The 20 Best Sinusitis Doctors Near Me in O Fallon, MO
Find the Top Sinusitis Experts and Specialists
Midwest ENT Centre
John Conoyer is an Otolaryngologist practicing medicine in St. Peters, Missouri. Dr. Conoyer is rated as a Distinguished provider by MediFind in the treatment of Sinusitis. He is also highly rated in 39 other conditions, according to our data. His clinical expertise encompasses Nasal Septal Hematoma, Sinusitis, Infant Hearing Loss, and Chronic Rhinosinusitis with Nasal Polyps (CRSwNP). Dr. Conoyer is board certified in American Board Of Otolaryngology , Missouri Dept Of Health/Narcotics&Dangerous Drugs , Missouri State Board Of Registration, and Drug Enforcement Administration . Dr. Conoyer is currently accepting new patients.
Midwest ENT Centre
Karen Boone is an Otolaryngologist practicing medicine in St. Peters, Missouri. Dr. Boone is rated as a Distinguished provider by MediFind in the treatment of Sinusitis. She is also highly rated in 31 other conditions, according to our data. Her clinical expertise encompasses Low Nasal Bridge, Nasal Septal Hematoma, Perichondritis, and Infant Hearing Loss. Dr. Boone is board certified in American Board Of Otolaryngology , Missouri Dept Of Health/Narcotics&Dangerous Drugs , Missouri State Board Of Registration, and Drug Enforcement Administration . Dr. Boone is currently accepting new patients.
SSM Health Medical Group
Michael Hemmersmeier is a primary care provider, practicing in Family Medicine in O Fallon, Missouri. Dr. Hemmersmeier is rated as an Experienced provider by MediFind in the treatment of Sinusitis. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Familial Hypertension, Coronary Heart Disease, Sacroiliac Joint Disease, Hypothyroidism, and Endoscopy. Dr. Hemmersmeier is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , American Board Of Family Medicine , Missouri State Board Of Registration, and Drug Enforcement Administration . Dr. Hemmersmeier is currently accepting new patients.
Midwest ENT Centre
Robert Macdonald is an Otolaryngologist practicing medicine in St. Peters, Missouri. Dr. Macdonald is rated as a Distinguished provider by MediFind in the treatment of Sinusitis. He is also highly rated in 27 other conditions, according to our data. His clinical expertise encompasses DFNB1, Jones Syndrome, Infant Hearing Loss, and Sinusitis. Dr. Macdonald is board certified in American Board Of Otolaryngology , Missouri Dept Of Health/Narcotics&Dangerous Drugs , Missouri State Board Of Registration, and Drug Enforcement Administration . Dr. Macdonald is currently accepting new patients.
Midwest ENT Centre
Ben Conoyer is an Otolaryngologist practicing medicine in St. Peters, Missouri. Dr. Conoyer is rated as a Distinguished provider by MediFind in the treatment of Sinusitis. He is also highly rated in 32 other conditions, according to our data. His clinical expertise encompasses Nasal Septal Hematoma, Low Nasal Bridge, Perichondritis, and Chronic Rhinosinusitis with Nasal Polyps (CRSwNP). Dr. Conoyer is board certified in American Board Of Otolaryngology , Missouri Dept Of Health/Narcotics&Dangerous Drugs , Missouri State Board Of Registration, and Drug Enforcement Administration . Dr. Conoyer is currently accepting new patients.
Matthew Meier is a primary care provider, practicing in Internal Medicine in O Fallon, Missouri. Dr. Meier is rated as an Experienced provider by MediFind in the treatment of Sinusitis. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Transient Familial Hyperbilirubinemia, Congenital Hypothyroidism, Thyroid Dysgenesis, Colonoscopy, and Endoscopy. Dr. Meier is board certified in Drug Enforcement Administration , Missouri Dept Of Health/Narcotics&Dangerous Drugs , and Missouri State Board Of Registration. Dr. Meier is currently accepting new patients.
SSM Health Cardinal Glennon Pediatrics Specialty Services
Cynthia Emily is a Physician Assistant practicing medicine in O Fallon, Missouri. Emily, PA is rated as an Advanced provider by MediFind in the treatment of Sinusitis. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Sinusitis, and Allergic Rhinitis. Emily, PA is board certified in Missouri State Board Of Registration , Drug Enforcement Administration , Missouri Dept Of Health/Narcotics&Dangerous Drugs , Illinois Department Of Financial & Professional Regulation , and National Comm On Certif Of Physician Assistants. Emily, PA is currently accepting new patients.
Midwest ENT Centre
Matthew Page is an Otolaryngologist practicing medicine in St. Peters, Missouri. Dr. Page is rated as an Advanced provider by MediFind in the treatment of Sinusitis. He is also highly rated in 29 other conditions, according to our data. His clinical expertise encompasses Nasal Septal Hematoma, Infant Hearing Loss, Nonsyndromic Hearing Loss, and Benign Paroxysmal Positional Vertigo. Dr. Page is board certified in American Board Of Otolaryngology , Missouri Dept Of Health/Narcotics&Dangerous Drugs , Missouri State Board Of Registration, and Drug Enforcement Administration . Dr. Page is currently accepting new patients.
SSM Health Medical Group
Leonard Hoffmann is a primary care provider, practicing in Family Medicine in O Fallon, Missouri. Dr. Hoffmann is rated as an Experienced provider by MediFind in the treatment of Sinusitis. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and Hypothyroidism. Dr. Hoffmann is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , American Board Of Family Medicine , Missouri State Board Of Registration, and Drug Enforcement Administration . Dr. Hoffmann is currently accepting new patients.
SSM Health Medical Group
Paul Hinton is a primary care provider, practicing in Pediatrics and Internal Medicine in Lake St. Louis, Missouri. Dr. Hinton is rated as an Experienced provider by MediFind in the treatment of Sinusitis. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Chronic Obstructive Pulmonary Disease (COPD), Type 2 Diabetes (T2D), Endoscopy, and Gastrostomy. Dr. Hinton is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , American Board Of Pediatrics , Missouri State Board Of Registration, American Board Of Internal Medicine , and Drug Enforcement Administration . Dr. Hinton is currently accepting new patients.
SSM Health Medical Group
Jason Vangundy is a primary care provider, practicing in Family Medicine in Lake St. Louis, Missouri. Dr. Vangundy is rated as an Experienced provider by MediFind in the treatment of Sinusitis. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Type 1 Diabetes (T1D), Childhood Iron Deficiency Anemia, End-Stage Renal Disease (ESRD), and Type 2 Diabetes (T2D). Dr. Vangundy is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , American Board Of Family Medicine , Missouri State Board Of Registration, and Drug Enforcement Administration . Dr. Vangundy is currently accepting new patients.
SSM Health Medical Group
Brian Smith is a primary care provider, practicing in Family Medicine in Lake St. Louis, Missouri. Dr. Smith is rated as an Experienced provider by MediFind in the treatment of Sinusitis. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Migraine, Peripheral Artery Disease, Coronary Heart Disease, and Breast Cancer. Dr. Smith is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , American Board Of Family Medicine , Missouri State Board Of Registration, and Drug Enforcement Administration .
SSM Health Medical Group
Maryam Naemi is a primary care provider, practicing in Family Medicine in O Fallon, Missouri. Dr. Naemi is rated as an Experienced provider by MediFind in the treatment of Sinusitis. Her clinical expertise encompasses Familial Hypertension, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Nephrosclerosis. Dr. Naemi is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , American Board Of Family Medicine , Missouri State Board Of Registration, and Drug Enforcement Administration . Dr. Naemi is currently accepting new patients.
SSM Health Medical Group
Chandra Wiewel is a primary care provider, practicing in Family Medicine in O Fallon, Missouri. Dr. Wiewel is rated as an Experienced provider by MediFind in the treatment of Sinusitis. Her clinical expertise encompasses Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and Hypothyroidism. Dr. Wiewel is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , American Board Of Family Medicine , Missouri State Board Of Registration, American Board Of Obesity Medicine , and Drug Enforcement Administration . Dr. Wiewel is currently accepting new patients.
Jason Hanson is a General Surgeon and an Otolaryngologist practicing medicine in O Fallon, Missouri. Dr. Hanson is rated as an Experienced provider by MediFind in the treatment of Sinusitis. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Jones Syndrome, DFNB1, Infant Hearing Loss, and Otitis. Dr. Hanson is board certified in American Board Of Otolaryngology , Missouri Dept Of Health/Narcotics&Dangerous Drugs , Missouri State Board Of Registration, and Drug Enforcement Administration . Dr. Hanson is currently accepting new patients.
BJC Medical Group At O'Fallon
Timothy Moore is a primary care provider, practicing in Family Medicine in O Fallon, Missouri. Dr. Moore is rated as an Experienced provider by MediFind in the treatment of Sinusitis. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Peptic Ulcer, Necrosis, Chronic Cough, and Cellulitis.
BJC Medical Group At O'Fallon
Judith Dibble is a primary care provider, practicing in Internal Medicine in O Fallon, Missouri. Dr. Dibble is rated as an Experienced provider by MediFind in the treatment of Sinusitis. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Childhood Iron Deficiency Anemia, Iron Deficiency Anemia, Breast Cancer, and Nephrosclerosis.
Office
Alyssa Keller is a primary care provider, practicing in Family Medicine in O Fallon, Missouri. Dr. Keller is rated as an Experienced provider by MediFind in the treatment of Sinusitis. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Phantom Limb Pain, Generalized Anxiety Disorder (GAD), High Cholesterol, and Hypertension. Dr. Keller is currently accepting new patients.
Office
James Ketchum is a primary care provider, practicing in Internal Medicine in O Fallon, Missouri. Dr. Ketchum is rated as an Experienced provider by MediFind in the treatment of Sinusitis. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Sitosterolemia, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension. Dr. Ketchum is currently accepting new patients.
Outreach Specialty Physicians LLC
Kent Cassmeyer is a primary care provider, practicing in Internal Medicine in O Fallon, Missouri. Dr. Cassmeyer is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His clinical expertise encompasses High Cholesterol, Cirrhosis, Familial Combined Hyperlipidemia, and Xanthoma. Dr. Cassmeyer is currently accepting new patients.
Last Updated: 09/26/2026










