Located at 609 E. First in St. John, Kansas, St. John Clinic is open from 8:30 a.m. to 5 p.m., Monday through Friday. Appointments are encouraged, but walk-ins with urgent care needs will be accommodated. Dr. Fredrick J. Farmer, III, D.O., A.M.E., specializing in family practice, aviation medicine, and wilderness medicine, sees patients Monday through Friday afternoons. St. John Clinic is also staffed with a physician assistant. Call (620) 549-3251 for an appointment.

St. John Clinic services include: family practice, routine exams, school/sports physicals, pap smears, urgent care for illness and injury, referrals to specialty physicians, influenza and pneumonia vaccinations, administration of injectable allergy medications. As one of the area`s few aviation medicine specialists, Dr. Farmer also provides pilots with annual physicals required to retain their licenses.