Mary S Hoang, MD

Christina Thoma, MD, is a board-certified family medicine physician. Dr. Thoma sees both pediatric and adult patients. She provides annual wellness exams, preventative care, school and sports physicals, routine well-woman exams and gynecological care, and manages acute and chronic illnesses. Conditions she treats include asthma, anxiety, depression, cold and flu symptoms, diabetes, high blood pressure and minor injuries. She gives her patients and their families quality care, supporting them through illness or injury. Dr. Thoma offers education and shared decision-making, empowering patients to lead healthy lives. This practice is part of BJC Medical Group of Missouri.

Scott Roos, MD, is a board-certified family medicine physician who treats patients of all ages, from newborns to adults. He provides preventative care, including annual wellness exams, well-woman exams, vaccinations, school and sports physicals and men’s health. He treats a wide range of conditions, including cold and flu symptoms, asthma, allergies, ADHD, anxiety and depression, congestive heart failure, minor injuries, thyroid disease, obesity, prostate issues, insomnia and restless leg syndrome. He also performs minor dermatology procedures and injections for joint pain. Dr. Roos is a compassionate family medicine practitioner who takes a holistic approach to patient care. He values every patient's unique background and story to offer personalized treatment. Dr. Roos is committed to prescribing the least amount of medication necessary and is known for his honesty and straightforward communication with his patients. Dr. Roos is from Ohio, Texas and Missouri. He enjoys cycling, traveling, scuba diving, reading, watching movies, listening to music and the arts. Dr. Roos earned his medical degree at the Medical College of Ohio in Toledo. He completed his family medicine residency at the University of Missouri, Family and Community Medicine Residency in Columbia, Missouri. This practice is a part of BJC Medical Group of Missouri.

Lisa Scott, FNP-BC, is a board-certified family nurse practitioner providing primary care for the Lake St. Louis and Wentzville areas. Lisa enjoys caring for patients in the outpatient setting, focusing on preventative care and managing chronic conditions. She brings strong clinical skills and compassion for her patients and their whole families to the Lake St. Louis practice. Lisa's practice is part of BJC Medical Group of Missouri, a well-established, multi-specialty physicians group.