The 20 Best Sinusitis Doctors Near Me in Diamond Bar, CA

Find the Top Sinusitis Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 487 doctor with experience in Sinusitis near Diamond Bar, CA. Of these, 438 are Experienced, 45 are Advanced and 4 are Distinguished.

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487 providers found
    Experienced in Sinusitis
    Pediatrics | Internal Medicine
    Experienced in Sinusitis
    Pediatrics | Internal Medicine
    2707 South Diamond Bar Boulevard, Suite 104, 
    Diamond Bar, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jonathan Ou is a primary care provider, practicing in Pediatrics and Internal Medicine in Diamond Bar, California. Dr. Ou is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His clinical expertise encompasses Osteomyelitis in Children, High Cholesterol, Febrile Neutropenia, and Vitamin D Deficiency.

    Advanced in Sinusitis
    Family Medicine
    Advanced in Sinusitis
    Family Medicine

    Premier Family Medicine Associates, Inc

    3110 Chino Ave, 
    Chino Hills, CA 
     (4.2 miles away)
    Experience:
    25+ years
    Languages Spoken:
    English

    Stefan Reynoso is a primary care provider, practicing in Family Medicine in Chino Hills, California. He has been practicing medicine for over 25 years. Dr. Reynoso is rated as an Advanced provider by MediFind in the treatment of Sinusitis. He is also highly rated in 35 other conditions, according to our data. His clinical expertise encompasses Tracheitis, Otitis, Parinaud Oculoglandular Syndrome, and Cellulitis. Dr. Reynoso 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 
     (4.5 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.

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

    Office

    3110 Chino Ave Ste 150B, 
    Chino Hills, CA 
     (4.9 miles away)
    Languages Spoken:
    English

    Saman Aboudi is a primary care provider, practicing in Emergency Medicine in Chino Hills, California. Dr. Aboudi 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, Cellulitis, Lymphangitis, and Sinusitis.

    Advanced in Sinusitis
    Family Medicine
    Advanced in Sinusitis
    Family Medicine

    Office

    3110 Chino Ave Ste 150A, 
    Chino Hills, CA 
     (4.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Ryan Agena is a primary care provider, practicing in Family Medicine in Chino Hills, California. Dr. Agena is rated as an Advanced provider by MediFind in the treatment of Sinusitis. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Hypertension.

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

    Alfred Moon is an Allergy and Immunologist practicing medicine in Brea, California. Dr. Moon is rated as an Advanced 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 Allergic Rhinitis, Sinusitis, Hives, and Exercise-Induced Anaphylaxis (EIA). Dr. Moon is currently accepting new patients.

    Advanced in Sinusitis
    Family Medicine
    Advanced in Sinusitis
    Family Medicine

    Chino Hills Family Medical Group

    15361 Central Avenue, 
    Chino, CA 
     (7.3 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 
     (7.6 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
    Family Medicine | Pediatrics
    Experienced in Sinusitis
    Family Medicine | Pediatrics

    Caduceus Medical Group

    18200 Yorba Linda Blvd, Suite 250, 
    Yorba Linda, CA 
     (7.8 miles away)
    Experience:
    38+ years
    Languages Spoken:
    English
    Offers Telehealth

    Dennis Ponzio is a primary care provider, practicing in Pediatrics and Family Medicine in Yorba Linda, California. He has been practicing medicine for over 38 years. Dr. Ponzio is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His clinical expertise encompasses High Cholesterol, Familial Hypertension, Hypertension, and Glucocorticoid-Remediable Aldosteronism. Dr. Ponzio is board certified in American Board Of Family Medicine.

    Distinguished in Sinusitis
    General Surgery
    Distinguished in Sinusitis
    General Surgery

    Office

    1041 E Yorba Linda Blvd Ste 309, 
    Placentia, CA 
     (8.6 miles away)
    Languages Spoken:
    English

    Edward Kuan is a General Surgeon practicing medicine in Placentia, California. Dr. Kuan 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 Sinus Cancer, Olfactory Neuroblastoma, Pituitary Tumor, Endoscopic Transnasal Transsphenoidal Surgery, and Endoscopy.

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

    Eric Waki is an Otolaryngologist practicing medicine in Fullerton, California. Dr. Waki is rated as an Advanced provider by MediFind in the treatment of Sinusitis. He is also highly rated in 22 other conditions, according to our data. His clinical expertise encompasses 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 
     (9.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Eric Sugihara is an Otolaryngologist practicing medicine in Fullerton, California. Dr. Sugihara is rated as an Advanced provider by MediFind in the treatment of Sinusitis. He is also highly rated in 22 other conditions, according to our data. His clinical expertise encompasses Infant Hearing Loss, DFNB1, Familial Deafness, and Tinnitus. Dr. Sugihara is currently accepting new patients.

    Experienced in Sinusitis
    Family Medicine
    Experienced in Sinusitis
    Family Medicine
    253 South Diamond Bar Boulevard, 
    Diamond Bar, CA 
     (1.2 miles away)
    Languages Spoken:
    English

    Douglas Starr is a primary care provider, practicing in Family Medicine in Diamond Bar, California. Dr. Starr is rated as an Experienced provider by MediFind in the treatment of Sinusitis. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Hypertensive Heart Disease, Enlarged Liver, High Cholesterol, and Type 2 Diabetes (T2D).

    Experienced in Sinusitis
    Family Medicine
    Experienced in Sinusitis
    Family Medicine
    253 South Diamond Bar Boulevard, 
    Diamond Bar, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Aaron Lin is a primary care provider, practicing in Family Medicine in Diamond Bar, California. Dr. Lin is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His clinical expertise encompasses High Cholesterol, Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Sciatica, and Chronic Pain. Dr. Lin is currently accepting new patients.

    Experienced in Sinusitis
    Family Medicine
    Experienced in Sinusitis
    Family Medicine
    253 South Diamond Bar Boulevard, 
    Diamond Bar, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Patrick Bachoura is a primary care provider, practicing in Family Medicine in Diamond Bar, California. Dr. Bachoura is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His clinical expertise encompasses Cerebellar Multiple System Atrophy, Hepatocerebral Degeneration, Chronic Pain, and Osteomyelitis in Children. Dr. Bachoura is currently accepting new patients.

    Experienced in Sinusitis
    Family Medicine | Geriatrics
    Experienced in Sinusitis
    Family Medicine | Geriatrics
    253 South Diamond Bar Boulevard, 
    Diamond Bar, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    David Rhodes is a primary care provider, practicing in Family Medicine and Geriatrics in Diamond Bar, California. Dr. Rhodes is rated as an Experienced provider by MediFind in the treatment of Sinusitis. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Osteomyelitis in Children, Glucocorticoid-Remediable Aldosteronism, and Hypertension.

    Experienced in Sinusitis
    Family Medicine
    Experienced in Sinusitis
    Family Medicine
    253 South Diamond Bar Boulevard, 
    Diamond Bar, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Eric Lee is a primary care provider, practicing in Family Medicine in Diamond Bar, California. Dr. Lee is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His clinical expertise encompasses High Cholesterol, Methemoglobinemia, Type 2 Diabetes (T2D), and Gout. Dr. Lee is currently accepting new patients.

    Experienced in Sinusitis
    Family Medicine
    Experienced in Sinusitis
    Family Medicine

    Kaiser Permanente PHMCY #554

    1336 Bridgegate Dr, 
    Diamond Bar, CA 
     (1.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Savitha Sunkara is a primary care provider, practicing in Family Medicine in Diamond Bar, California. Dr. Sunkara is rated as an Experienced provider by MediFind in the treatment of Sinusitis. Her clinical expertise encompasses Opisthotonos, Muscle Spasms, Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), and Vulvovaginitis.

    Experienced in Sinusitis
    Family Medicine
    Experienced in Sinusitis
    Family Medicine

    Luis Perez M.D. A Professional Corp.

    716 E Mission Blvd Ste D, 
    Pomona, CA 
     (4.3 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Luis Mejia is a primary care provider, practicing in Family Medicine in Pomona, California. Dr. Mejia is rated as an Experienced provider by MediFind in the treatment of Sinusitis. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Osteomyelitis in Children, High Cholesterol, and Infant Hyperglycemia.

    Experienced in Sinusitis
    Family Medicine
    Experienced in Sinusitis
    Family Medicine

    Western Univ. Of Health Sciences

    795 E 2nd St Ste 5, 
    Pomona, CA 
     (4.3 miles away)
    Languages Spoken:
    English

    Nghia Phan is a primary care provider, practicing in Family Medicine in Pomona, California. Dr. Phan is rated as an Experienced provider by MediFind in the treatment of Sinusitis. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Osteomyelitis in Children, Cirrhosis, and Familial Combined Hyperlipidemia.

    Showing 1-20 of 487

    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 Diamond Bar, 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 Diamond Bar, 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 Diamond Bar, 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 Diamond Bar, 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 Diamond Bar, 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 Diamond Bar, 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 Diamond Bar, 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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