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    Last Updated: 10/30/2025

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    MediFind found 281 doctor with experience in Sinusitis near Ontario, CA. Of these, 253 are Experienced, 26 are Advanced and 2 are Distinguished.

    Location
    LocationClose
    281 providers found
      Distinguished in Sinusitis
      Otolaryngology
      Distinguished in Sinusitis
      Otolaryngology

      Inland Ear Nose And Throat A Medical Group Inc

      1030 E Foothill Blvd, Suite 101, 
      Upland, CA 
       (3.0 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Natee Poopat is an Otolaryngologist in Upland, California. Dr. Poopat is rated as a Distinguished provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Sinusitis, Empyema, Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Infant Hearing Loss, and Myringotomy.

      Advanced in Sinusitis
      Family Medicine
      Advanced in Sinusitis
      Family Medicine

      Chino Hills Family Medical Group

      15361 Central Avenue, 
      Chino, CA 
       (4.6 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Cynthia Moreno is a primary care provider, practicing in Family Medicine in Chino, California. Dr. Moreno is rated as an Advanced provider by MediFind in the treatment of Sinusitis. Her top areas of expertise are Empyema, Sinusitis, Cellulitis, and Vertigo.

      What does Elite, Distinguished, Advanced, Experienced mean?
      Advanced in Sinusitis
      Otolaryngology
      Advanced in Sinusitis
      Otolaryngology

      Inland Ear Nose And Throat A Medical Group Inc

      1030 E Foothill Blvd, Suite 101, 
      Upland, CA 
       (3.0 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Clara Olcott is an Otolaryngologist in Upland, California. Dr. Olcott is rated as an Advanced provider by MediFind in the treatment of Sinusitis. Her top areas of expertise are Familial Deafness, Palatal Myoclonus, Nonallergic Rhinopathy, and Ozena.

      Learn about our expert tiers
      Advanced in Sinusitis
      Family Medicine
      Advanced in Sinusitis
      Family Medicine

      Advanced Medical And Urgent Care Center

      974 W Foothill Blvd, 
      Upland, CA 
       (3.1 miles away)
      Languages Spoken:
      English

      Louis Dibernardo is a primary care provider, practicing in Family Medicine in Upland, California. Dr. Dibernardo is rated as an Advanced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Tracheitis, Lymphangitis, Otitis, and Cellulitis.

      Advanced in Sinusitis
      Otolaryngology
      Advanced in Sinusitis
      Otolaryngology

      Ontario Medical Center

      2295 S Vineyard Avenue, 
      Ontario, CA 
       (3.2 miles away)
      Languages Spoken:
      English
      Accepting New Patients

      Samaneh Ashktorab is an Otolaryngologist in Ontario, California. Dr. Ashktorab is rated as an Advanced provider by MediFind in the treatment of Sinusitis. Her top areas of expertise are Sinusitis, Cheilitis Glandularis, Tonsil Stones, and Nonallergic Rhinopathy. Dr. Ashktorab is currently accepting new patients.

      Advanced in Sinusitis
      Family Medicine
      Advanced in Sinusitis
      Family Medicine
      1601 Monte Vista Ave Ste 190, 
      Claremont, CA 
       (4.4 miles away)
      Languages Spoken:
      English

      Irene Sung is a primary care provider, practicing in Family Medicine in Claremont, California. Dr. Sung is rated as an Advanced provider by MediFind in the treatment of Sinusitis. Her top areas of expertise are Parinaud Oculoglandular Syndrome, Cellulitis, Otitis, and Peptic Ulcer.

      Advanced in Sinusitis
      Family Medicine
      Advanced in Sinusitis
      Family Medicine

      Premier Family Medicine Associates, Inc

      1601 Monte Vista Ave, Suite 190, 
      Claremont, CA 
       (4.4 miles away)
      Languages Spoken:
      English

      Saman Aboudi is a primary care provider, practicing in Family Medicine in Claremont, California. Dr. Aboudi is rated as an Advanced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Tracheitis, Cellulitis, Lymphangitis, and Sinusitis.

      Advanced in Sinusitis
      Advanced in Sinusitis

      Premier Family Medicine Associates, Inc

      1601 Monte Vista Ave, Suite 190, 
      Claremont, CA 
       (4.4 miles away)
      Languages Spoken:
      English

      Monique Burleigh-Sanchez is a primary care provider, practicing in Family Medicine in Claremont, California. Dr. Burleigh-Sanchez is rated as an Advanced provider by MediFind in the treatment of Sinusitis. Her top areas of expertise are Acute Cystitis, Otitis, Asthma in Children, and Eosinophilic Asthma.

      Advanced in Sinusitis
      Advanced in Sinusitis

      Premier Family Medicine Associates, Inc

      1601 Monte Vista Ave, Suite 190, 
      Claremont, CA 
       (4.4 miles away)
      Languages Spoken:
      English

      Dana Homer-Bertrand is a primary care provider, practicing in Family Medicine in Claremont, California. Dr. Homer-Bertrand is rated as an Advanced provider by MediFind in the treatment of Sinusitis. Her top areas of expertise are Cellulitis, Parinaud Oculoglandular Syndrome, Otitis, and Peptic Ulcer.

      Advanced in Sinusitis
      Family Medicine
      Advanced in Sinusitis
      Family Medicine

      Premier Family Medicine Associates, Inc

      1601 Monte Vista Ave, Suite 190, 
      Claremont, CA 
       (4.4 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Lester Holstein is a primary care provider, practicing in Family Medicine in Claremont, California. Dr. Holstein is rated as an Advanced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are High Cholesterol, Acne, Hypertension, and Glucocorticoid-Remediable Aldosteronism.

      Advanced in Sinusitis
      Allergy and Immunology
      Advanced in Sinusitis
      Allergy and Immunology
      9045 Haven Ave, Suite 101, 
      Rancho Cucamonga, CA 
       (4.6 miles away)
      Languages Spoken:
      English

      Joshua Gibbs is an Allergy and Immunologist in Rancho Cucamonga, California. Dr. Gibbs is rated as an Advanced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Allergic Conjunctivitis, Conjunctivitis (Pink Eye), Grass Allergy, and Allergic Rhinitis.

      Experienced in Sinusitis
      General Practice
      Experienced in Sinusitis
      General Practice
      402 E Holt Blvd, 
      Ontario, CA 
       (0.1 miles away)
      Languages Spoken:
      English

      David Lozano is a primary care provider, practicing in General Practice in Ontario, California. Dr. Lozano 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 Cirrhosis.

      Experienced in Sinusitis
      Family Medicine
      Experienced in Sinusitis
      Family Medicine

      Pomona Community Health Center

      1556 S Sultana Ave, 
      Ontario, CA 
       (1.3 miles away)
      Experience:
      16+ years
      Languages Spoken:
      English

      Jing Moy is a primary care provider, practicing in Family Medicine in Ontario, California. Dr. Moy has been practicing medicine for over 16 years and is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are High Cholesterol, Obesity in Children, Type 2 Diabetes (T2D), and Tension Headache.

      Experienced in Sinusitis
      Family Medicine | General Practice
      Experienced in Sinusitis
      Family Medicine | General Practice
      300 N Euclid Ave, Suite B, 
      Upland, CA 
       (2.3 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Rick Hirsch is a primary care provider, practicing in Family Medicine and General Practice in Upland, California. Dr. Hirsch is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Multiple Myeloma, Hypertension, Glucocorticoid-Remediable Aldosteronism, Bone Marrow Aspiration, and Gastrostomy.

      Experienced in Sinusitis
      Family Medicine
      Experienced in Sinusitis
      Family Medicine
      901 San Bernardino Rd, Suite 104, 
      Upland, CA 
       (2.5 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Syed Rizvi is a primary care provider, practicing in Family Medicine in Upland, California. Dr. Rizvi is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Hypertensive Heart Disease, Pneumonia, Multisystem Inflammatory Syndrome in Children (MIS-C), Gastrostomy, and Endoscopy.

      Experienced in Sinusitis
      Family Medicine
      Experienced in Sinusitis
      Family Medicine

      MD Zuniga Inc.

      440 N Mountain Ave, Suite 110, 
      Upland, CA 
       (2.6 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Darlene Espinosa is a primary care provider, practicing in Family Medicine in Upland, California. Dr. Espinosa is rated as an Experienced provider by MediFind in the treatment of Sinusitis. Her top areas of expertise are Hypertension, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Type 2 Diabetes (T2D).

      Experienced in Sinusitis
      Family Medicine
      Experienced in Sinusitis
      Family Medicine

      MD Zuniga Inc.

      440 N Mountain Ave, Suite 110, 
      Upland, CA 
       (2.6 miles away)
      Languages Spoken:
      English

      Mike Zuniga is a primary care provider, practicing in Family Medicine in Upland, California. Dr. Zuniga is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and Cirrhosis.

      Experienced in Sinusitis
      Internal Medicine
      Experienced in Sinusitis
      Internal Medicine

      Inland Physicians Hospitalist Services

      999 San Bernardino Rd, 
      Upland, CA 
       (2.7 miles away)
      Languages Spoken:
      English

      George Moran is a primary care provider, practicing in Internal Medicine in Upland, California. Dr. Moran is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Apoplexy, Sepsis, Acute Kidney Failure, and Peptic Ulcer.

      Experienced in Sinusitis
      Family Medicine
      Experienced in Sinusitis
      Family Medicine
      637 N 13th Ave, 
      Upland, CA 
       (2.7 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Mina Soliman is a primary care provider, practicing in Family Medicine in Upland, California. Dr. Soliman 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 Familial Combined Hyperlipidemia.

      Experienced in Sinusitis
      Family Medicine
      Experienced in Sinusitis
      Family Medicine

      Cucamonga Valley Medical Group Inc

      1310 San Bernardino Rd, Suite 105, 
      Upland, CA 
       (2.7 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Muhammad Mowjood is a primary care provider, practicing in Family Medicine in Upland, California. Dr. Mowjood is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His top areas of expertise are Obesity, Methylmalonic Acidemia with Homocystinuria, Sulfite Oxidase Deficiency, and Hypermethioninemia.

      Showing 1-20 of 281

      Last Updated: 10/30/2025

      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 Ontario, 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 Ontario, 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 Ontario, 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 Ontario, 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 Ontario, 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 Ontario, 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 Ontario, 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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