The 20 Best Primary Immunodeficiency (PID) Doctors Near Me in orange, CA

Find the Top Primary Immunodeficiency (PID) Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 115 doctor with experience in Primary Immunodeficiency (PID) near orange, CA. Of these, 99 are Experienced, 14 are Advanced, 1 are Distinguished and 1 are Elite.

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115 providers found
    Elite in Primary Immunodeficiency (PID)
    Allergy and Immunology
    Elite in Primary Immunodeficiency (PID)
    Allergy and Immunology
    Referral may be required

    Gottschalk Medical Plaza

    1 Medical Plaza Drive, 
    Irvine, CA 
     (9.7 miles away)
    Languages Spoken:
    English, Hindi
    Offers Telehealth

    Sudhir Gupta is an Allergy and Immunologist practicing medicine in Irvine, California. Dr. Gupta is rated as an Elite provider by MediFind in the treatment of Primary Immunodeficiency (PID). He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Primary Immunodeficiency (PID), Common Variable Immune Deficiency, X-Linked Agammaglobulinemia, and Immunodeficiency with Hyper IgM Type 1. Dr. Gupta is board certified in American Board Of Allergy And Immunology - Allergy And Immunology.

    Experienced in Primary Immunodeficiency (PID)
    Hematology | Oncology
    Experienced in Primary Immunodeficiency (PID)
    Hematology | Oncology
    Referral may be required

    UCI Health - Irvine Chao Family Comprehensive Cancer Center & Ambulatory Care

    19208 Jamboree Road, 
    Irvine, CA 
     (9.1 miles away)
    Languages Spoken:
    English, Farsi
    Offers Telehealth

    Misagh Karimi is a Hematologist and an Oncologist practicing medicine in Irvine, California. Dr. Karimi is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). He is also highly rated in 27 other conditions, according to our data. His clinical expertise encompasses Breast Cancer, Familial Colorectal Cancer, Colorectal Cancer, and Paget Disease of the Breast. Dr. Karimi is board certified in American Board Of Internal Medicine - Hematology and American Board Of Internal Medicine - Medical Oncology.

    Advanced in Primary Immunodeficiency (PID)
    Allergy and Immunology
    Advanced in Primary Immunodeficiency (PID)
    Allergy and Immunology
    Referral may be required

    UC Irvine Medical Center

    101 The City Drive South, Building 30, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English, Turkish
    Offers Telehealth

    Yesim Demirdag is an Allergy and Immunologist practicing medicine in Orange, California. Dr. Demirdag is rated as an Advanced provider by MediFind in the treatment of Primary Immunodeficiency (PID). She is also highly rated in 12 other conditions, according to our data. Her clinical expertise encompasses Nonallergic Rhinopathy, Ozena, Primary Immunodeficiency (PID), and X-Linked Severe Combined Immunodeficiency. Dr. Demirdag is board certified in American Board Of Allergy And Immunology - Allergy And Immunology.

    Learn about our expert tiers
    Experienced in Primary Immunodeficiency (PID)
    Allergy and Immunology
    Experienced in Primary Immunodeficiency (PID)
    Allergy and Immunology
    Referral may be required

    Allergy Partners Of California

    1140 W La Veta Ave, 
    Orange, CA 
     (0.8 miles away)
    Experience:
    44+ years
    Languages Spoken:
    English
    Accepting New Patients

    Chao-i Lin is an Allergy and Immunologist practicing medicine in Orange, California. He has been practicing medicine for over 44 years. Dr. Lin is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Hives, Allergic Rhinitis, Sinusitis, and Grass Allergy. Dr. Lin is board certified in American Board Of Allergy & Immunology. Dr. Lin is currently accepting new patients.

    Experienced in Primary Immunodeficiency (PID)
    Allergy and Immunology
    Experienced in Primary Immunodeficiency (PID)
    Allergy and Immunology
    Referral may be required
    1140 West La Veta Avenue, Suite 850, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    William Harris is an Allergy and Immunologist practicing medicine in Orange, California. Dr. Harris is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Hives, Sinusitis, Grass Allergy, and Allergic Rhinitis. Dr. Harris is board certified in American Board Of Allergy & Immunology. Dr. Harris is currently accepting new patients.

    Advanced in Primary Immunodeficiency (PID)
    Internal Medicine
    Advanced in Primary Immunodeficiency (PID)
    Internal Medicine
    1010 West La Veta Avenue, Suite 610, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Ata Rahbar is a primary care provider, practicing in Internal Medicine in Orange, California. Dr. Rahbar is rated as an Advanced provider by MediFind in the treatment of Primary Immunodeficiency (PID). He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Apparent Mineralocorticoid Excess, Hyperaldosteronism, Familial Hyperaldosteronism, Gastrostomy, and Bone Marrow Aspiration. Dr. Rahbar is currently accepting new patients.

    Experienced in Primary Immunodeficiency (PID)
    Hematology | Oncology
    Experienced in Primary Immunodeficiency (PID)
    Hematology | Oncology
    Referral may be required

    UCI Health Chao Family Comprehensive Cancer Center

    101 The City Drive South, Building 23, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English, French, Romanian
    Offers Telehealth

    Stefan Ciurea is a Hematologist and an Oncologist practicing medicine in Orange, California. Dr. Ciurea is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). He is also highly rated in 22 other conditions, according to our data. His clinical expertise encompasses Acute Myeloid Leukemia (AML), Graft Versus Host Disease (GvHD), Leukemia, Bone Marrow Transplant, and Bone Marrow Aspiration. Dr. Ciurea is board certified in American Board Of Internal Medicine - Hematology.

    Experienced in Primary Immunodeficiency (PID)
    Hematology | Oncology
    Experienced in Primary Immunodeficiency (PID)
    Hematology | Oncology
    Referral may be required

    UCI Health Chao Family Comprehensive Cancer Center

    101 The City Drive South, Building 23, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Piyanuch Kongtim is a Hematologist and an Oncologist practicing medicine in Orange, California. Dr. Kongtim is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Leukemia, Acute Myeloid Leukemia (AML), Graft Versus Host Disease (GvHD), Bone Marrow Transplant, and Bone Graft.

    Experienced in Primary Immunodeficiency (PID)
    Hematology | Oncology
    Experienced in Primary Immunodeficiency (PID)
    Hematology | Oncology
    Referral may be required

    UCI Health Chao Family Comprehensive Cancer Center

    101 The City Drive South, Building 23, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Sandy Liu is a Hematologist and an Oncologist practicing medicine in Orange, California. Dr. Liu is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). She is also highly rated in 14 other conditions, according to our data. Her clinical expertise encompasses Prostate Cancer, Renal Cell Carcinoma (RCC), Familial Prostate Cancer, and Muscle Invasive Bladder Cancer. Dr. Liu is board certified in American Board Of Internal Medicine - Hematology and American Board Of Internal Medicine - Medical Oncology.

    Experienced in Primary Immunodeficiency (PID)
    Hematology | Oncology
    Experienced in Primary Immunodeficiency (PID)
    Hematology | Oncology
    Referral may be required

    UCI Health Chao Family Comprehensive Cancer Center

    101 The City Drive South, Building 23, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Catherine Coombs is a Hematologist and an Oncologist practicing medicine in Orange, California. Dr. Coombs is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). She is also highly rated in 14 other conditions, according to our data. Her clinical expertise encompasses Chronic Lymphocytic Leukemia (CLL), Chronic B-Cell Leukemia (CBCL), Leukemia, Bone Marrow Aspiration, and Bone Marrow Transplant. Dr. Coombs is board certified in American Board Of Internal Medicine - Hematology and American Board Of Internal Medicine - Medical Oncology.

    Experienced in Primary Immunodeficiency (PID)
    Hematology | Oncology
    Experienced in Primary Immunodeficiency (PID)
    Hematology | Oncology
    Referral may be required

    UCI Health Chao Family Comprehensive Cancer Center

    101 The City Drive South, Building 23, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Elizabeth Brem is a Hematologist and an Oncologist practicing medicine in Orange, California. Dr. Brem is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). She is also highly rated in 22 other conditions, according to our data. Her clinical expertise encompasses Non-Hodgkin Lymphoma, Diffuse Large B-Cell Lymphoma (DLBCL), Large-Cell Immunoblastic Lymphoma, Bone Marrow Aspiration, and Bone Marrow Transplant. Dr. Brem is board certified in American Board Of Internal Medicine - Hematology, American Board Of Internal Medicine - Medical Oncology, and American Board Of Internal Medicine - Internal Medicine.

    Experienced in Primary Immunodeficiency (PID)
    Hematology | Oncology
    Experienced in Primary Immunodeficiency (PID)
    Hematology | Oncology
    Referral may be required

    UCI Health Chao Family Comprehensive Cancer Center

    101 The City Drive South, Building 23, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Kiran Naqvi is a Hematologist and an Oncologist practicing medicine in Orange, California. Dr. Naqvi is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). She is also highly rated in 14 other conditions, according to our data. Her clinical expertise encompasses Acute Myeloid Leukemia (AML), Chronic Myelogenous Leukemia (CML), Myelodysplastic Syndrome (MDS), Leukemia, and Bone Marrow Aspiration. Dr. Naqvi is board certified in American Board Of Internal Medicine - Hematology, American Board Of Internal Medicine - Medical Oncology, and American Board Of Internal Medicine - Internal Medicine.

    Experienced in Primary Immunodeficiency (PID)
    Pediatrics | Internal Medicine
    Experienced in Primary Immunodeficiency (PID)
    Pediatrics | Internal Medicine
    Referral may be required

    UC Irvine Medical Center - Primary Care & Internal Medicine

    101 The City Drive South, Building 29, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English, Spanish
    Offers Telehealth

    Emilie Chow is a primary care provider, practicing in Pediatrics and Internal Medicine in Orange, California. Dr. Chow is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). She is also highly rated in 17 other conditions, according to our data. Her clinical expertise encompasses Pudendal Neuralgia, Wallerian Degeneration, Giant Axonal Neuropathy, and Femoral Nerve Dysfunction. Dr. Chow is board certified in American Board Of Pediatrics - Pediatrics, American Board Of Preventive Medicine - Clinical Informatics, and American Board Of Internal Medicine - Internal Medicine.

    Experienced in Primary Immunodeficiency (PID)
    Internal Medicine
    Experienced in Primary Immunodeficiency (PID)
    Internal Medicine

    UC Irvine Medical Center - Primary Care & Internal Medicine

    101 The City Drive South, Building 29, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English, Farsi
    Offers Telehealth

    Maryam Rahimi is a primary care provider, practicing in Internal Medicine in Orange, California. Dr. Rahimi is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). She is also highly rated in 18 other conditions, according to our data. Her clinical expertise encompasses AIDS Dysmorphic Syndrome, AIDS Dementia Complex, HIV/AIDS, and Shingles. Dr. Rahimi is board certified in American Board Of Internal Medicine - Internal Medicine.

    Experienced in Primary Immunodeficiency (PID)
    Family Medicine
    Experienced in Primary Immunodeficiency (PID)
    Family Medicine

    Regenerative Medical Group Inc.

    615 E Chapman Ave, 
    Orange, CA 
     (0.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Bryn Henderson is a primary care provider, practicing in Family Medicine in Orange, California. Dr. Henderson is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Thrombophlebitis, Dehydration, Vitamin D Deficiency, and Shingles.

    Experienced in Primary Immunodeficiency (PID)
    Family Medicine
    Experienced in Primary Immunodeficiency (PID)
    Family Medicine

    Pavilion Family Physicians

    1140 W La Veta Ave, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English

    Catherine Garcia is a primary care provider, practicing in Family Medicine in Orange, California. Dr. Garcia is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Type 2 Diabetes (T2D), Osteomyelitis in Children, High Cholesterol, and Familial Hypertriglyceridemia. Dr. Garcia is board certified in American Board Of Family Medicine.

    Experienced in Primary Immunodeficiency (PID)
    Hematology | Oncology
    Experienced in Primary Immunodeficiency (PID)
    Hematology | Oncology
    Referral may be required

    CHOC Children's Hospital

    1201 W La Veta Ave, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English

    Loan Hsieh is a Hematologist and an Oncologist practicing medicine in Orange, California. Dr. Hsieh is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). She is also highly rated in 21 other conditions, according to our data. Her clinical expertise encompasses Hereditary Spherocytosis, Immune Thrombocytopenic Purpura (ITP), Thrombocytopenia, Thalassemia, and Splenectomy.

    Experienced in Primary Immunodeficiency (PID)
    Hematology | Oncology
    Experienced in Primary Immunodeficiency (PID)
    Hematology | Oncology
    Referral may be required

    CHOC Children's Hospital

    1201 W La Veta Ave, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English

    Victor Wang is a Hematologist and an Oncologist practicing medicine in Orange, California. Dr. Wang is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Hereditary Spherocytosis, Thalassemia, Febrile Neutropenia, and Ataxia-Pancytopenia Syndrome.

    Experienced in Primary Immunodeficiency (PID)
    Hematology | Oncology
    Experienced in Primary Immunodeficiency (PID)
    Hematology | Oncology
    Referral may be required

    CHOC Children's Hospital

    1201 W La Veta Ave, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English

    Arash Mahajerin is a Hematologist and an Oncologist practicing medicine in Orange, California. Dr. Mahajerin is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Venous Thromboembolism (VTE), Mesenteric Venous Thrombosis, Blood Clots, and Thrombocytopenia.

    Experienced in Primary Immunodeficiency (PID)
    Allergy and Immunology
    Experienced in Primary Immunodeficiency (PID)
    Allergy and Immunology
    Referral may be required
    1140 West La Veta Avenue, Suite 850, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Ye Jung is an Allergy and Immunologist practicing medicine in Orange, California. Dr. Jung is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Grass Allergy, Allergic Rhinitis, Ozena, and Nonallergic Rhinopathy. Dr. Jung is currently accepting new patients.

    Showing 1-20 of 115

    Last Updated: 09/26/2026

    When should I see a Primary Immunodeficiency (PID) doctor near orange, 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 Primary Immunodeficiency (PID) doctor near orange, 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 Primary Immunodeficiency (PID) doctors near orange, 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 Primary Immunodeficiency (PID) doctors near orange, 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 Primary Immunodeficiency (PID) doctor near orange, 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 Primary Immunodeficiency (PID) doctor search results page. 

    Why is it important to get a second opinion from a different Primary Immunodeficiency (PID) 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 Primary Immunodeficiency (PID) doctor near orange, 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 Primary Immunodeficiency (PID) 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 Primary Immunodeficiency (PID) 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 Primary Immunodeficiency (PID) doctors near orange, CA?

    Look for the filter feature on the left side of the Primary Immunodeficiency (PID) 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 Primary Immunodeficiency (PID) doctor that offers video calls?

    Look for the filter feature on the left-side of the Primary Immunodeficiency (PID) 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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