Dr. Sean Bailey

Robert Mac Donald is an Otolaryngologist and an Allergy and Immunologist in St.peters, Missouri. Dr. Mac Donald is rated as a Distinguished provider by MediFind in the treatment of Branchial Cleft Cyst. His top areas of expertise are DFNB1, Jones Syndrome, Infant Hearing Loss, and Sinusitis. Dr. Mac Donald is currently accepting new patients.

Dr. Benjamin Conoyer was born and raised in St. Charles, Missouri. His family roots are traceable back to the French founding fathers of the community. He graduated from the Academy of the Sacred Heart in 1993, from Duchesne High School in 1997, and received a B.S. in Chemistry from St. Louis University in 2001. He continued on to receive a Masters in Anatomy degree from St. Louis University. with emphasis in research. He published his thesis on the histology of the cerebellum in reptiles.Observing the formation of Midwest ENT in the years 2000-2002, Dr. Conoyer set the professional goal of practicing Otolaryngology with his father, brother, and all the exceptional doctors of Midwest ENT. In 2003, he enrolled in the St. Louis University School of Medicine and earned his Doctor of Medicine degree in 2007. During his medical school years, he continued to instruct other medical professionals in human anatomy and Advanced Trauma Life Support.Dr. Conoyer completed a General Surgery Internship at Vanderbilt University in Nashville, Tennessee, in 2008, and returned to St. Louis University to train in Otolaryngology. While in his residency, he served on several governing boards involved with improving the quality of resident education. His research interests included treatment protocols for Idiopathic Sudden Sensory Neural Hearing Loss and the characteristics of malignant tumors on Positron Emission Tomography (PET scanning). Having completed his ENT training in 2013, he is pleased to be joining Midwest ENT. Like the partners, he is committed to providing quality ear, nose and throat care to residents of our region.While rotating through Cardinal Glennon Hospital, Dr. Conoyer met his wife, Rachel (nee Ervin), R.N., B.S.N. She is the Nursing Director of the Ambulatory Care Center and its outreach sites for Cardinal Glennon Children’s Medical Center. They have been married since 2011. They recently moved to St. Charles and are looking forward to starting a family. In his free time, Dr. Ben enjoys Cardinal baseball, hunting, camping and biking. Dr. Conoyer is rated as a Distinguished provider by MediFind in the treatment of Branchial Cleft Cyst. His top areas of expertise are Low Nasal Bridge, Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Sinusitis, and Infant Hearing Loss.

Ryan Jackson is an Otolaryngologist in Saint Louis, Missouri. Dr. Jackson is rated as a Distinguished provider by MediFind in the treatment of Branchial Cleft Cyst. His top areas of expertise are Tongue Cancer, Mikulicz Disease, Laryngeal Cancer, Laryngectomy, and Gastrostomy. Dr. Jackson is currently accepting new patients.