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    Last Updated: 01/09/2026

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    MediFind found 789 doctor with experience in Sinusitis near Fullerton, CA. Of these, 709 are Experienced, 70 are Advanced, 9 are Distinguished and 1 are Elite.

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    789 providers found
      Chao-i Lin
      Distinguished in Sinusitis
      Allergy and Immunology
      Distinguished in Sinusitis
      Allergy and Immunology

      Allergy Partners Of Orange County - Fullerton

      1440 N Harbor Blvd, 
      Fullerton, CA 
       (0.9 miles away)
      Languages Spoken:
      English

      Chao-i Lin is an Allergy and Immunologist in Fullerton, California. Dr. Lin is rated as a Distinguished provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Hives, Allergic Rhinitis, Sinusitis, and Grass Allergy.

      William Harris
      Distinguished in Sinusitis
      Allergy and Immunology
      Distinguished in Sinusitis
      Allergy and Immunology

      Allergy Partners Of Orange County - Fullerton

      1440 N Harbor Blvd, 
      Fullerton, CA 
       (0.9 miles away)
      Languages Spoken:
      English

      William Harris is an Allergy and Immunologist in Fullerton, California. Dr. Harris is rated as a Distinguished provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Hives, Sinusitis, Grass Allergy, and Allergic Rhinitis.

      Elite in Sinusitis
      Elite in Sinusitis

      University Head And Neck Surgeons

      101 The City Dr S, 
      Orange, CA 
       (6.0 miles away)
      Languages Spoken:
      English

      Naveen Bhandarkar is an Otolaryngologist in Orange, California. Dr. Bhandarkar is rated as an Elite provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Sinusitis, Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Empyema, Septoplasty, and Endoscopy.

      Learn about our expert tiers
      Advanced in Sinusitis
      Otolaryngology
      Advanced in Sinusitis
      Otolaryngology
      2240 North Harbor Boulevard, Suite 200, 
      Fullerton, CA 
       (2.2 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Eric Waki is an Otolaryngologist in Fullerton, California. Dr. Waki is rated as an Advanced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Auditory Neuropathy Spectrum Disorder, Tinnitus, DFNB1, and Infant Hearing Loss. Dr. Waki is currently accepting new patients.

      Advanced in Sinusitis
      Otolaryngology
      Advanced in Sinusitis
      Otolaryngology
      2240 North Harbor Boulevard, Suite 200, 
      Fullerton, CA 
       (2.2 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Eric Sugihara is an Otolaryngologist in Fullerton, California. Dr. Sugihara is rated as an Advanced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Infant Hearing Loss, DFNB1, Familial Deafness, and Tinnitus. Dr. Sugihara is currently accepting new patients.

      Advanced in Sinusitis
      Allergy and Immunology
      Advanced in Sinusitis
      Allergy and Immunology
      955 West Imperial Highway, Suite 110, 
      Brea, CA 
       (4.5 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Alfred Moon is an Allergy and Immunologist in Brea, California. Dr. Moon is rated as an Advanced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Allergic Rhinitis, Sinusitis, Hives, and Anaphylaxis. Dr. Moon is currently accepting new patients.

      Distinguished in Sinusitis
      Plastic Surgery | Otolaryngology
      Distinguished in Sinusitis
      Plastic Surgery | Otolaryngology

      Oc Ent & Sinus

      3801 Katella Ave, Suite 414, 
      Los Alamitos, CA 
       (9.5 miles away)
      Languages Spoken:
      English

      Michael Kim is a Plastic Surgeon and an Otolaryngologist in Los Alamitos, California. Dr. Kim is rated as a Distinguished provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Jones Syndrome, DFNB1, Tinnitus, and Sutton Disease 2.

      Experienced in Sinusitis
      Internal Medicine
      Experienced in Sinusitis
      Internal Medicine
      907 West Wilshire Avenue, 
      Fullerton, CA 
       (0.3 miles away)
      Languages Spoken:
      English

      Arun Patel is a primary care provider, practicing in Internal Medicine in Fullerton, California. Dr. Patel is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Maturity Onset Diabetes of the Young, Neuralgia, Vertigo, Endoscopy, and Gastrostomy.

      Experienced in Sinusitis
      Experienced in Sinusitis
      2240 North Harbor Boulevard, Suite 200, 
      Fullerton, CA 
       (2.2 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Christopher Vuong is an Otolaryngologist in Fullerton, California. Dr. Vuong is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Familial Deafness, Infant Hearing Loss, DFNB1, Thyroidectomy, and Parathyroidectomy. Dr. Vuong is currently accepting new patients.

      Experienced in Sinusitis
      Otolaryngology
      Experienced in Sinusitis
      Otolaryngology
      2240 North Harbor Boulevard, Suite 200, 
      Fullerton, CA 
       (2.2 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Michael Kao is an Otolaryngologist in Fullerton, California. Dr. Kao is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Tinnitus, DFNB1, Jones Syndrome, and Infant Hearing Loss. Dr. Kao is currently accepting new patients.

      Experienced in Sinusitis
      Otolaryngology
      Experienced in Sinusitis
      Otolaryngology
      1955 Sunny Crest Drive, Suite 108, 
      Fullerton, CA 
       (2.2 miles away)
      Languages Spoken:
      English
      Accepting New Patients

      James Lee is an Otolaryngologist in Fullerton, California. Dr. Lee is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Deafness Hypogonadism Syndrome, Nonsyndromic Hearing Loss, Autonomic Neuropathy, and Hyperventilation. Dr. Lee is currently accepting new patients.

      Experienced in Sinusitis
      Internal Medicine
      Experienced in Sinusitis
      Internal Medicine
      2141 North Harbor Boulevard, Suite 25000, 
      Fullerton, CA 
       (2.2 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Leo Garcia is a primary care provider, practicing in Internal Medicine in Fullerton, California. Dr. Garcia is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are High Cholesterol, Sitosterolemia, Chronic Cough, and Vitamin D Deficiency.

      Experienced in Sinusitis
      Internal Medicine
      Experienced in Sinusitis
      Internal Medicine
      2141 North Harbor Boulevard, Suite 25000, 
      Fullerton, CA 
       (2.2 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Amy Alias is a primary care provider, practicing in Internal Medicine in Fullerton, California. Dr. Alias is rated as an Experienced provider by MediFind in the treatment of Sinusitis. Her top areas of expertise are Macroamylasemia, Anemia, Osteoporosis, and Postmenopausal Osteoporosis. Dr. Alias is currently accepting new patients.

      Experienced in Sinusitis
      Internal Medicine
      Experienced in Sinusitis
      Internal Medicine
      2141 North Harbor Boulevard, Suite 25000, 
      Fullerton, CA 
       (2.2 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Ruben Cabral is a primary care provider, practicing in Internal Medicine in Fullerton, California. Dr. Cabral is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Hypertension, and Type 2 Diabetes (T2D). Dr. Cabral is currently accepting new patients.

      Experienced in Sinusitis
      Internal Medicine
      Experienced in Sinusitis
      Internal Medicine

      St. Jude Heritage Medical Group

      2141 N Harbor Blvd Ste 25000, 
      Fullerton, CA 
       (2.2 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      David Ruckman is a primary care provider, practicing in Internal Medicine in Fullerton, California. Dr. Ruckman is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Ascites, Anemia, High Cholesterol, and Glucocorticoid-Remediable Aldosteronism.

      Experienced in Sinusitis
      Family Medicine
      Experienced in Sinusitis
      Family Medicine
      1835 Sunny Crest Drive, 
      Fullerton, CA 
       (2.2 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Ynolde Smith is a primary care provider, practicing in Family Medicine in Fullerton, California. Dr. Smith is rated as an Experienced provider by MediFind in the treatment of Sinusitis. Her top areas of expertise are Acquired Agranulocytosis, Autism Spectrum Disorder, Obesity, and Sitosterolemia.

      Experienced in Sinusitis
      Internal Medicine
      Experienced in Sinusitis
      Internal Medicine
      2141 North Harbor Boulevard, Suite 25000, 
      Fullerton, CA 
       (2.2 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Johnny Wu is a primary care provider, practicing in Internal Medicine in Fullerton, California. Dr. Wu is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Cerebellar Multiple System Atrophy, Hepatocerebral Degeneration, Bronchiectasis, and Familial Hypertension. Dr. Wu is currently accepting new patients.

      Experienced in Sinusitis
      Family Medicine
      Experienced in Sinusitis
      Family Medicine
      1835 Sunny Crest Drive, 
      Fullerton, CA 
       (2.2 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Christopher Aou is a primary care provider, practicing in Family Medicine in Fullerton, California. Dr. Aou is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are High Cholesterol, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension.

      Experienced in Sinusitis
      Internal Medicine
      Experienced in Sinusitis
      Internal Medicine
      2141 North Harbor Boulevard, Suite 25000, 
      Fullerton, CA 
       (2.2 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Bradley Borsari is a primary care provider, practicing in Internal Medicine in Fullerton, California. Dr. Borsari is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Gardner-Diamond Syndrome, Purpura, Autoerythrocyte Sensitivity, and Postmenopausal Osteoporosis.

      Experienced in Sinusitis
      Family Medicine
      Experienced in Sinusitis
      Family Medicine
      1835 Sunny Crest Drive, 
      Fullerton, CA 
       (2.2 miles away)
      Experience:
      44+ years
      Languages Spoken:
      English
      Offers Telehealth

      Mark Davenport is a primary care provider, practicing in Family Medicine in Fullerton, California. Dr. Davenport has been practicing medicine for over 44 years and is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are High Cholesterol, Type 2 Diabetes (T2D), Cerebellar Multiple System Atrophy, and Hepatocerebral Degeneration.

      Showing 1-20 of 789

      Last Updated: 01/09/2026

      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 Fullerton, 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 Fullerton, 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 Fullerton, 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 Fullerton, 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 Fullerton, 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 Fullerton, 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 Fullerton, 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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