The 20 Best Sinusitis Doctors Near Me in O Fallon, MO
Find the Top Sinusitis Experts and Specialists
The 20 Best Sinusitis Doctors near O Fallon, MO
MediFind found 98 doctor with experience in Sinusitis near O Fallon, MO. Of these, 90 are Experienced, 4 are Distinguished and 3 are Advanced.
Midwest ENT Centre
Ben Conoyer is an Otolaryngologist in St.peters, Missouri. Dr. Conoyer is rated as a Distinguished provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Low Nasal Bridge, Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Sinusitis, and Infant Hearing Loss.
Midwest ENT Centre
Robert Macdonald is an Otolaryngologist in St.peters, Missouri. Dr. Macdonald is rated as a Distinguished provider by MediFind in the treatment of Sinusitis. His top areas of expertise are DFNB1, Jones Syndrome, Infant Hearing Loss, and Sinusitis.
Midwest Ent Centre, PC
Dr. Conoyer is a seventh-generation resident of St. Charles County and a second-generation otolaryngologist—head & neck surgeon. He grew up in St. Charles, graduating from the Academy of the Sacred Heart in 1991 and from Duchesne High School in 1995. He then attended St. Louis University, where he majored in biology while minoring in philosophy and theology. In college, Dr. Conoyer was inducted into the prestigious Phi Beta Kappa and Alpha Sigma Nu Honor Societies. He graduated summa cum laude in 1999 and was selected for early admission to the Vanderbilt University School of Medicine in Nashville, Tennessee. He earned his Doctor of Medicine degree from Vanderbilt in 2003. After medical school, Dr. Conoyer continued his medical training at Vanderbilt University Medical Center, where he served his surgical internship from 2003-2004 and his residency in otolaryngology—head & neck surgery from 2004-2008. During residency, he authored multiple medical textbook contributions and original scientific articles. His original findings linking smoking to hearing loss garnered attention from national news outlets and many scientific citations. After serving a year as Chief Resident, he moved his family back home to St. Charles County to join Midwest ENT Centre in 2008. Since that time, Dr. Conoyer has developed a reputation as a regional early adopter of emerging medical technologies and minimally-invasive surgical procedures that offer better outcomes and quality-of-life to his patients. He was the first in the bi-state area to perform an in-office balloon sinus dilation procedure and remains among the nation’s most experienced with these procedures. He has similarly been a pioneer with many other office-based ENT technologies, including the Vivaer® procedure (treating nasal obstruction), Eustachian tube dilation, posterior nasal nerve treatments for vasomotor rhinitis, steroid-eluting sinus implantations and the fitting and placement of direct-drive hearing aids. Dr. Conoyer lives in St. Charles County with his wife, Ellen, and their four children. When not caring for his patients, he enjoys coaching youth basketball, wildlife land management and hunting. He is active in his Church, his local parish, and several outreach ministries. Dr. Conoyer is board-certified by the American Academy of Otolaryngology—Head & Neck Surgery and has been elected as a Fellow of the American College of Surgeons and the American Academy of Otolaryngic Allergy. Dr. Conoyer is rated as a Distinguished provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Nasal Septal Hematoma, Sinusitis, Infant Hearing Loss, and Chronic Rhinosinusitis with Nasal Polyps (CRSwNP).
Midwest Ent Centre, PC
A third-generation physician, Dr. Boone began her otolaryngology practice in St. Charles County in the 1990s. Her father, Dr. James Vighi, also an otolaryngologist, practiced in the county for 25 years. A board-certified otolaryngologist, Dr. Boone is a St. Louis native who attended Chesterfield’s Parkway Central High School before achieving a degree in biomedical engineering at Northwestern University. She received her medical degree from Case Western Reserve School of Medicine where she was a member of Alpha Omega Alpha Honor Society and recipient of the Janet M. Glasgow Memorial Achievement Award. After medical school, Dr. Boone completed her surgical internship and her otolaryngology residency at St. Louis University. During her residency, she received several achievement awards including Cardinal Glennon department of pediatric surgery intern award given to the surgical intern who exemplifies outstanding surgical skill and patient care. She was also awarded the Department of Otolaryngology Resident Research Award given the best resident research project judged by an guest professor. During her residency, she published several articles ranging from newborn hearing screening to intraoperative nerve monitoring. A fellow of the American Academy of Otolaryngology, Dr. Boone is also a member of the American Academy of Otolaryngologic Allergy, St. Charles-Lincoln County Medical Society, the Missouri State Medical Association, and the American Medical Association. Dr. Boone has been an integral part in the development of the electronic medical records implementation. She has served on the board of Allscripts for many years and is dedicated to providing the most state of art medical information transparency for her patients. Philanthropy has been an integral part of Dr. Boone’s life. She has served on several community charity boards in the past. She presently serves as a Board of Directors for Marcy’s Project and is also involved with the St. Louis Zoo Merlin Perkins Society and the St. Louis Winter Opera. Married to Dennis Boone and mother of five children and four grandchildren, Dr. Boone likes to say that she now enjoys the privilege of full-time motherhood with the challenge of a full-time medical practice. When her schedule permits, Dr. Boone enjoys working in her art studio as an artisanal soap maker and painter. Dr. Boone is rated as a Distinguished provider by MediFind in the treatment of Sinusitis. Her top areas of expertise are Nasal Septal Hematoma, Low Nasal Bridge, Perichondritis, and Infant Hearing Loss.
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. His top areas of expertise are Familial Hypertension, Coronary Heart Disease, Sacroiliac Joint Disease, and Hypothyroidism.
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. His top areas of expertise are Hypertension, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Hypothyroidism.
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. His top areas of expertise are High Cholesterol, Chronic Obstructive Pulmonary Disease (COPD), Type 2 Diabetes (T2D), Endoscopy, and Gastrostomy.
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. His top areas of expertise are Type 1 Diabetes (T1D), Childhood Iron Deficiency Anemia, End-Stage Renal Disease (ESRD), and Type 2 Diabetes (T2D).
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. His top areas of expertise are Migraine, Peripheral Artery Disease, Coronary Heart Disease, and Breast Cancer.
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 top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Hypertension, and Nephrosclerosis.
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 top areas of expertise are Familial Hypertension, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Hypothyroidism.
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. Her top areas of expertise are Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Allergic Rhinitis, and Sinusitis.
SSM Medical Group Inc.
Kim Waterhouse is a Pediatrics provider in O Fallon, Missouri. Dr. Waterhouse is rated as an Experienced provider by MediFind in the treatment of Sinusitis. Her top areas of expertise are Hives, Ozena, Nonallergic Rhinopathy, and Angioedema.
Jason Hanson is an Otolaryngologist and a General Surgeon in O Fallon, Missouri. Dr. Hanson is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Jones Syndrome, DFNB1, Infant Hearing Loss, and Otitis.
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. Her top areas of expertise are 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. Her top areas of expertise are Peptic Ulcer, Necrosis, Iron Deficiency Anemia, and Type 2 Diabetes (T2D).
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. Her top areas of expertise are Phantom Limb Pain, Generalized Anxiety Disorder (GAD), High Cholesterol, and Hypertension.
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. His top areas of expertise are Sitosterolemia, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Familial 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. His top areas of expertise are Transient Familial Hyperbilirubinemia, Congenital Hypothyroidism, Thyroid Dysgenesis, Colonoscopy, and Endoscopy.
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 top areas of expertise are High Cholesterol, Cirrhosis, Familial Combined Hyperlipidemia, and Xanthoma.
Last Updated: 02/22/2026










