The 20 Best Sinusitis Doctors Near Me in Claremont, CA

Find the Top Sinusitis Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 278 doctor with experience in Sinusitis near Claremont, CA. Of these, 247 are Experienced, 29 are Advanced and 2 are Distinguished.

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278 providers found
    Distinguished in Sinusitis
    Otolaryngology
    Distinguished in Sinusitis
    Otolaryngology

    Inland Ear Nose And Throat A Medical Group Inc.

    1030 E Foothill Blvd Ste 101, 
    Upland, CA 
     (4.7 miles away)
    Languages Spoken:
    English

    Natee Poopat is an Otolaryngologist practicing medicine in Upland, California. Dr. Poopat is rated as a Distinguished provider by MediFind in the treatment of Sinusitis. He is also highly rated in 28 other conditions, according to our data. His clinical expertise encompasses Sinusitis, Empyema, Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Infant Hearing Loss, and Myringotomy.

    Advanced in Sinusitis
    Family Medicine
    Advanced in Sinusitis
    Family Medicine

    Office

    1749 N Garey Ave Ste 101, 
    Pomona, CA 
     (1.4 miles away)
    Languages Spoken:
    English

    Erasto Gutierrez is a primary care provider, practicing in Family Medicine in Pomona, California. Dr. Gutierrez is rated as an Advanced provider by MediFind in the treatment of Sinusitis. He is also highly rated in 36 other conditions, according to our data. His clinical expertise encompasses Tracheitis, Perianal Streptococcal Cellulitis, Lymphangitis, and Cellulitis.

    Advanced in Sinusitis
    Family Medicine
    Advanced in Sinusitis
    Family Medicine

    Office

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

    Monique Castro is a primary care provider, practicing in Family Medicine in Claremont, California. Dr. Castro is rated as an Advanced provider by MediFind in the treatment of Sinusitis. She is also highly rated in 35 other conditions, according to our data. Her clinical expertise encompasses Acute Cystitis, Otitis, Asthma in Children, and Eosinophilic Asthma.

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

    Office

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

    Dana Homer is a primary care provider, practicing in Family Medicine in Claremont, California. Dr. Homer is rated as an Advanced provider by MediFind in the treatment of Sinusitis. She is also highly rated in 39 other conditions, according to our data. Her clinical expertise encompasses Cellulitis, Parinaud Oculoglandular Syndrome, Otitis, and Peptic Ulcer.

    Advanced in Sinusitis
    Family Medicine
    Advanced in Sinusitis
    Family Medicine

    Office

    1601 Monte Vista Ave Ste 190, 
    Claremont, CA 
     (1.6 miles away)
    Experience:
    10+ years
    Languages Spoken:
    English

    Irene Sung is a primary care provider, practicing in Family Medicine in Claremont, California. She has been practicing medicine for over 10 years. Dr. Sung is rated as an Advanced provider by MediFind in the treatment of Sinusitis. She is also highly rated in 19 other conditions, according to our data. Her clinical expertise encompasses Parinaud Oculoglandular Syndrome, Cellulitis, Otitis, and Peptic Ulcer.

    Advanced in Sinusitis
    Family Medicine
    Advanced in Sinusitis
    Family Medicine

    Office

    1601 Monte Vista Ave Ste 100, 
    Claremont, CA 
     (2.2 miles away)
    Languages Spoken:
    English

    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. He is also highly rated in 30 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Acne, Hypertension, and Glucocorticoid-Remediable Aldosteronism.

    Advanced in Sinusitis
    Family Medicine
    Advanced in Sinusitis
    Family Medicine

    Morris Kokhab M.D. A Medical Corporation

    974 W Foothill Blvd, 
    Upland, CA 
     (3.2 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. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Tracheitis, Lymphangitis, Otitis, and Cellulitis.

    Advanced in Sinusitis
    Family Medicine
    Advanced in Sinusitis
    Family Medicine

    La Verne Medical Urgent Care

    1234 Foothill Blvd, 
    La Verne, CA 
     (3.7 miles away)
    Experience:
    20+ years
    Languages Spoken:
    English

    Asif Siddiq is a primary care provider, practicing in Family Medicine in La Verne, California. He has been practicing medicine for over 20 years. Dr. Siddiq is rated as an Advanced provider by MediFind in the treatment of Sinusitis. He is also highly rated in 25 other conditions, according to our data. His clinical expertise encompasses Acute Cystitis, Tracheitis, Lymphangitis, and Tietz Syndrome. Dr. Siddiq is board certified in American Board Of Family Medicine.

    Advanced in Sinusitis
    General Surgery
    Advanced in Sinusitis
    General Surgery

    Chaparral Medical Group Inc.

    297 W Artesia St # A, 
    Pomona, CA 
     (4.6 miles away)
    Languages Spoken:
    English

    Sam Arasoghli is a General Surgeon practicing medicine in Pomona, California. Dr. Arasoghli is rated as an Advanced provider by MediFind in the treatment of Sinusitis. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Benign Paroxysmal Positional Vertigo, Tinnitus, Familial Deafness, and Infant Hearing Loss.

    Advanced in Sinusitis
    Otolaryngology
    Advanced in Sinusitis
    Otolaryngology

    Inland Ear Nose And Throat A Medical Group Inc.

    1030 E Foothill Blvd Ste 101, 
    Upland, CA 
     (4.7 miles away)
    Languages Spoken:
    English

    Clara Olcott is an Otolaryngologist practicing medicine in Upland, California. Dr. Olcott is rated as an Advanced provider by MediFind in the treatment of Sinusitis. She is also highly rated in 24 other conditions, according to our data. Her clinical expertise encompasses Familial Deafness, Ozena, Palatal Myoclonus, and Nonallergic Rhinopathy.

    Advanced in Sinusitis
    Family Medicine
    Advanced in Sinusitis
    Family Medicine

    Ravinder Singh, Md, Inc.

    525 N 13th Ave, 
    Upland, CA 
     (4.9 miles away)
    Experience:
    27+ years
    Languages Spoken:
    English
    Offers Telehealth

    Ravinder Singh is a primary care provider, practicing in Family Medicine in Upland, California. He has been practicing medicine for over 27 years. Dr. Singh is rated as an Advanced provider by MediFind in the treatment of Sinusitis. He is also highly rated in 108 other conditions, according to our data. His clinical expertise encompasses Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Hypertension, Liver Transplant, and Knee Replacement. Dr. Singh is board certified in American Board Of Family Medicine.

    Advanced in Sinusitis
    Family Medicine
    Advanced in Sinusitis
    Family Medicine

    Chino Hills Family Medical Group

    15361 Central Avenue, 
    Chino, CA 
     (6.7 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. She is also highly rated in 10 other conditions, according to our data. Her clinical expertise encompasses Empyema, Sinusitis, Cellulitis, and Vertigo.

    Distinguished in Sinusitis
    Otolaryngology
    Distinguished in Sinusitis
    Otolaryngology

    Covina Ear Nose And Throat Medical Group

    202 W College St, 
    Covina, CA 
     (9.9 miles away)
    Experience:
    42+ years
    Languages Spoken:
    English

    James Williams is an Otolaryngologist practicing medicine in Covina, California. He has been practicing medicine for over 42 years. Dr. Williams is rated as a Distinguished provider by MediFind in the treatment of Sinusitis. He is also highly rated in 37 other conditions, according to our data. His clinical expertise encompasses Jones Syndrome, DFNB1, Infant Hearing Loss, and Sinusitis.

    Experienced in Sinusitis
    Internal Medicine
    Experienced in Sinusitis
    Internal Medicine

    Chaparral Medical Group Inc.

    138 Harvard Ave, 
    Claremont, CA 
     (0.2 miles away)
    Languages Spoken:
    English

    Ashok Sharma is a primary care provider, practicing in Internal Medicine in Claremont, California. Dr. Sharma is rated as an Experienced provider by MediFind in the treatment of Sinusitis. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Atrial Fibrillation, Obesity, Attenuated Familial Adenomatous Polyposis, and Juvenile Polyposis Syndrome.

    Experienced in Sinusitis
    Family Medicine
    Experienced in Sinusitis
    Family Medicine

    SCPMG Laboratory-Indian Hill

    250 W San Jose Ave, 
    Claremont, CA 
     (1.0 miles away)
    Languages Spoken:
    English

    Phung Nim is a primary care provider, practicing in Family Medicine in Claremont, California. Dr. Nim is rated as an Experienced provider by MediFind in the treatment of Sinusitis. Her clinical expertise encompasses Type 2 Diabetes (T2D), Hypertension, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism.

    Experienced in Sinusitis
    Family Medicine
    Experienced in Sinusitis
    Family Medicine

    SCPMG Laboratory-Indian Hill

    250 W San Jose Ave, 
    Claremont, CA 
     (1.0 miles away)
    Languages Spoken:
    English

    Mohamed Simjee is a primary care provider, practicing in Family Medicine in Claremont, California. Dr. Simjee is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His clinical expertise encompasses Asthma, Trichohepatoenteric Syndrome, Diarrhea, and Morning Sickness.

    Experienced in Sinusitis
    Internal Medicine
    Experienced in Sinusitis
    Internal Medicine

    Chaparral Medical Group Inc.

    790 E Bonita Ave, 
    Pomona, CA 
     (1.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Uzma Waraich is a primary care provider, practicing in Internal Medicine in Pomona, California. Dr. Waraich is rated as an Experienced provider by MediFind in the treatment of Sinusitis. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Obesity, Obesity in Children, High Cholesterol, and Type 2 Diabetes (T2D).

    Experienced in Sinusitis
    Family Medicine
    Experienced in Sinusitis
    Family Medicine

    Chaparral Medical Group Inc.

    790 E Bonita Ave, 
    Pomona, CA 
     (1.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Nallely Flores is a primary care provider, practicing in Family Medicine in Pomona, California. Dr. Flores is rated as an Experienced provider by MediFind in the treatment of Sinusitis. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Obesity, Hepatic Cystic Hamartoma, Caroli Disease, and Sciatica.

    Experienced in Sinusitis
    Internal Medicine
    Experienced in Sinusitis
    Internal Medicine

    Chaparral Medical Group Inc.

    790 E Bonita Ave, 
    Pomona, CA 
     (1.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Redemption Geronimo is a primary care provider, practicing in Internal Medicine in Pomona, California. Dr. Geronimo is rated as an Experienced provider by MediFind in the treatment of Sinusitis. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Fibrocystic Breast Disease, Breast Infection, Obesity, and Type 2 Diabetes (T2D).

    Experienced in Sinusitis
    Family Medicine
    Experienced in Sinusitis
    Family Medicine

    Office

    1770 N Orange Grove Ave Ste 101, 
    Pomona, CA 
     (1.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Libia Wohlert is a primary care provider, practicing in Family Medicine in Pomona, California. Dr. Wohlert is rated as an Experienced provider by MediFind in the treatment of Sinusitis. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Obesity, Obesity in Children, Type 2 Diabetes (T2D), Opisthotonos, and Intrauterine Device Insertion.

    Showing 1-20 of 278

    Last Updated: 04/28/2026

    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 Claremont, 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 Claremont, 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 Claremont, 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 Claremont, 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 Claremont, 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 Claremont, 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 Claremont, 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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