The 20 Best Sinusitis Doctors Near Me in Onalaska, WI

Find the Top Sinusitis Experts and Specialists

The 20 Best Sinusitis Doctors near Onalaska, WI

Last Updated: 02/22/2026

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MediFind found 30 doctor with experience in Sinusitis near Onalaska, WI. Of these, 27 are Experienced, 2 are Advanced and 1 are Distinguished.

Location
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30 providers found
    Distinguished in Sinusitis
    Allergy and Immunology
    Distinguished in Sinusitis
    Allergy and Immunology

    Allergy Associates Holdings LTD.

    2727 Midwest Dr, 
    Onalaska, WI 
     (2.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Demetrios Theodoropoulos is an Allergy and Immunologist in Onalaska, Wisconsin. Dr. Theodoropoulos is rated as a Distinguished provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Allergic Rhinitis, Sinusitis, Grass Allergy, and Hives.

    Advanced in Sinusitis
    Allergy and Immunology
    Advanced in Sinusitis
    Allergy and Immunology

    Allergy Associates Holdings LTD.

    2727 Midwest Dr, 
    Onalaska, WI 
     (2.2 miles away)
    Languages Spoken:
    English

    Giana Nicoara is an Allergy and Immunologist in Onalaska, Wisconsin. Dr. Nicoara is rated as an Advanced provider by MediFind in the treatment of Sinusitis. Her top areas of expertise are Allergic Rhinitis, Sinusitis, Grass Allergy, and Vibratory Urticaria.

    Experienced in Sinusitis
    Family Medicine
    Experienced in Sinusitis
    Family Medicine

    Mayo Clinic Health System-Southwest Wisconsin Region, Inc.

    191 Theater Rd, 
    Onalaska, WI 
     (1.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Kevin Fitzgerald is a primary care provider, practicing in Family Medicine in Onalaska, Wisconsin. Dr. Fitzgerald is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Heart Failure with Preserved Ejection Fraction (HFpEF), Type 2 Diabetes (T2D), Diabetic Nephropathy, and Diabetic Neuropathy. Dr. Fitzgerald is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Sinusitis
    Allergy and Immunology
    Experienced in Sinusitis
    Allergy and Immunology

    Office

    2727 Midwest Dr, 
    Onalaska, WI 
     (2.2 miles away)
    Languages Spoken:
    English

    Mary Morris is an Allergy and Immunologist in Onalaska, Wisconsin. Dr. Morris is rated as an Experienced provider by MediFind in the treatment of Sinusitis. Her top areas of expertise are Allergic Rhinitis, Sinusitis, and Grass Allergy.

    Experienced in Sinusitis
    Allergy and Immunology
    Experienced in Sinusitis
    Allergy and Immunology

    Allergy Associates Holdings LTD.

    2727 Midwest Dr, 
    Onalaska, WI 
     (2.2 miles away)
    Languages Spoken:
    English

    George Kroker is an Allergy and Immunologist in Onalaska, Wisconsin. Dr. Kroker is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Allergic Rhinitis, Sinusitis, and Grass Allergy.

    Experienced in Sinusitis
    Allergy and Immunology
    Experienced in Sinusitis
    Allergy and Immunology

    Office

    2727 Midwest Dr, 
    Onalaska, WI 
     (2.2 miles away)
    Languages Spoken:
    English

    Vijay Sabnis is an Allergy and Immunologist in Onalaska, Wisconsin. Dr. Sabnis is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Allergic Rhinitis, Sinusitis, and Grass Allergy.

    Experienced in Sinusitis
    Internal Medicine
    Experienced in Sinusitis
    Internal Medicine

    Gundersen Pharmacy

    3111 Gundersen Dr, 
    Onalaska, WI 
     (2.7 miles away)
    Languages Spoken:
    English

    Jared Darveaux is an Internal Medicine provider in Onalaska, Wisconsin. Dr. Darveaux is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Hives, Allergic Rhinitis, Sinusitis, and Angioedema.

    Experienced in Sinusitis
    Family Medicine
    Experienced in Sinusitis
    Family Medicine

    Gundersen Pharmacy

    3111 Gundersen Dr, 
    Onalaska, WI 
     (2.7 miles away)
    Languages Spoken:
    English

    John Merchlewitz is a primary care provider, practicing in Family Medicine in Onalaska, Wisconsin. Dr. Merchlewitz is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Chronic Cough, Bronchitis, Chronic Eosinophilic Pneumonia, and Simple Pulmonary Eosinophilia.

    Experienced in Sinusitis
    Family Medicine
    Experienced in Sinusitis
    Family Medicine

    Gundersen Pharmacy

    3111 Gundersen Dr, 
    Onalaska, WI 
     (2.7 miles away)
    Languages Spoken:
    English

    Daniel Maccharles is a primary care provider, practicing in Family Medicine in Onalaska, Wisconsin. Dr. Maccharles is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Juvenile Temporal Arteritis, Giant Cell Arteritis (GCA), Temporal Arteritis, and Eosinophilic Pneumonia.

    Experienced in Sinusitis
    Internal Medicine
    Experienced in Sinusitis
    Internal Medicine

    Gundersen Pharmacy

    3111 Gundersen Dr, 
    Onalaska, WI 
     (2.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Sarah Naik is a primary care provider, practicing in Internal Medicine in Onalaska, Wisconsin. Dr. Naik is rated as an Experienced provider by MediFind in the treatment of Sinusitis. Her top areas of expertise are Hyperthyroidism, Thyroid Storm, Peripheral Neuropathy, and Klinefelter Syndrome.

    Experienced in Sinusitis
    Family Medicine
    Experienced in Sinusitis
    Family Medicine

    Gundersen Pharmacy

    3111 Gundersen Dr, 
    Onalaska, WI 
     (2.7 miles away)
    Languages Spoken:
    English

    Joel Erickson is a primary care provider, practicing in Family Medicine in Onalaska, Wisconsin. Dr. Erickson is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Juvenile Temporal Arteritis, Giant Cell Arteritis (GCA), Temporal Arteritis, and Necrotizing Vasculitis.

    Experienced in Sinusitis
    Family Medicine
    Experienced in Sinusitis
    Family Medicine

    Gundersen Pharmacy

    3111 Gundersen Dr, 
    Onalaska, WI 
     (2.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Chad Thurman is a primary care provider, practicing in Family Medicine in Onalaska, Wisconsin. Dr. Thurman is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Lung Nodules, Congenital Sucrase-Isomaltase Deficiency, Glucose-Galactose Malabsorption Deficiency, and Glucose Phosphate Isomerase Deficiency.

    Experienced in Sinusitis
    Family Medicine
    Experienced in Sinusitis
    Family Medicine

    Mayo Clinic Health System In Holmen

    1303 S Main St, 
    Holmen, WI 
     (5.0 miles away)
    Languages Spoken:
    English

    Dennis Ohlrogge is a primary care provider, practicing in Family Medicine in Holmen, Wisconsin. Dr. Ohlrogge is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Childhood Iron Deficiency Anemia, Breast Cancer, Diabetic Nephropathy, and Diabetic Neuropathy.

    Experienced in Sinusitis
    Family Medicine
    Experienced in Sinusitis
    Family Medicine

    Mayo Clinic Health System In Holmen

    1303 S Main St, 
    Holmen, WI 
     (5.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jennifer Nordstrom is a primary care provider, practicing in Family Medicine in Holmen, Wisconsin. Dr. Nordstrom is rated as an Experienced provider by MediFind in the treatment of Sinusitis. Her top areas of expertise are Muscle Invasive Bladder Cancer, Type 2 Diabetes (T2D), Hypothyroidism, and Diabetic Nephropathy.

    Experienced in Sinusitis
    Family Medicine
    Experienced in Sinusitis
    Family Medicine

    Mayo Clinic Health System In Holmen

    1303 S Main St, 
    Holmen, WI 
     (5.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Poonam Sachdev is a primary care provider, practicing in Family Medicine in Holmen, Wisconsin. Dr. Sachdev is rated as an Experienced provider by MediFind in the treatment of Sinusitis. Her top areas of expertise are Shingles, Type 2 Diabetes (T2D), Glucocorticoid-Remediable Aldosteronism, and Hypertension.

    Experienced in Sinusitis
    Family Medicine
    Experienced in Sinusitis
    Family Medicine

    Mayo Clinic Health System In Holmen

    1303 S Main St, 
    Holmen, WI 
     (5.0 miles away)
    Languages Spoken:
    English

    Richard Rogge is a primary care provider, practicing in Family Medicine in Holmen, Wisconsin. Dr. Rogge is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Diabetic Neuropathy, Gout, Tenosynovitis, and Heart Failure with Preserved Ejection Fraction (HFpEF).

    Advanced in Sinusitis
    General Surgery
    Advanced in Sinusitis
    General Surgery

    Mayo Clinic Health System-Southwest Wisconsin Region Inc.

    800 West Ave S, 
    La Crosse, WI 
     (5.6 miles away)
    Languages Spoken:
    English

    David Valencia is a General Surgeon in La Crosse, Wisconsin. Dr. Valencia is rated as an Advanced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Ruptured Eardrum, Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Infant Hearing Loss, and Nonsyndromic Hearing Loss.

    Experienced in Sinusitis
    Family Medicine
    Experienced in Sinusitis
    Family Medicine

    Mayo Clinic Health System-Southwest Wisconsin Region, Inc.

    700 W Ave S, 
    La Crosse, WI 
     (5.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Edward Malone is a primary care provider, practicing in Family Medicine in La Crosse, Wisconsin. Dr. Malone is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are COVID-19, Multisystem Inflammatory Syndrome in Children (MIS-C), Heart Attack, Ureteroscopy, and Endoscopy. Dr. Malone is currently accepting new patients.

    Experienced in Sinusitis
    Family Medicine
    Experienced in Sinusitis
    Family Medicine

    Mayo Clinic Health System-Southwest Wisconsin Region Inc.

    800 West Ave S, 
    La Crosse, WI 
     (5.6 miles away)
    Languages Spoken:
    English

    Steven Perkins is a primary care provider, practicing in Family Medicine in La Crosse, Wisconsin. Dr. Perkins is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Diabetic Nephropathy, Low Sodium Level, Nephrosclerosis, and Renovascular Hypertension.

    Experienced in Sinusitis
    General Surgery
    Experienced in Sinusitis
    General Surgery

    Mayo Clinic Health System-Southwest Wisconsin Region Inc.

    800 West Ave S, 
    La Crosse, WI 
     (5.6 miles away)
    Languages Spoken:
    English

    Luke Andera is a General Surgeon in La Crosse, Wisconsin. Dr. Andera is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Infant Hearing Loss, DFNB1, Jones Syndrome, and Mouth Sores.

    Showing 1-20 of 30

    Last Updated: 02/22/2026

    What is the definition of Sinusitis?

    Sinusitis is present when the tissue lining the sinuses become swollen or inflamed. It occurs as the result of an inflammatory reaction or an infection from a virus, bacteria, or fungus.

    When should I see a Sinusitis doctor near Onalaska, WI?

    There are various reasons why you may want to see a specialist, such as: 

    • Your primary care provider recommends it. 
    • Your condition requires expert knowledge and specialized care. 
    • Your symptoms persist or worsen despite treatment. 
    • You need specialized testing or procedures. 
    • You want a second opinion.  

    What should I consider when choosing a Sinusitis doctor near Onalaska, WI?

    It’s important to see a provider with expertise in your specific condition. Each provider profile in MediFind’s doctor database includes information on which conditions they treat, years of experience, research contributions, languages spoken, insurance plans accepted, and more.  

    How does MediFind rank Sinusitis doctors near Onalaska, WI?

    MediFind’s rankings are based on a variety of data sources, such as the number of articles a doctor has published in medical journals, participation in clinical trials and industry conferences, as well as the number of patients that provider sees for a given condition. Note that MediFind’s provider database is not based on user reviews, and providers do not pay to be included in the database. 

    What types of insurance are accepted by Sinusitis doctors near Onalaska, WI?

    Most profiles in MediFind’s doctor database include a list of insurance plans accepted by that provider. However, it’s a good idea to contact the provider’s office to make sure they still accept your insurance, then doublecheck by contacting your insurance plan to confirm they’re in network. 

    How can I book an appointment online with a Sinusitis doctor near Onalaska, WI?

    MediFind offers direct scheduling for certain providers using the “Request Appointment” button on that provider’s profile. If the schedule option is not available for a provider, tap the red “Show Phone Number” button on their profile to get their contact information. If you prefer to find providers who offer online scheduling, select “Schedules online” under the “Availability” category of the filter feature on the left side of the Sinusitis doctor search results page. 

    Why is it important to get a second opinion from a different Sinusitis doctor?

    Second opinions are an opportunity to confirm a diagnosis and its root cause, learn about alternative treatment options, or simply gain peace of mind. Many people, especially those with serious diagnoses, get second opinions so they can understand all their options and make informed decisions, so don’t hesitate to get one if you have any doubts or need more information or clarification regarding your care. Note that some insurance plans require second opinions, while others don’t cover second opinions, so be sure to confirm with your insurance provider first.   

    How can I prepare for my appointment with a Sinusitis doctor near Onalaska, WI?

    Prepare for your appointment by gathering the following items: 

    • Copies of medical records (dating back at least one year) 
    • Your medical history, including illnesses, medical conditions, surgeries, and other doctors you see 
    • Family history of disease 
    • List of current prescription drugs, over-the-counter medicines, vitamins, and herbal remedies or supplements including names and doses 
    • Allergies to medications, food, latex, insects, etc.  
    • List of questions and concerns 
    • Your insurance card 

    You might also contact the provider’s office to see if they offer transportation or childcare services or if you’re allowed to bring a loved one for support or to take notes during your visit. 

    What questions should I ask my Sinusitis doctor?

    Here are some sample questions: 

    • Can you explain in simple terms what this condition is and how it’s treated? 
    • What symptoms or side effects should I watch for? 
    • What tests will be involved, and when can I expect results? 
    • Are there other specialists I need to see? 
    • What’s the best way to reach you if I have follow-up questions? 

    How can I learn about the latest clinical trials and research advances my Sinusitis doctor may know about?

    MediFind’s Clinical Trials tool asks you a series of questions to help you narrow down your search by health condition, age, gender, location, how far you’re willing to travel, and more. Each question you answer filters down the number of trials until you find the ones that are most relevant to you. 

    MediFind’s Latest Advances tool features summaries of recent articles published in medical journals. We use cutting-edge technology to scour medical publication databases for the latest research advancements on any given condition, then we simplify this information in a way that’s useful and easy to understand. 

    Can I filter my search to show male or female Sinusitis doctors near Onalaska, WI?

    Look for the filter feature on the left side of the Sinusitis doctor search results page. Select “Female” or “Male” under the “Gender” category to search for female or male providers exclusively. If the “Any” option is selected, it will pull results for both male and female providers. 

    Can I filter my search to find a Sinusitis doctor that offers video calls?

    Look for the filter feature on the left-side of the Sinusitis doctor search results page. Select “Offers telehealth visits” under the Availability category to search for providers who offer virtual appointments (video calls). 

    Reviewed on: 11/11/24  

    By: MediFind Medical Staff 

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