Rocio Zeballos Chavez, MD

H. Thomas Johnson, MD, is board-certified in sleep medicine and family medicine. He works as a pediatric and adult sleep specialist. He has been in practice in the St. Louis area since 2007. He graduated from the University of Missouri-Columbia with his medical degree and completed his residency at St. Vincent’s HealthCare in Jacksonville, Fla. After completing his residency, Dr. Johnson practiced family medicine for five years. He then went on to complete a fellowship in sleep medicine at Saint Louis University before joining SSM Health. Dr. Johnson has also served as the President of the Missouri Sleep Society and is involved in the American Academy of Sleep Medicine.

SSM Health Cancer Care in Lake Saint Louis, MO, is a department of SSM Health St. Joseph Hospital - Lake Saint Louis, offering exceptional care and treatment for cancer patients. Their team of board-certified oncologists, specialists, and nurse navigators provide comprehensive services, including cancer care, hematology, radiation oncology therapy, financial counseling, and survivorship navigation. Located in the HW Koenig building, SSM Health Cancer Care is conveniently situated on the hospital campus, providing easy access to a range of medical specialties. With state-of-the-art facilities and advanced technologies like Varian TrueBeam Linear Accelerator and Image-Guided Radiation Therapy, they are dedicated to supporting patients in their journey to cancer recovery.Generated from the website

Dr. Tyree is board certified in internal medicine. His medical degree was earned at Saint Louis University School of Medicine. Dr. Tyree then did an internship at the University of Missouri—Kansas City, followed by residency at Kansas University in Kansas City, Kansas. He has a special medical interest in diabetes, cholesterol and hypertension. Dr. Tyree has been awarded recognition from the National Committee for Quality Assurance (NCQA) Diabetes Physician Recognition Program for meeting national standards for diabetes care.