About
Dr. Jason Sims grew up in Olathe, Kansas and earned his undergraduate degree at the University of Central Missouri in Warrensburg. He received his osteopathic medical degree from Kansas City University in 1998. He then completed his internship and residency in family medicine at Oklahoma State University, finishing in 2001.
After residency, Dr. Sims spent twelve years practicing in La Junta, Colorado before relocating to Conifer in 2014 with his wife Rhonda and their two children, Drew and Gage. He holds a deep interest in travel and tropical medicine. He formerly made frequent trips to Gonaives, Haiti, where he helped build and staff a local clinic. Outside of medicine, Dr. Sims spends time hunting and fishing, primarily in Alaska and Colorado. Patients consistently describe him as thorough, direct, and genuinely invested in their wellbeing. Many followed him from his previous practice to join him at KerixHealth.
Education & Training
Undergraduate
University of Central Missouri, Warrensburg
Medical School
Kansas City University (Osteopathic Medical Degree, 1998)
Residency
Family Medicine, Oklahoma State University (completed 2001)
Who is Dr. Sims right for?
Dr. Sims works well for adults and children seeking a primary care physician who takes time to listen. Patients managing chronic conditions such as diabetes, allergies, or sleep disorders benefit from his broad clinical scope. He also serves patients with mental health support needs and weight management goals. His interest in travel and tropical medicine makes him a strong fit for patients who travel internationally. Families looking for one doctor to handle the majority of their healthcare needs will find his practice well-suited to that goal.
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Family MedicineFrequently Asked Questions
Dr. Sims treats a wide range of conditions through his family medicine practice. His clinical scope includes chronic disease management, allergy care, dermatology, weight management, sleep assessment, and mental health support. He handles sick care and preventive visits as well. The practice manages up to 90% of members' healthcare needs.
Dr. Sims holds a Doctor of Osteopathic Medicine degree from Kansas City University. He completed his family medicine residency at Oklahoma State University in 2001. He has practiced family medicine for over two decades across Colorado.
Dr. Sims earned his osteopathic medical degree from Kansas City University in 1998. He then trained in family medicine at Oklahoma State University, completing his internship and residency in 2001. His undergraduate education took place at the University of Central Missouri in Warrensburg.
Dr. Sims has practiced family medicine since completing his residency in 2001. He spent twelve years in La Junta, Colorado before joining the KerixHealth Lone Tree practice. His career spans more than two decades of direct patient care.
Yes, Dr. Sims has a strong personal and clinical interest in travel and tropical medicine. He previously made frequent trips to Gonaives, Haiti, where he helped build and work in a local clinic. He is a knowledgeable resource for patients planning international travel.
Dr. Sims takes a direct and attentive approach. Patients describe him as quick and straightforward while still making them feel heard and understood. He focuses on the whole person rather than rushing through a checklist. His panel of loyal patients, many of whom followed him from a previous practice, reflects the trust he builds with the people he treats.
Yes. Dr. Sims offers same-day and next-day appointments for urgent needs. Members reach him in person or virtually. The KerixHealth membership also includes 24/7 access to the care team for questions between visits.
Doctor profile last updated October 31, 2026