The 20 Best Sinusitis Doctors Near Me in Fontana, CA

Find the Top Sinusitis Experts and Specialists

The 20 Best Sinusitis Doctors near Fontana, CA

Last Updated: 02/22/2026

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MediFind found 295 doctor with experience in Sinusitis near Fontana, CA. Of these, 266 are Experienced, 23 are Advanced and 6 are Distinguished.

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295 providers found
    Namita Mohideen
    Experienced in Sinusitis
    Experienced in Sinusitis

    Namita Mohideen MD Inc

    16465 Sierra Lakes Pkwy #115, 
    Fontana, CA 
     (4.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Your child's health is my top priority. Dr. Mohideen is rated as an Experienced provider by MediFind in the treatment of Sinusitis. Her top areas of expertise are Food Allergy, Obesity in Children, Otitis, and Candida Infection of the Skin.

    Advanced in Sinusitis
    Family Medicine
    Advanced in Sinusitis
    Family Medicine

    Lasalle Medical Associates Rialto

    790 E Foothill Blvd, 
    Rialto, CA 
     (4.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Andrew Benin is a primary care provider, practicing in Family Medicine in Rialto, California. Dr. Benin is rated as an Advanced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Obesity in Children, Type 2 Diabetes (T2D), Food Allergy, and Obesity.

    Experienced in Sinusitis
    Internal Medicine
    Experienced in Sinusitis
    Internal Medicine

    United Family Care

    8110 Mango Ave, 
    Fontana, CA 
     (0.9 miles away)
    Languages Spoken:
    English

    Nasser Liasi is a primary care provider, practicing in Internal Medicine in Fontana, California. Dr. Liasi is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Type 2 Diabetes (T2D), Osteomyelitis in Children, Hypertension, and Familial Hypertension.

    Learn about our expert tiers
    Experienced in Sinusitis
    Internal Medicine
    Experienced in Sinusitis
    Internal Medicine
    8110 Mango Ave, Suite 104, 
    Fontana, CA 
     (0.9 miles away)
    Languages Spoken:
    English

    Duc Nguyen is a primary care provider, practicing in Internal Medicine in Fontana, California. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Osteomyelitis in Children, Type 2 Diabetes (T2D), High Cholesterol, and Purpura.

    Experienced in Sinusitis
    Experienced in Sinusitis

    Kaiser Permanente Fontana Medical Center

    9961 Sierra Ave, 
    Fontana, CA 
     (1.3 miles away)
    Languages Spoken:
    English

    Mitzi Loubriel is a primary care provider, practicing in Pediatrics in Fontana, California. Dr. Loubriel is rated as an Experienced provider by MediFind in the treatment of Sinusitis. Her top areas of expertise are Otitis, Bronchitis, Asthma, and Roseola.

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

    Fontana Medical Center

    9961 Sierra Ave, 
    Fontana, CA 
     (1.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Luanna Yang is an Allergy and Immunologist in Fontana, California. Dr. Yang is rated as an Experienced provider by MediFind in the treatment of Sinusitis. Her top areas of expertise are Asthma, Angioedema, Hives, and Nonallergic Rhinopathy. Dr. Yang is currently accepting new patients.

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

    Kaiser Permanente Fontana Medical Center

    9961 Sierra Ave, 
    Fontana, CA 
     (1.3 miles away)
    Languages Spoken:
    English

    Sandy Wu is an Allergy and Immunologist in Fontana, California. Dr. Wu is rated as an Experienced provider by MediFind in the treatment of Sinusitis. Her top areas of expertise are Vibratory Urticaria, Chronic Spontaneous Urticaria (CSU), Hives, and Asthma in Children.

    Experienced in Sinusitis
    Family Medicine
    Experienced in Sinusitis
    Family Medicine

    Fontana Medical Center

    9961 Sierra Ave, 
    Fontana, CA 
     (1.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Tienanh Pham is a primary care provider, practicing in Family Medicine in Fontana, California. Dr. Pham is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Bronchitis, Asthma in Children, Asthma, and Parinaud Oculoglandular Syndrome. Dr. Pham is currently accepting new patients.

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

    Kaiser Permanente Fontana Medical Center - Allergy Department

    9961 Sierra Ave, 
    Fontana, CA 
     (1.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Michelle Revier is an Allergy and Immunologist in Fontana, California. Dr. Revier is rated as an Experienced provider by MediFind in the treatment of Sinusitis. Her top areas of expertise are Hives, Vibratory Urticaria, Chronic Spontaneous Urticaria (CSU), and Allergic Conjunctivitis. Dr. Revier is currently accepting new patients.

    Experienced in Sinusitis
    Family Medicine
    Experienced in Sinusitis
    Family Medicine

    Kaiser Permanente Fontana Medical Center

    9961 Sierra Ave, 
    Fontana, CA 
     (1.3 miles away)
    Languages Spoken:
    English

    Byung-chyul Hyun is a primary care provider, practicing in Family Medicine in Fontana, California. Dr. Hyun is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Bronchitis, Empyema, and Sinusitis.

    Experienced in Sinusitis
    Family Medicine
    Experienced in Sinusitis
    Family Medicine

    Fontana Medical Center

    9961 Sierra Ave, 
    Fontana, CA 
     (1.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Tarvinder Singh is a primary care provider, practicing in Family Medicine in Fontana, California. Dr. Singh is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Parinaud Oculoglandular Syndrome, Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Lymphangitis, and Otitis. Dr. Singh is currently accepting new patients.

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

    Kaiser Permanente Fontana Medical Center

    9961 Sierra Ave, 
    Fontana, CA 
     (1.3 miles away)
    Languages Spoken:
    English

    Pauline Tsai is an Allergy and Immunologist in Fontana, California. Dr. Tsai is rated as an Experienced provider by MediFind in the treatment of Sinusitis. Her top areas of expertise are Cold Urticaria, Angioedema, Hives, and Chronic Spontaneous Urticaria (CSU).

    Experienced in Sinusitis
    Pediatric Otolaryngology | Otolaryngology
    Experienced in Sinusitis
    Pediatric Otolaryngology | Otolaryngology

    Fontana Medical Center

    9961 Sierra Ave, 
    Fontana, CA 
     (1.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Vikrum Thimmappa is an Otolaryngologist and a Pediatric Otolaryngologist in Fontana, California. Dr. Thimmappa is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Enlarged Adenoids, Ear Tag, Familial Deafness, Adenoidectomy, and Mastoidectomy. Dr. Thimmappa is currently accepting new patients.

    Experienced in Sinusitis
    Family Medicine
    Experienced in Sinusitis
    Family Medicine

    Fontana Medical Center

    9961 Sierra Ave, 
    Fontana, CA 
     (1.3 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Carlyn Estrella is a primary care provider, practicing in Family Medicine in Fontana, California. Dr. Estrella is rated as an Experienced provider by MediFind in the treatment of Sinusitis. Her top areas of expertise are Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Asthma in Children, and Asthma.

    Experienced in Sinusitis
    Family Medicine
    Experienced in Sinusitis
    Family Medicine

    Fontana Medical Center

    9961 Sierra Ave, 
    Fontana, CA 
     (1.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Richard Leon is a primary care provider, practicing in Family Medicine in Fontana, California. Dr. Leon is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Lymphangitis, Parinaud Oculoglandular Syndrome, Opisthotonos, and Muscle Spasms. Dr. Leon is currently accepting new patients.

    Experienced in Sinusitis
    Family Medicine
    Experienced in Sinusitis
    Family Medicine

    Fontana Medical Center

    9961 Sierra Ave, 
    Fontana, CA 
     (1.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Sayuri Tokutake is a primary care provider, practicing in Family Medicine in Fontana, California. Dr. Tokutake is rated as an Experienced provider by MediFind in the treatment of Sinusitis. Her top areas of expertise are Nasal Flaring, Morning Sickness, Neuralgia, and Cellulitis. Dr. Tokutake is currently accepting new patients.

    Experienced in Sinusitis
    Internal Medicine
    Experienced in Sinusitis
    Internal Medicine

    Kaiser Permanente Fontana Medical Center

    9961 Sierra Ave, 
    Fontana, CA 
     (1.3 miles away)
    Languages Spoken:
    English

    Kevin Lee is a primary care provider, practicing in Internal Medicine in Fontana, California. Dr. Lee is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Bronchitis, Type 2 Diabetes (T2D), Opisthotonos, and Muscle Spasms.

    Experienced in Sinusitis
    Family Medicine
    Experienced in Sinusitis
    Family Medicine

    Southern California Permanente Medical Group

    9961 Sierra Ave, 
    Fontana, CA 
     (1.3 miles away)
    Languages Spoken:
    English

    Michelle Ko is a primary care provider, practicing in Family Medicine in Fontana, California. Dr. Ko is rated as an Experienced provider by MediFind in the treatment of Sinusitis. Her top areas of expertise are Asthma, Asthma in Children, Parinaud Oculoglandular Syndrome, and Grass Allergy.

    Experienced in Sinusitis
    Internal Medicine
    Experienced in Sinusitis
    Internal Medicine

    Fontana Medical Center

    9961 Sierra Ave, 
    Fontana, CA 
     (1.3 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Accepting New Patients

    Long Nguyendo is a primary care provider, practicing in Internal Medicine in Fontana, California. Dr. Nguyendo has been practicing medicine for over 17 years and is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Childhood Iron Deficiency Anemia, Iron Deficiency Anemia, Osteomyelitis in Children, and Obesity. Dr. Nguyendo is currently accepting new patients.

    Experienced in Sinusitis
    Family Medicine
    Experienced in Sinusitis
    Family Medicine

    Fontana Medical Center

    9961 Sierra Ave, 
    Fontana, CA 
     (1.3 miles away)
    Languages Spoken:
    English

    Jaclyn Miyamoto is a primary care provider, practicing in Family Medicine in Fontana, California. Dr. Miyamoto is rated as an Experienced provider by MediFind in the treatment of Sinusitis. Her top areas of expertise are Vaginal Cysts, Vaginal Dryness, Alopecia Areata, and Autosomal Recessive Hypotrichosis.

    Showing 1-20 of 295

    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 Fontana, CA?

    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 Fontana, CA?

    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 Fontana, CA?

    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 Fontana, CA?

    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 Fontana, CA?

    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 Fontana, CA?

    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 Fontana, CA?

    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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