Class of 2026

Nathaniel Clennan, MD

Nate Clennan, MD, is a native of Hutchinson, KS. We can all thank Hutch Trinity High School for his decision to become a physician! Dr. Clennan’s junior year Advanced Biology class was the first time he had any formal exposure to human anatomy and physiology. He couldn’t get enough! That summer, he did his first clinical shadowing at the local hospital, an experience that solidified his desire to become a physician. This journey continued at Kansas State University and then, the University of Kansas School of Medicine, Kansas City.

He has many areas of medical interest, so he is excited to see it all! Currently, he is especially enjoying operative and non-operative obstetrics, sports medicine, and point-of-care ultrasound. Dr. Clennan’s favorite thing about being a physician is the relationships he gets to build with patients, especially those he gets to see long-term.

Carlos Guzman, MD

Carlos Guzman, MD is a native of Overland Park, KS. In addition to being passionate about healthy lifestyles, he loves to build lasting relationships and help others achieve their goals. These passions led him to MidAmerica Nazarene University and then the University of Kansas – Kansas City, to complete his MD.

 Dr. Guzman is especially interested in sports medicine and psychiatry. His favorite thing about being a doctor is the “amazing people I have the privilege of serving and working with.”

Josiah McAllister, MD

Josiah McAllister, MD is from Atkinson, a small community in Northeast Nebraska. His upbringing in this town of approximately 1,200 people is the reason he pursued becoming a physician. Dr. McAllister says he, “wanted to go back to help a small town.” This journey into medicine started at Concordia University in Nebraska and continued at the University of Nebraska College of Medicine. While completing his MD, he became a member of the prestigious Alpha Omega Alpha Honor Medical Society.

Dr. McAllister especially enjoys sports and pediatric medicine, as well as obstetrics. His favorite thing about being a physician is getting to see patients and spending time with fellow family medicine residents.

Sarah Shaban, MD

Sarah Shaban, MD, is from Amman, Jordan, the country’s capital. She knew from a young age that she wanted to become a doctor, as she was always drawn to helping people, solving complex problems, and always seeking an intellectual challenge. Dr. Shaban received her MD from University of Jordan, Faculty of Medicine.

She is especially interested in Pediatrics and Women’s Health. If you ask Dr. Shaban about her favorite thing in her job she’ll tell you it is having the opportunity to make a positive impact on people’s lives. She also enjoys talking to and getting to know her patients, as well as watching the little ones grow.

Sara Teague, DO

Sara Teague, DO, is a native of Cheney, KS. She has always had a love of helping people and science – maybe some inspiration from her chemistry teacher mom!

Dr. Teague’s journey to becoming a physician started with her undergraduate degree at Kansas State University, and continued at Kansas City University College of Osteopathic Medicine. She is especially passionate about women’s health – specifically issues that have traditionally been under-treated, such as post-OB care, menopause care, and contraception care. She also loves working with patients on concerns related to dermatology, in-office procedures, endocrine, psychiatry – essentially whole person care!

Her favorite thing about being a physician is being able to “connect with patients and empower them to take an active role in their care. With Family Medicine, I get to be involved in a broad scope of patient problems and conditions. I get to deliver a baby, place an IUD, take care of hypertension patients, and freeze off an AK all in one day!”

Landon Younger, DO

Landon Younger, DO and Walter Chrysler have something in common… being natives of Ellis, Kansas! Dr. Younger always felt that a career where he could help, teach, and learn would be the most rewarding one for him.  His journey to becoming a physician started at Fort Hays State University and continued at Kansas City University College of Osteopathic Medicine.

Dr. Younger especially enjoys preventative medicine and screening. His favorite thing about being a physician is exactly what his younger self imagined it would be – creating a positive impact.