The 20 Best Sinusitis Doctors Near Me in Rancho Santa Margarita, CA

Find the Top Sinusitis Experts and Specialists

Last Updated: 09/26/2026

Save doctors for later
Sign Up
Not sure about your diagnosis?
Check Your Symptoms
Already have a doctor?
Find A Second Opinion

MediFind found 238 doctor with experience in Sinusitis near Rancho Santa Margarita, CA. Of these, 204 are Experienced, 27 are Advanced and 7 are Distinguished.

Location
LocationClose
238 providers found
    Experienced in Sinusitis
    Internal Medicine
    Experienced in Sinusitis
    Internal Medicine

    Optum - Rancho Santa Margarita

    29873 Santa Margarita Pkwy, 
    Rancho Santa Margarita, CA 
     (0.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Shaparak Kamarei is a primary care provider, practicing in Internal Medicine in Rancho Santa Margarita, California. Dr. Kamarei is rated as an Experienced provider by MediFind in the treatment of Sinusitis. She is also highly rated in 9 other conditions, according to our data. Her clinical expertise encompasses Insomnia, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension. Dr. Kamarei is board certified in American Board Of Internal Medicine. Dr. Kamarei is currently accepting new patients.

    Experienced in Sinusitis
    Family Medicine
    Experienced in Sinusitis
    Family Medicine

    Optum - Rancho Santa Margarita

    29873 Santa Margarita Pkwy, 
    Rancho Santa Margarita, CA 
     (0.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Faranak Ghazi is a primary care provider, practicing in Family Medicine in Rancho Santa Margarita, California. Dr. Ghazi 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 Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and High Cholesterol. Dr. Ghazi is board certified in American Board Of Family Medicine. Dr. Ghazi is currently accepting new patients.

    Distinguished in Sinusitis
    Allergy and Immunology
    Distinguished in Sinusitis
    Allergy and Immunology
    Referral may be required

    Allergy And Asthma Assoc Of So Calif

    28202 Cabot Rd, 
    Laguna Niguel, CA 
     (7.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Warner Carr is an Allergy and Immunologist practicing medicine in Laguna Niguel, California. Dr. Carr is rated as a Distinguished provider by MediFind in the treatment of Sinusitis. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Allergic Rhinitis, Sinusitis, Allergic Conjunctivitis, and Conjunctivitis (Pink Eye). Dr. Carr is board certified in American Board Of Allergy & Immunology. Dr. Carr is currently accepting new patients.

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

    Mission Medical Urgent Care

    26800 Crown Valley Pkwy Ste 150, 
    Mission Viejo, CA 
     (4.1 miles away)
    Languages Spoken:
    English

    Phuong Ly is a primary care provider, practicing in Family Medicine in Mission Viejo, California. Dr. Ly is rated as an Advanced provider by MediFind in the treatment of Sinusitis. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Tracheitis, Empyema, Sinusitis, and Lymphangitis.

    Advanced in Sinusitis
    Family Medicine
    Advanced in Sinusitis
    Family Medicine

    Kolvita Family Medical Group Inc.

    25982 Pala Ste 180, 
    Mission Viejo, CA 
     (4.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Matthew Zeller is a primary care provider, practicing in Family Medicine in Mission Viejo, California. Dr. Zeller 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 Cellulitis, Tracheitis, Neuralgia, and Papular Urticaria.

    Advanced in Sinusitis
    Advanced in Sinusitis

    Optum - Ladera Ranch

    800 Corporate Dr, 
    Ladera Ranch, CA 
     (5.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Mitchell Wainwright is a primary care provider, practicing in Family Medicine in Ladera Ranch, California. Dr. Wainwright is rated as an Advanced provider by MediFind in the treatment of Sinusitis. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Papular Urticaria, Multisystem Inflammatory Syndrome in Children (MIS-C), COVID-19, and Empyema. Dr. Wainwright is currently accepting new patients.

    Distinguished in Sinusitis
    Distinguished in Sinusitis
    Referral may be required

    Head And Neck Associates

    26726 Crown Valley Pkwy, 
    Mission Viejo, CA 
     (6.4 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Christopher Thompson is an Otolaryngologist practicing medicine in Mission Viejo, California. He has been practicing medicine for over 17 years. Dr. Thompson is rated as a Distinguished 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 Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Sinusitis, Nasal Polyps, Turbinectomy, and Septoplasty. Dr. Thompson is board certified in American Board Of Otolaryngology. Dr. Thompson is currently accepting new patients.

    Distinguished in Sinusitis
    Distinguished in Sinusitis
    Referral may be required

    Orange County Ear Nose And Throat Assocs

    24411 Health Center Dr, 
    Laguna Hills, CA 
     (6.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Christopher Yian is an Otolaryngologist practicing medicine in Laguna Hills, California. Dr. Yian is rated as a Distinguished provider by MediFind in the treatment of Sinusitis. He is also highly rated in 34 other conditions, according to our data. His clinical expertise encompasses Jones Syndrome, Infant Hearing Loss, DFNB1, and Ruptured Eardrum. Dr. Yian is board certified in American Board Of Otolaryngology. Dr. Yian is currently accepting new patients.

    Distinguished in Sinusitis
    Neurology | Otolaryngology
    Distinguished in Sinusitis
    Neurology | Otolaryngology
    Referral may be required

    Orange County Ear Nose And Throat Assocs

    24411 Health Center Dr, 
    Laguna Hills, CA 
     (6.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    John Sun is a Neurologist and an Otolaryngologist practicing medicine in Laguna Hills, California. Dr. Sun is rated as a Distinguished provider by MediFind in the treatment of Sinusitis. He is also highly rated in 31 other conditions, according to our data. His clinical expertise encompasses Empyema, Sinusitis, DFNB1, and Jones Syndrome. Dr. Sun is board certified in American Board Of Otolaryngology. Dr. Sun is currently accepting new patients.

    Distinguished in Sinusitis
    Internal Medicine
    Distinguished in Sinusitis
    Internal Medicine

    Behdad Akbarpour MD Inc

    Irvine, CA 
     (7.7 miles away)
    Languages Spoken:
    English

    Behdad Akbarpour is a primary care provider, practicing in Internal Medicine in Irvine, California. Dr. Akbarpour is rated as a Distinguished provider by MediFind in the treatment of Sinusitis. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Ethmoiditis, Flu, Cellulitis, and Sinusitis. Dr. Akbarpour is board certified in American Board Of Internal Medicine.

    Advanced in Sinusitis
    Family Medicine
    Advanced in Sinusitis
    Family Medicine
    Aliso Viejo, CA 
     (8.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Shannon O'connor is a primary care provider, practicing in Family Medicine in Aliso Viejo, California. Dr. O'connor is rated as an Advanced provider by MediFind in the treatment of Sinusitis. She is also highly rated in 33 other conditions, according to our data. Her clinical expertise encompasses Tracheitis, Obesity in Children, Food Allergy, and Seasonal Affective Disorder (SAD). Dr. O'connor is currently accepting new patients.

    Experienced in Sinusitis
    Family Medicine
    Experienced in Sinusitis
    Family Medicine

    Excel Physicians Medical Corporation

    29809 Santa Margarita Pkwy, 
    Rancho Santa Margarita, CA 
     (0.4 miles away)
    Languages Spoken:
    English

    Peter Desilva is a primary care provider, practicing in Family Medicine in Rancho Santa Margarita, California. Dr. Desilva is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His clinical expertise encompasses Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and Erectile Dysfunction (ED). Dr. Desilva is board certified in American Board Of Family Medicine.

    Experienced in Sinusitis
    Family Medicine
    Experienced in Sinusitis
    Family Medicine

    Excel Physicians Medical Corporation

    29809 Santa Margarita Pkwy, 
    Rancho Santa Margarita, CA 
     (0.4 miles away)
    Languages Spoken:
    English

    Natalia Bilan is a primary care provider, practicing in Family Medicine in Rancho Santa Margarita, California. Dr. Bilan is rated as an Experienced provider by MediFind in the treatment of Sinusitis. Her clinical expertise encompasses Type 2 Diabetes (T2D), Sciatica, High Cholesterol, and Familial Combined Hyperlipidemia. Dr. Bilan is board certified in American Board Of Family Medicine.

    Experienced in Sinusitis
    General Practice
    Experienced in Sinusitis
    General Practice

    Hector Ramirez MD

    29833 Santa Margarita Pkwy, 
    Rancho Santa Margarita, CA 
     (0.5 miles away)
    Languages Spoken:
    English

    Hector Ramirez is a primary care provider, practicing in General Practice in Rancho Santa Margarita, California. Dr. Ramirez 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 Tracheitis, Labyrinthitis, Empyema, and Parinaud Oculoglandular Syndrome.

    Experienced in Sinusitis
    Family Medicine
    Experienced in Sinusitis
    Family Medicine

    Office

    22342 Avenida Empresa Ste 195, 
    Rancho Santa Margarita, CA 
     (1.5 miles away)
    Languages Spoken:
    English

    Mark Adlard is a primary care provider, practicing in Family Medicine in Rancho Santa Margarita, California. Dr. Adlard 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 Sitosterolemia, High Cholesterol, Hypertension, and Glucocorticoid-Remediable Aldosteronism.

    Experienced in Sinusitis
    Internal Medicine
    Experienced in Sinusitis
    Internal Medicine

    Southland Family & Urgent Care Inc

    27660 Santa Margarita Pkwy, 
    Mission Viejo, CA 
     (2.7 miles away)
    Languages Spoken:
    English

    Konstantinos Melahoures is a primary care provider, practicing in Internal Medicine in Mission Viejo, California. Dr. Melahoures is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His clinical expertise encompasses Sinusitis, Metastatic Uveal Melanoma, COVID-19, and Multisystem Inflammatory Syndrome in Children (MIS-C).

    Experienced in Sinusitis
    Family Medicine
    Experienced in Sinusitis
    Family Medicine

    Allen A Jahroumi, MD

    Mission Viejo, CA 
     (4.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Allen Jahroumi is a primary care provider, practicing in Family Medicine in Mission Viejo, California. Dr. Jahroumi is rated as an Experienced provider by MediFind in the treatment of Sinusitis. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Purpura, Gardner-Diamond Syndrome, Autoerythrocyte Sensitivity, and Cellulitis.

    Experienced in Sinusitis
    Experienced in Sinusitis

    Mission Medical Urgent Care

    26800 Crown Valley Pkwy Ste 150, 
    Mission Viejo, CA 
     (4.1 miles away)
    Languages Spoken:
    English

    Shenoda Abd Elmaseh is a primary care provider, practicing in Family Medicine in Mission Viejo, California. Dr. Abd Elmaseh is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His clinical expertise encompasses Tracheitis, Cellulitis, Sinusitis, and Lymphangitis.

    Experienced in Sinusitis
    Internal Medicine
    Experienced in Sinusitis
    Internal Medicine

    MemorialCare Medical Group - Mission Viejo

    Mission Viejo, CA 
     (4.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Saghi Rokhshadfar is a primary care provider, practicing in Internal Medicine in Mission Viejo, California. Dr. Rokhshadfar is rated as an Experienced provider by MediFind in the treatment of Sinusitis. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Diabetic Nephropathy, Type 2 Diabetes (T2D), High Cholesterol, and Congenital Sucrase-Isomaltase Deficiency. Dr. Rokhshadfar is currently accepting new patients.

    Experienced in Sinusitis
    Family Medicine
    Experienced in Sinusitis
    Family Medicine

    Arnold Cuenca, MD

    Mission Viejo, CA 
     (4.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Arnold Cuenca is a primary care provider, practicing in Family Medicine in Mission Viejo, California. Dr. Cuenca is rated as an Experienced provider by MediFind in the treatment of Sinusitis. His clinical expertise encompasses Type 2 Diabetes (T2D), Osteomyelitis in Children, Tenosynovitis, and High Cholesterol.

    Showing 1-20 of 238

    Last Updated: 09/26/2026

    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 Rancho Santa Margarita, 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 Rancho Santa Margarita, 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 Rancho Santa Margarita, 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 Rancho Santa Margarita, 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 Rancho Santa Margarita, 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 Rancho Santa Margarita, 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 Rancho Santa Margarita, 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 

    Read more about our Content Policy. 

    More Sinusitis Doctors by city