About
Dr. Katy Liu, MD, FAAFP, is a board-certified family physician and the founder of Olive Branch DPC in Maryland Heights, Missouri. She earned her Bachelor of Science in Biochemistry from Iowa State University and her medical degree from the University of Iowa Carver College of Medicine. She completed her residency at the Via Christi Family Medicine Residency Program in Wichita, Kansas, a program under the Graduate Medical Education of the University of Kansas.
Born in Taiwan and raised in Ames, Iowa, Dr. Liu has called St. Louis home since late 2014. Before opening Olive Branch DPC, she worked at SSM Health Medical Group and spent earlier years in locum tenens roles across rural Kansas, urgent care, and a federally qualified health center. She also volunteered for a month each in 2012 and 2014 at medical missions in Niger. Dr. Liu speaks fluent English and Mandarin Chinese. She chose family medicine for its breadth, caring for patients across every age and stage of life. She sees medicine as a calling to serve, and she works with patients as partners in their physical, emotional, and spiritual health.
Education & Training
Undergraduate
Iowa State University, B.S. Biochemistry
Medical School
University of Iowa Carver College of Medicine
Residency
Family Medicine, Via Christi Family Medicine Residency Program, Wichita, KS (Graduate Medical Education of University of Kansas)
Additional Training
Locum tenens, Urgent Care, FQHC, and medical volunteering in Niger (2012-2014)
Certifications
Languages
English, Mandarin Chinese
Conditions Treated
Who is Dr. Liu right for?
Dr. Liu is a strong fit for patients of any age seeking a consistent, relationship-driven primary care doctor. Adults managing chronic conditions like diabetes, hypertension, high cholesterol, or anxiety benefit from her thorough, unhurried appointments. Parents looking for a family doctor who can care for both their children and themselves will find her broad scope practical. Patients who value transparent pricing on labs, imaging, and medications also fit well with her approach. Women seeking primary care that includes well-woman visits, menstrual care, and pre-conception counseling will find that Dr. Liu covers those needs directly.
Similar Doctors Nearby
Frequently Asked Questions
Dr. Liu treats a wide range of acute and chronic conditions. Her chronic disease focus includes diabetes, hypertension, high cholesterol, obesity, asthma, allergic rhinitis, insomnia, depression, and anxiety. She also handles infections, rashes, injuries, and common menstrual problems. Her scope covers patients from infancy through old age.
Yes. Dr. Liu holds the FAAFP designation, indicating she is a Fellow of the American Academy of Family Physicians. She completed her residency training at the Via Christi Family Medicine Residency Program in Wichita, Kansas.
Dr. Liu earned her medical degree from the University of Iowa Carver College of Medicine. She completed her family medicine residency at the Via Christi Family Medicine Residency Program in Wichita, Kansas, under the Graduate Medical Education of the University of Kansas.
Yes. Dr. Liu practices full-spectrum family medicine, caring for patients from newborns through the elderly. She handles well-baby visits, pediatric care, adult chronic disease management, women's health, and geriatric care.
Dr. Liu is fluent in English and Mandarin Chinese. She also has some conversational Spanish.
Yes. Dr. Liu performs laceration repair, joint aspiration and steroid injection, skin biopsy, cryotherapy for warts and pre-cancerous skin lesions, and skin tag removal. Procedures requiring less than $10 in supplies are included in the monthly membership fee.
Dr. Liu views medicine as a calling and treats every patient with care and respect. She works with patients as partners, focusing on their physical, emotional, and spiritual health. She schedules extended appointments of 30 to 60 minutes to allow unhurried, thorough visits.
Yes. Dr. Liu provides well-woman visits, Pap smears, pre-conception counseling, birth control counseling, and treatment of common menstrual problems. She does not provide obstetrical or prenatal care.
Dr. Liu attended a medical conference in July 2018 where she first learned about the Direct Primary Care model. She left inspired by data showing DPC patients became healthier and spent less on healthcare over time. She opened Olive Branch DPC in September 2019, capping her panel at 400 patients.
Doctor profile last updated April 9, 2026