Institute of Technology College of Osteopathic Medicine, where he was a Regional Representative for the Student Government. In his leisure time, Alston enjoys barbecuing, cooking with his wife, sports, and spending time with his family.


Dymon Morgan, M.D.
Dymon Morgan, M.D.

Dymon is from Smyrna, GA. She earned a Bachelor of Art degree in Psychology from Spelman College and her Doctorate of Medicine from Morehouse School of Medicine in Georgia. She is passionate about service and being involved in the community. Prior to starting medical school, Dymon joined the Teach for America program where she taught 11th graders in Houston. After that experience, she moved to Korea and taught English. In her leisure time, Dymon enjoys CrossFit, traveling, hiking and trying new restaurants.


Carmen Purvis, M.D.
Carmen Purvis, M.D.

Carmen grew up in Texas in a multigenerational household. She earned a Bachelor of Science degree in Psychology from Prairie View A&M University. Carmen received her Doctorate of Medicine with a Scholarly Concentration in Medical Humanities from the McGovern Medical School at the University of Texas in Houston. Outside of medicine, Carmen’s interests include reading, crocheting, baking, attending theater performances, and going to the symphony. She developed an appreciation of orchestral music while learning to play the French Horn.