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 40 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 , Drug Enforcement Administration , Missouri Dept Of Health/Narcotics&Dangerous Drugs , and Missouri State Board Of Registration.
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 , Drug Enforcement Administration , Missouri Dept Of Health/Narcotics&Dangerous Drugs , and Missouri State Board Of Registration.
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 23 other conditions, according to our data. His clinical expertise encompasses Low Nasal Bridge, Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Sinusitis, and Infant Hearing Loss. Dr. Conoyer is board certified in American Board Of Otolaryngology , Drug Enforcement Administration , Missouri Dept Of Health/Narcotics&Dangerous Drugs , and Missouri State Board Of Registration.
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 , Drug Enforcement Administration , Missouri Dept Of Health/Narcotics&Dangerous Drugs , and Missouri State Board Of Registration.
SSM Health Medical Group
Dr. Hemmersmeier is board certified in family medicine. He completed his residency at Deaconess Hospital - St. Louis after earning his medical degree at Kirksville College of Osteopathic Medicine. Dr. Hemmersmeier has been in practice in O'Fallon, MO since 1998. He has a special interest in sports medicine and has volunteered as a coach in the community and at his church in conjunction with his children's athletic interests. Dr. Hemmersmeier has been awarded recognition from the National Committee for Quality Assurance (NCQA) Diabetes and Stroke Physician Recognition Programs for meeting national standards for diabetes and stroke care. Dr. Hemmersmeier is part of a Patient-Centered Medical Home. Dr. Hemmersmeier uses telehealth services to conduct video office visits with current, established patients for: upper respiratory infection, sore throat, cough, seasonal allergies, skin rashes or lesions, mouth and cold sores, flu symptoms, conjunctivitis, UTI, gout, yeast infection and travel medication. A forward-facing camera and internet access are required, and a tablet or computer/laptop may be used. Telehealth appointments can be scheduled online through MyChart. 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, and Hypothyroidism. Dr. Hemmersmeier is board certified in American Board Of Family Medicine , Drug Enforcement Administration , Missouri Dept Of Health/Narcotics&Dangerous Drugs , and Missouri State Board Of Registration.
SSM Health Medical Group
Dr. Hoffmann is board certified in family medicine. He completed his internship and residency at Deaconess Health System in St. Louis. His medical degree was earned at Loyola University of Chicago. Dr. Hoffmann has been in practice since 1999; he has been with SSM Health in O'Fallon, MO since 2002. Dr. Hoffmann's special medical interests include sports medicine, preventive medicine, hypertension, and diabetes. Dr. Hoffmann has been awarded recognition from the National Committee for Quality Assurance (NCQA) Diabetes Physician Recognition Program for meeting national standards for diabetes care. Dr. Hoffman uses telehealth services to conduct video office visits with current, established patients for: upper respiratory infection, sore throat, cough, seasonal allergies, skin rashes or lesions, mouth and cold sores, flu symptoms, conjunctivitis, UTI, gout, yeast infection and travel medication. A forward-facing camera and internet access are required, and a tablet or computer/laptop may be used. Telehealth appointments can be scheduled online through MyChart. 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 Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Hypothyroidism. Dr. Hoffmann is board certified in American Board Of Family Medicine , Drug Enforcement Administration , Missouri Dept Of Health/Narcotics&Dangerous Drugs , and Missouri State Board Of Registration.
SSM Health Medical Group
Paul Hinton, MD, is an internist and pediatrician who provides comprehensive primary care services on an outpatient basis for patients of all ages, from newborns to adults. He specializes in preventive care; diagnosing, treating, and managing common conditions; and identifying and addressing mental health issues. Dr. Hinton provides quality medical care for his patients, while empowering them to take better care of themselves. Utilizing current medical therapies and positive behavior, he encourages his patients to have the best mind, body, and spirit possible. His patients appreciate how compassionate, thorough, reliable, and friendly he is during their office visits, taking the time to listen to their concerns and answer questions accordingly. Dr. Hinton is a member of the American Academy of Pediatrics and the American Board of Internal Medicine. Fun fact: Dr. Hinton never considered a career in medicine until he took his first biology class in college. 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 American Board Of Internal Medicine , American Board Of Pediatrics , Drug Enforcement Administration , Missouri Dept Of Health/Narcotics&Dangerous Drugs , and Missouri State Board Of Registration.
SSM Health Medical Group
Dr. VanGundy is board certified in family medicine. He completed his internship at Genesis Education Foundation-University of Iowa and then completed his residency at the Quad Cities Practice Program. Dr. VanGundy earned his medical degree from the University of Iowa Carver College of Medicine in Iowa City. He has been practicing in St. Charles County since 2001 and has been with SSM since 2003. Dr. VanGundy has a special medical interest in sports medicine and pediatrics. Dr. VanGundy uses telehealth services to conduct video office visits with current, established patients for: upper respiratory infection, sore throat, cough, seasonal allergies, skin rashes or lesions, mouth and cold sores, flu symptoms, conjunctivitis, UTI, gout, yeast infection and travel medication. A forward-facing camera and internet access are required, and a tablet or computer/laptop may be used. Telehealth appointments can be scheduled online through MyChart. 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 American Board Of Family Medicine , Drug Enforcement Administration , Missouri Dept Of Health/Narcotics&Dangerous Drugs , and Missouri State Board Of Registration.
SSM Health Medical Group
Dr. Smith is board certified in family medicine. He completed his internship and residency at Genesis Education Foundation-University of Iowa after earning his medical degree at Southern Illinois University in Springfield. Dr. Smith has been practicing in St. Charles County since 2001 and has been with SSM since 2003. He has a special medical interest in geriatrics and adult preventative health. Dr. Smith uses telehealth services to conduct video office visits with current, established patients for: upper respiratory infection, sore throat, cough, seasonal allergies, skin rashes or lesions, mouth and cold sores, flu symptoms, conjunctivitis, UTI, gout, yeast infection and travel medication. A forward-facing camera and internet access are required, and a tablet or computer/laptop may be used. Telehealth appointments can be scheduled online through MyChart. 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 American Board Of Family Medicine , Drug Enforcement Administration , Missouri Dept Of Health/Narcotics&Dangerous Drugs , and Missouri State Board Of Registration.
SSM Health Medical Group
"Maryam Naemi, DO, is board certified in family medicine. She received her medical degree from Kirksville College of Osteopathic Medicine and completed her residency at Deaconess Hospital in St. Louis. After completing her residency in 1999, Dr. Naemi began practicing family medicine with SSM Health in St. Charles County. She has over 20 years of experience in treating patients of all ages with acute and chronic illnesses. Dr. Naemi believes in using evidence-based medicine, along with her experience, in helping patients take an active role in optimizing their health and preventing disease by lifestyle changes. She strives to give patients the individualized attention and care they deserve. ""I believe each patient has a unique story and path, and by listening and forming a strong partnership, we can move toward achieving goals in their health and overcoming their specific obstacles. I find there is nothing more rewarding than influencing someone in improving their quality of life.""". Dr. Naemi is rated as an Experienced provider by MediFind in the treatment of Sinusitis. Her clinical expertise encompasses Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Nephrosclerosis. Dr. Naemi is board certified in American Board Of Family Medicine , Drug Enforcement Administration , Missouri Dept Of Health/Narcotics&Dangerous Drugs , and Missouri State Board Of Registration.
SSM Health Medical Group
Dr. Wiewel is board certified in family medicine. She completed her internship and residency at the University of North Carolina-Chapel Hill after earning her medical degree at Loyola University in Chicago. Dr. Wiewel has been awarded recognition from the National Committee for Quality Assurance (NCQA) Diabetes Physician Recognition Program for meeting national standards for diabetes care. She began practicing with SSM Health Medical Group in O'Fallon in 2006. Dr. Wiewel values the relationships established as a family medicine physician. She has a special medical interest in preventive health care. Dr. Wiewel uses telehealth services to conduct video office visits with current, established patients for: upper respiratory infection, sore throat, cough, seasonal allergies, skin rashes or lesions, mouth and cold sores, flu symptoms, conjunctivitis, UTI, gout, yeast infection and travel medication. A forward-facing camera and internet access are required, and a tablet or computer/laptop may be used. Telehealth appointments can be scheduled online through MyChart. Dr. Wiewel is rated as an Experienced provider by MediFind in the treatment of Sinusitis. Her clinical expertise encompasses Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Hypothyroidism. Dr. Wiewel is board certified in American Board Of Family Medicine , American Board Of Obesity Medicine , Drug Enforcement Administration , Missouri Dept Of Health/Narcotics&Dangerous Drugs , and Missouri State Board Of Registration.
SSM Health Cardinal Glennon Pediatrics Specialty Services
Cynthia Emily is a certified physician assistant who specializes in general otolaryngology (ENT) for patients of all ages. She treats a number of conditions, including allergies, sinusitis, chronic nasal congestion, sinonasal polyposis, chronic ear infections, otitis externa, chronic adenoiditis, chronic tonsillitis, hearing loss, balance disorders, voice disorders, and swallowing disorders. She performs in-office procedures, including endoscopy and earwax removal. Emily provides diagnostic, therapeutic, preventive, and health maintenance services for patients, closely collaborating with SLUCare physicians in the Department of Otolaryngology - Head and Neck Surgery. She also acts as a patient advocate, communicating with key members of the care team across service lines to ensure each of her patient's needs are met. Emily is a member of the Missouri Academy of Physician Assistants and the Society of Physician Assistants in Otorhinolaryngology/Head and Neck Surgery. Ms. Emily 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 Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Sinusitis, and Allergic Rhinitis. Ms. Emily is board certified in Drug Enforcement Administration , Illinois Department Of Financial & Professional Regulation , Missouri Dept Of Health/Narcotics&Dangerous Drugs , Missouri State Board Of Registration , and National Comm On Certif Of Physician Assistants.
SSM Medical Group Inc.
Kim Waterhouse is a Pediatrics provider practicing medicine in O Fallon, Missouri. Dr. Waterhouse is rated as an Experienced provider by MediFind in the treatment of Sinusitis. Her clinical expertise encompasses Hives, Ozena, Nonallergic Rhinopathy, and Angioedema.
Jason Hanson is an Otolaryngologist and a General Surgeon 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 , Drug Enforcement Administration , Missouri Dept Of Health/Narcotics&Dangerous Drugs , and Missouri State Board Of Registration.
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.
BJC Medical Group At O'Fallon
Ximena Schnurr is a primary care provider, practicing in Family Medicine in O Fallon, Missouri. Dr. Schnurr is rated as an Experienced provider by MediFind in the treatment of Sinusitis. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Peptic Ulcer, Necrosis, Iron Deficiency Anemia, and Type 2 Diabetes (T2D).
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Alyssa Keller is a primary care provider, practicing in Family Medicine in O Fallon, Missouri. She has been practicing medicine for over 17 years. 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 Familial Hypertension.
Office
James Ketchum is a primary care provider, practicing in Internal Medicine in O Fallon, Missouri. He has been practicing medicine for over 44 years. 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, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Hypertension.
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.
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.
Last Updated: 04/28/2026










