MHHC Welcomes Dr. Hester To Our Medical Staff. Dr. Hester is accepting new patients- newborn to adults at Missouri Highlands Medical Clinic at 225 Physicians Park Drive (Coppertop) in Poplar Bluff. Call 785-6536 to schedule an appointment! Join Missouri Highlands Health Care in welcoming Dr. Richard Hester, MD to their Poplar Bluff clinic!.