The 20 Best Complement Component 2 Deficiency Doctors Near Me in Newport Beach, CA

Find the Top Complement Component 2 Deficiency Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 117 doctor with experience in Complement Component 2 Deficiency near Newport Beach, CA. Of these, 102 are Experienced, 11 are Advanced and 4 are Distinguished.

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117 providers found
    Distinguished in Complement Component 2 Deficiency
    Allergy and Immunology
    Distinguished in Complement Component 2 Deficiency
    Allergy and Immunology
    Referral may be required

    Uc San Diego Health-La Jolla

    8899 University Center Ln, 
    San Diego, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Marc Riedl is an Allergy and Immunologist practicing medicine in San Diego, California. Dr. Riedl is rated as a Distinguished provider by MediFind in the treatment of Complement Component 2 Deficiency. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Hereditary Angioedema, Angioedema, Hives, Asthma, and Hormone Replacement Therapy (HRT).

    Distinguished in Complement Component 2 Deficiency
    Internal Medicine
    Distinguished in Complement Component 2 Deficiency
    Internal Medicine

    Cedars-Sinai Medical Center

    8700 Beverly Blvd, 
    West Hollywood, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Neeka Shayan is a primary care provider, practicing in Internal Medicine in West Hollywood, California. Dr. Shayan is rated as a Distinguished provider by MediFind in the treatment of Complement Component 2 Deficiency. She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Complement Component 2 Deficiency, Hyperphenylalaninemia Due to Dehydratase Deficiency, Episcleritis, Bone Marrow Aspiration, and Endoscopy.

    Distinguished in Complement Component 2 Deficiency
    Internal Medicine
    Distinguished in Complement Component 2 Deficiency
    Internal Medicine

    Gregory A Robertson MD A Professional Medical Corp.

    20311 SW Acacia St Ste 100, 
    Newport Beach, CA 
    Experience:
    44+ years
    Languages Spoken:
    English
    Offers Telehealth

    Gregory Robertson is a primary care provider, practicing in Internal Medicine in Newport Beach, California. He has been practicing medicine for over 44 years. Dr. Robertson is rated as a Distinguished provider by MediFind in the treatment of Complement Component 2 Deficiency. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Thiopurine S-Methyltransferase Deficiency, Hyperphenylalaninemia Due to Dehydratase Deficiency, Complement Component 2 Deficiency, Primary Immunodeficiency (PID), and Gastrostomy.

    Learn about our expert tiers
    Distinguished in Complement Component 2 Deficiency
    Internal Medicine
    Distinguished in Complement Component 2 Deficiency
    Internal Medicine

    Allergy & Asthma Medical Group Of The Bay Area Inc

    370 N Wiget Ln Ste 210, 
    Walnut Creek, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Joshua Jacobs is a primary care provider, practicing in Internal Medicine in Walnut Creek, California. Dr. Jacobs is rated as a Distinguished provider by MediFind in the treatment of Complement Component 2 Deficiency. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Thiopurine S-Methyltransferase Deficiency, Properdin Deficiency, Complement Component 2 Deficiency, and Hereditary Angioedema.

    Advanced in Complement Component 2 Deficiency
    Internal Medicine
    Advanced in Complement Component 2 Deficiency
    Internal Medicine

    Chaparral Medical Group Inc.

    790 E Bonita Ave, 
    Pomona, CA 
    Languages Spoken:
    English
    Accepting New Patients

    Sapna Rasania is a primary care provider, practicing in Internal Medicine in Pomona, California. Dr. Rasania is rated as an Advanced provider by MediFind in the treatment of Complement Component 2 Deficiency. She is also highly rated in 20 other conditions, according to our data. Her clinical expertise encompasses Guanidinoacetate Methyltransferase Deficiency, Thiopurine S-Methyltransferase Deficiency, Hyperphenylalaninemia Due to Dehydratase Deficiency, and Hereditary Angioedema. Dr. Rasania is currently accepting new patients.

    Experienced in Complement Component 2 Deficiency
    Internal Medicine
    Experienced in Complement Component 2 Deficiency
    Internal Medicine

    County Of Kern

    1111 Columbus St, 
    Bakersfield, CA 
    Languages Spoken:
    English
    Accepting New Patients

    Alessandro Testori is a primary care provider, practicing in Internal Medicine in Bakersfield, California. Dr. Testori is rated as an Experienced provider by MediFind in the treatment of Complement Component 2 Deficiency. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Kaposi Sarcoma, Neural Crest Tumor, Breast Cancer, Lymphadenectomy, and Endoscopy. Dr. Testori is currently accepting new patients.

    Advanced in Complement Component 2 Deficiency
    Allergy and Immunology
    Advanced in Complement Component 2 Deficiency
    Allergy and Immunology
    Referral may be required

    Gottschalk Medical Plaza

    1 Medical Plaza Drive, 
    Irvine, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Donald Levy is an Allergy and Immunologist practicing medicine in Irvine, California. Dr. Levy is rated as an Advanced provider by MediFind in the treatment of Complement Component 2 Deficiency. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Hives, Angioedema, Hereditary Angioedema, and Grass Allergy. Dr. Levy is board certified in American Board Of Pediatrics - Pediatrics, American Board Of Allergy And Immunology - Allergy And Immunology, and American Board Of Allergy & Immunology. Dr. Levy is currently accepting new patients.

    Experienced in Complement Component 2 Deficiency
    Internal Medicine
    Experienced in Complement Component 2 Deficiency
    Internal Medicine

    UCSD Medical Offices South Pharmacy

    4168 Front St, 
    San Diego, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Katherine Nguyen is a primary care provider, practicing in Internal Medicine in San Diego, California. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Complement Component 2 Deficiency. She is also highly rated in 23 other conditions, according to our data. Her clinical expertise encompasses Sjogren Syndrome, Nodular Nonsuppurative Panniculitis, Chondrocalcinosis 2, and Calcium Pyrophosphate Arthritis. Dr. Nguyen is currently accepting new patients.

    Experienced in Complement Component 2 Deficiency
    Internal Medicine
    Experienced in Complement Component 2 Deficiency
    Internal Medicine

    Kidney Transplant At Walnut Creek

    1450 Treat Blvd, 
    Walnut Creek, CA 
    Languages Spoken:
    English, French, Russian
    Accepting New Patients
    Offers Telehealth

    Anna Khananian is a primary care provider, practicing in Internal Medicine in Walnut Creek, California. Dr. Khananian is rated as an Experienced provider by MediFind in the treatment of Complement Component 2 Deficiency. She is also highly rated in 36 other conditions, according to our data. Her clinical expertise encompasses Temporal Arteritis, Raynaud Phenomenon, Calcium Pyrophosphate Arthritis, and Acute Interstitial Pneumonia. Dr. Khananian is currently accepting new patients.

    Experienced in Complement Component 2 Deficiency
    Experienced in Complement Component 2 Deficiency

    Office

    5959 Greenback Ln Ste 500, 
    Citrus Heights, CA 
    Languages Spoken:
    English
    Accepting New Patients

    Sandra Sands-Solgi is a primary care provider, practicing in Family Medicine in Citrus Heights, California. Dr. Sands-Solgi is rated as an Experienced provider by MediFind in the treatment of Complement Component 2 Deficiency. She is also highly rated in 39 other conditions, according to our data. Her clinical expertise encompasses Obesity in Children, Type 2 Diabetes (T2D), Familial Hypertension, and Hypertension. Dr. Sands-Solgi is currently accepting new patients.

    Experienced in Complement Component 2 Deficiency
    Internal Medicine
    Experienced in Complement Component 2 Deficiency
    Internal Medicine

    Optum - Redlands Fern Cajon

    Redlands, CA 
    Languages Spoken:
    English
    Accepting New Patients

    Regan Douty is a primary care provider, practicing in Internal Medicine in Redlands, California. Dr. Douty is rated as an Experienced provider by MediFind in the treatment of Complement Component 2 Deficiency. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and Folate Deficiency. Dr. Douty is currently accepting new patients.

    Experienced in Complement Component 2 Deficiency
    Family Medicine
    Experienced in Complement Component 2 Deficiency
    Family Medicine

    Community Medical Center Channel

    701 E Channel St, 
    Stockton, CA 
    Languages Spoken:
    English
    Accepting New Patients

    Juan Lopez-Solorza is a primary care provider, practicing in Family Medicine in Stockton, California. Dr. Lopez-Solorza is rated as an Experienced provider by MediFind in the treatment of Complement Component 2 Deficiency. He is also highly rated in 31 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Low Blood Pressure, and Hypertension. Dr. Lopez-Solorza is currently accepting new patients.

    Experienced in Complement Component 2 Deficiency
    Family Medicine
    Experienced in Complement Component 2 Deficiency
    Family Medicine

    Visalia Medical Clinic Inc.

    5400 W Hillsdale Ave, 
    Visalia, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Robert Allen is a primary care provider, practicing in Family Medicine in Visalia, California. Dr. Allen is rated as an Experienced provider by MediFind in the treatment of Complement Component 2 Deficiency. He is also highly rated in 233 other conditions, according to our data. His clinical expertise encompasses Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Type 2 Diabetes (T2D). Dr. Allen is currently accepting new patients.

    Experienced in Complement Component 2 Deficiency
    Family Medicine
    Experienced in Complement Component 2 Deficiency
    Family Medicine

    Advanced Dermatology & Skin Cancer Specialists

    31720 Temecula Pkwy Ste 203, 
    Temecula, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Curtiss Combs is a primary care provider, practicing in Family Medicine in Temecula, California. Dr. Combs is rated as an Experienced provider by MediFind in the treatment of Complement Component 2 Deficiency. He is also highly rated in 59 other conditions, according to our data. His clinical expertise encompasses Osteomyelitis in Children, High Cholesterol, Type 2 Diabetes (T2D), and Familial Hypertriglyceridemia. Dr. Combs is currently accepting new patients.

    Advanced in Complement Component 2 Deficiency
    Allergy and Immunology
    Advanced in Complement Component 2 Deficiency
    Allergy and Immunology
    Referral may be required

    Shams Iqbal Md, Inc.

    24671 Monroe Ave, 
    Murrieta, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Shams Iqbal is an Allergy and Immunologist practicing medicine in Murrieta, California. Dr. Iqbal is rated as an Advanced provider by MediFind in the treatment of Complement Component 2 Deficiency. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Angioedema, Grass Allergy, Hives, and Allergic Rhinitis. Dr. Iqbal is board certified in American Board Of Allergy And Immunology.

    Advanced in Complement Component 2 Deficiency
    Allergy and Immunology
    Advanced in Complement Component 2 Deficiency
    Allergy and Immunology
    Referral may be required

    Office

    206 N Santa Fe St, 
    Visalia,, CA 
    Languages Spoken:
    English, Spanish

    Richard Demera is an Allergy and Immunologist practicing medicine in Visalia,, California. Dr. Demera is rated as an Advanced provider by MediFind in the treatment of Complement Component 2 Deficiency. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Hives, Vibratory Urticaria, Chronic Spontaneous Urticaria (CSU), and Angioedema.

    Advanced in Complement Component 2 Deficiency
    Allergy and Immunology
    Advanced in Complement Component 2 Deficiency
    Allergy and Immunology
    Referral may be required

    Kern Allergy Medical Clinic Inc

    1921 18th St, 
    Bakersfield, CA 
    Languages Spoken:
    English
    Accepting New Patients

    Tonny Tanus is an Allergy and Immunologist practicing medicine in Bakersfield, California. Dr. Tanus is rated as an Advanced provider by MediFind in the treatment of Complement Component 2 Deficiency. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Grass Allergy, Sinusitis, Allergic Rhinitis, and Hives. Dr. Tanus is board certified in Allergy & Immunology and Internal Medicine. Dr. Tanus is currently accepting new patients.

    Advanced in Complement Component 2 Deficiency
    Allergy and Immunology
    Advanced in Complement Component 2 Deficiency
    Allergy and Immunology
    Referral may be required

    Foothill Allergy Asthma And Immunology

    622 W Duarte Rd, 
    Arcadia, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Sheila Bonilla is an Allergy and Immunologist practicing medicine in Arcadia, California. Dr. Bonilla is rated as an Advanced provider by MediFind in the treatment of Complement Component 2 Deficiency. She is also highly rated in 15 other conditions, according to our data. Her clinical expertise encompasses Vibratory Urticaria, Chronic Spontaneous Urticaria (CSU), Sinusitis, and Grass Allergy. Dr. Bonilla is board certified in American Board Of Internal Medicine.

    Advanced in Complement Component 2 Deficiency
    Internal Medicine
    Advanced in Complement Component 2 Deficiency
    Internal Medicine

    Cedars-Sinai Marina Del Rey Hospital

    4650 Lincoln Blvd, 
    Marina Del Rey, CA 
    Languages Spoken:
    English

    Shemi Jalil is a primary care provider, practicing in Internal Medicine in Marina Del Rey, California. Dr. Jalil is rated as an Advanced provider by MediFind in the treatment of Complement Component 2 Deficiency. She is also highly rated in 9 other conditions, according to our data. Her clinical expertise encompasses Episcleritis, Sickle Cell Disease, Guanidinoacetate Methyltransferase Deficiency, Hereditary Angioedema, and Endoscopy.

    Advanced in Complement Component 2 Deficiency
    Internal Medicine
    Advanced in Complement Component 2 Deficiency
    Internal Medicine

    UC San Diego

    200 W Arbor Dr, 
    San Diego,, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Bruce Zuraw is a primary care provider, practicing in Internal Medicine in San Diego,, California. Dr. Zuraw is rated as an Advanced provider by MediFind in the treatment of Complement Component 2 Deficiency. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Angioedema, Hereditary Angioedema, Hives, Asthma, and Hormone Replacement Therapy (HRT).

    Showing 1-20 of 117

    Last Updated: 09/26/2026

    What is the definition of Complement Component 2 Deficiency?

    Complement component 2 deficiency is a disorder that causes the immune system to malfunction, resulting in a form of immunodeficiency. Immunodeficiencies are conditions in which the immune system is not able to protect the body effectively from foreign invaders such as bacteria and viruses. People with complement component 2 deficiency have a significantly increased risk of recurrent bacterial infections, specifically of the lungs (pneumonia), the membrane covering the brain and spinal cord (meningitis), and the blood (sepsis), which may be life-threatening. These infections most commonly occur in infancy and childhood and become less frequent in adolescence and adulthood.

    When should I see a Complement Component 2 Deficiency doctor near Newport Beach, 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 Complement Component 2 Deficiency doctor near Newport Beach, 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 Complement Component 2 Deficiency doctors near Newport Beach, 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 Complement Component 2 Deficiency doctors near Newport Beach, 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 Complement Component 2 Deficiency doctor near Newport Beach, 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 Complement Component 2 Deficiency doctor search results page. 

    Why is it important to get a second opinion from a different Complement Component 2 Deficiency 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 Complement Component 2 Deficiency doctor near Newport Beach, 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 Complement Component 2 Deficiency 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 Complement Component 2 Deficiency 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 Complement Component 2 Deficiency doctors near Newport Beach, CA?

    Look for the filter feature on the left side of the Complement Component 2 Deficiency 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 Complement Component 2 Deficiency doctor that offers video calls?

    Look for the filter feature on the left-side of the Complement Component 2 Deficiency 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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