Filters

Specialty
Additional Specialty
Distance
    Gender
    Insurance
    Availability
    Language
    Years of Experience
    Level of Expertise

    Last Updated: 01/09/2026

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

    MediFind found 90 doctor with experience in Complement Component 2 Deficiency near California, US. Of these, 77 are Experienced, 9 are Advanced and 4 are Distinguished.

    Location
    LocationClose
    90 providers found
      Distinguished in Complement Component 2 Deficiency
      Allergy and Immunology
      Distinguished in Complement Component 2 Deficiency
      Allergy and Immunology

      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 in San Diego, California. Dr. Riedl is rated as a Distinguished provider by MediFind in the treatment of Complement Component 2 Deficiency. His top areas of expertise are Hereditary Angioedema, Angioedema, Hives, Hyperphenylalaninemia Due to Dehydratase Deficiency, and Hormone Replacement Therapy (HRT).

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

      Southern California Permanente Medical Group

      5475 E La Palma Ave, 
      Anaheim, CA 
      Languages Spoken:
      English

      Neeka Shayan is a primary care provider, practicing in Internal Medicine in Anaheim, California. Dr. Shayan is rated as a Distinguished provider by MediFind in the treatment of Complement Component 2 Deficiency. Her top areas of expertise are Hyperphenylalaninemia Due to Dehydratase Deficiency, Complement Component 2 Deficiency, Episcleritis, Bone Marrow Aspiration, and Endoscopy.

      Distinguished in Complement Component 2 Deficiency
      Internal Medicine
      Distinguished in Complement Component 2 Deficiency
      Internal Medicine
      20311 Sw Acacia St, Suite 140, 
      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. Dr. Robertson has been practicing medicine for over 44 years and is rated as a Distinguished provider by MediFind in the treatment of Complement Component 2 Deficiency. His top areas of expertise are Complement Component 2 Deficiency, Hyperphenylalaninemia Due to Dehydratase Deficiency, Thiopurine S-Methyltransferase 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 an Internal Medicine provider in Walnut Creek, California. Dr. Jacobs is rated as a Distinguished provider by MediFind in the treatment of Complement Component 2 Deficiency. His top areas of expertise are Hereditary Angioedema, Angioedema, Hives, and Complement Component 2 Deficiency.

      William Harris
      Experienced in Complement Component 2 Deficiency
      Allergy and Immunology
      Experienced in Complement Component 2 Deficiency
      Allergy and Immunology

      Allergy Partners Of Orange County - Fullerton

      1440 N Harbor Blvd, 
      Fullerton, CA 
      Languages Spoken:
      English

      William Harris is an Allergy and Immunologist in Fullerton, California. Dr. Harris is rated as an Experienced provider by MediFind in the treatment of Complement Component 2 Deficiency. His top areas of expertise are Hives, Sinusitis, Grass Allergy, and Allergic Rhinitis.

      Advanced in Complement Component 2 Deficiency
      Allergy and Immunology
      Advanced in Complement Component 2 Deficiency
      Allergy and Immunology

      Office

      3600 Lime St Ste 516, 
      Riverside, CA 
      Languages Spoken:
      English
      Offers Telehealth

      Shams Iqbal is an Allergy and Immunologist in Riverside, California. Dr. Iqbal is rated as an Advanced provider by MediFind in the treatment of Complement Component 2 Deficiency. His top areas of expertise are Angioedema, Grass Allergy, Hives, and Allergic Rhinitis.

      Advanced in Complement Component 2 Deficiency
      Allergy and Immunology
      Advanced in Complement Component 2 Deficiency
      Allergy and Immunology

      Richard S. Demera M.D. Inc.

      540 E Herndon Ave Ste 101, 
      Fresno, CA 
      Languages Spoken:
      English

      Richard Demera is an Allergy and Immunologist in Fresno, California. Dr. Demera is rated as an Advanced provider by MediFind in the treatment of Complement Component 2 Deficiency. His top areas of expertise are Hives, Vibratory Urticaria, Chronic Spontaneous Urticaria (CSU), and Angioedema.

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

      Uc San Diego Health La Jolla-Allergy & Immunology-Angioedema

      8899 University Center Ln Ste 230, 
      San Diego, CA 
      Languages Spoken:
      English

      Bruce Zuraw is an Internal Medicine provider in San Diego, California. Dr. Zuraw is rated as an Advanced provider by MediFind in the treatment of Complement Component 2 Deficiency. His top areas of expertise are Angioedema, Hereditary Angioedema, Hives, Asthma, and Hormone Replacement Therapy (HRT).

      Advanced in Complement Component 2 Deficiency
      Allergy and Immunology
      Advanced in Complement Component 2 Deficiency
      Allergy and Immunology

      Office

      1921 18th St, 
      Bakersfield, CA 
      Languages Spoken:
      English

      Tonny Tanus is an Allergy and Immunologist in Bakersfield, California. Dr. Tanus is rated as an Advanced provider by MediFind in the treatment of Complement Component 2 Deficiency. His top areas of expertise are Grass Allergy, Sinusitis, Allergic Rhinitis, and Hives.

      Advanced in Complement Component 2 Deficiency
      Allergy and Immunology
      Advanced in Complement Component 2 Deficiency
      Allergy and Immunology
      705 West La Veta Avenue, Suite 101, 
      Orange, CA 
      Languages Spoken:
      English
      Accepting New Patients

      Donald Levy is an Allergy and Immunologist in Orange, California. Dr. Levy is rated as an Advanced provider by MediFind in the treatment of Complement Component 2 Deficiency. His top areas of expertise are Hives, Angioedema, Hereditary Angioedema, and Grass Allergy. Dr. Levy is currently accepting new patients.

      Advanced in Complement Component 2 Deficiency
      Allergy and Immunology
      Advanced in Complement Component 2 Deficiency
      Allergy and Immunology

      Sheila M. Bonilla MD Inc.

      622 W Duarte Rd Ste 108, 
      Arcadia, CA 
      Languages Spoken:
      English

      Sheila Bonilla is an Allergy and Immunologist in Arcadia, California. Dr. Bonilla is rated as an Advanced provider by MediFind in the treatment of Complement Component 2 Deficiency. Her top areas of expertise are Vibratory Urticaria, Chronic Spontaneous Urticaria (CSU), Sinusitis, and Grass Allergy.

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

      Office

      8105 Morro Rd Ste D, 
      Atascadero, CA 
      Languages Spoken:
      English

      Janet Mclennan is an Internal Medicine provider in Atascadero, California. Dr. Mclennan is rated as an Advanced provider by MediFind in the treatment of Complement Component 2 Deficiency. Her top areas of expertise are Grass Allergy, Allergic Rhinitis, Sinusitis, and Hives.

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

      Memorialcare Medical Foundation

      24411 Health Ctr Dr, Suite 680, 
      Laguna Hills, CA 
      Languages Spoken:
      English

      Kimberly Motta is a primary care provider, practicing in Internal Medicine in Laguna Hills, California. Dr. Motta is rated as an Advanced provider by MediFind in the treatment of Complement Component 2 Deficiency. Her top areas of expertise are Thiopurine S-Methyltransferase Deficiency, Hyperphenylalaninemia Due to Dehydratase Deficiency, Hereditary Angioedema, Gastrostomy, and Hip Replacement.

      Advanced in Complement Component 2 Deficiency
      Family Medicine
      Advanced in Complement Component 2 Deficiency
      Family Medicine
      2575 E Bidwell St Ste 100, 
      Folsom, CA 
      Languages Spoken:
      English

      Ingrid Grove is a primary care provider, practicing in Family Medicine in Folsom, California. Dr. Grove is rated as an Advanced provider by MediFind in the treatment of Complement Component 2 Deficiency. Her top areas of expertise are Hereditary Angioedema, Guanidinoacetate Methyltransferase Deficiency, Glutamate Decarboxylase Deficiency, and Thiopurine S-Methyltransferase Deficiency.

      Dean T. Chiang
      Experienced in Complement Component 2 Deficiency
      Allergy and Immunology
      Experienced in Complement Component 2 Deficiency
      Allergy and Immunology

      North Main Street Care Center

      3035 North Main Street, 
      Soquel, CA 
      Languages Spoken:
      English
      Offers Telehealth

      Dean Chiang is an Allergy and Immunologist in Soquel, California. Dr. Chiang is rated as an Experienced provider by MediFind in the treatment of Complement Component 2 Deficiency. His top areas of expertise are Sinusitis, Allergic Rhinitis, Grass Allergy, and Hives.

      Bradley E. Chipps
      Experienced in Complement Component 2 Deficiency
      Allergy and Immunology
      Experienced in Complement Component 2 Deficiency
      Allergy and Immunology
      5609 J St., Suite C, 
      Sacramento, CA 
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Bradley Chipps is an Allergy and Immunologist in Sacramento, California. Dr. Chipps is rated as an Experienced provider by MediFind in the treatment of Complement Component 2 Deficiency. His top areas of expertise are Asthma, Allergic Rhinitis, Eosinophilic Asthma, and Sinusitis. Dr. Chipps is currently accepting new patients.

      Daniel More
      Experienced in Complement Component 2 Deficiency
      Allergy and Immunology
      Experienced in Complement Component 2 Deficiency
      Allergy and Immunology

      Allergy Partners Of California Inc.

      1551 Bishop St Ste 220, 
      San Luis Obispo, CA 
      Languages Spoken:
      English
      Offers Telehealth

      Daniel More is an Allergy and Immunologist in San Luis Obispo, California. Dr. More is rated as an Experienced provider by MediFind in the treatment of Complement Component 2 Deficiency. His top areas of expertise are Sinusitis, Allergic Conjunctivitis, Allergic Rhinitis, and Conjunctivitis (Pink Eye).

      Alessandro E. Testori
      Experienced in Complement Component 2 Deficiency
      Internal Medicine
      Experienced in Complement Component 2 Deficiency
      Internal Medicine

      Kern County Hospital Authority

      1111 Columbus St, 
      Bakersfield, CA 
      Languages Spoken:
      English

      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. His top areas of expertise are Kaposi Sarcoma, Breast Cancer, Neuroblastoma, Lymphadenectomy, and Endoscopy.

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

      Internal Medicine And Wellness Therapies Medical Office Inc.

      6815 Fair Oaks Blvd, 
      Carmichael, CA 
      Languages Spoken:
      English
      Offers Telehealth

      Kathrine Bisharat is a primary care provider, practicing in Internal Medicine in Carmichael, California. Dr. Bisharat is rated as an Experienced provider by MediFind in the treatment of Complement Component 2 Deficiency. Her top areas of expertise are Degos Disease, Methylmalonic Acidemia with Homocystinuria, Homocystinuria, and Inborn Amino Acid Metabolism Disorder.

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

      Mypreop Medical Group Inc

      16945 Mount Eden St, 
      Fountain Valley, CA 
      Languages Spoken:
      English
      Offers Telehealth

      Shamim Shakibai is a primary care provider, practicing in Internal Medicine in Fountain Valley, California. Dr. Shakibai is rated as an Experienced provider by MediFind in the treatment of Complement Component 2 Deficiency. His top areas of expertise are Neurotoxicity Syndromes, Sepsis, Chronic Erosive Gastritis, Gastrostomy, and Endoscopy.

      Showing 1-20 of 90

      Last Updated: 01/09/2026

      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 in California, US?

      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 in California, US?

      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 in California, US?

      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 in California, US?

      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 in California, US?

      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 in California, US?

      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 in California, US?

      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 

      Read more about our Content Policy

      More Complement Component 2 Deficiency Doctors by city