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

Find the Top Primary Immunodeficiency (PID) Experts and Specialists

The 20 Best Primary Immunodeficiency (PID) Doctors near Orange, CA

Last Updated: 02/22/2026

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MediFind found 94 doctor with experience in Primary Immunodeficiency (PID) near Orange, CA. Of these, 84 are Experienced, 8 are Advanced, 1 are Distinguished and 1 are Elite.

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94 providers found
    Elite in Primary Immunodeficiency (PID)
    Dermatology
    Elite in Primary Immunodeficiency (PID)
    Dermatology

    Gottschalk Medical Plaza-Dermatology

    1 Medical Plz Dr, 
    Irvine, CA 
     (9.7 miles away)
    Languages Spoken:
    English

    Sudhir Gupta is a Dermatologist in Irvine, California. Dr. Gupta is rated as an Elite provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Primary Immunodeficiency (PID), Common Variable Immune Deficiency, X-Linked Agammaglobulinemia, and Immunodeficiency with Hyper IgM Type 1.

    Advanced in Primary Immunodeficiency (PID)
    Pediatric Allergy and Immunology
    Advanced in Primary Immunodeficiency (PID)
    Pediatric Allergy and Immunology
    725 West La Veta Avenue, Suite 100, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Wan-yin Chan is a Pediatric Allergy and Immunologist in Orange, California. Dr. Chan is rated as an Advanced provider by MediFind in the treatment of Primary Immunodeficiency (PID). Her top areas of expertise are DiGeorge Syndrome, Allergic Rhinitis, Sinusitis, and Hives. Dr. Chan is currently accepting new patients.

    Experienced in Primary Immunodeficiency (PID)
    Allergy and Immunology
    Experienced in Primary Immunodeficiency (PID)
    Allergy and Immunology
    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 in Orange, California. Dr. Jung is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). Her top areas of expertise are Grass Allergy, Allergic Rhinitis, Nonallergic Rhinopathy, and Ozena. Dr. Jung is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Primary Immunodeficiency (PID)
    Hematology Oncology
    Experienced in Primary Immunodeficiency (PID)
    Hematology Oncology
    1010 West La Veta Avenue, Suite 200, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Tariq Mahmood is a Hematologist Oncology provider in Orange, California. Dr. Mahmood is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Breast Cancer, Paget Disease of the Breast, Familial Colorectal Cancer, and Angiosarcoma. Dr. Mahmood is currently accepting new patients.

    Experienced in Primary Immunodeficiency (PID)
    Pediatric Allergy and Immunology
    Experienced in Primary Immunodeficiency (PID)
    Pediatric Allergy and Immunology
    725 West La Veta Avenue, Suite 100, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Mark Ellis is a Pediatric Allergy and Immunologist in Orange, California. Dr. Ellis is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Allergic Rhinitis, Allergic Conjunctivitis, Conjunctivitis (Pink Eye), and Sinusitis. Dr. Ellis is currently accepting new patients.

    Experienced in Primary Immunodeficiency (PID)
    Pediatric Allergy and Immunology
    Experienced in Primary Immunodeficiency (PID)
    Pediatric Allergy and Immunology
    725 West La Veta Avenue, Suite 100, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Sarah Field is a Pediatric Allergy and Immunologist in Orange, California. Dr. Field is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). Her top areas of expertise are Chronic Spontaneous Urticaria (CSU), Vibratory Urticaria, Eosinophilic Esophagitis, and Allergic Rhinitis. Dr. Field is currently accepting new patients.

    Experienced in Primary Immunodeficiency (PID)
    Allergy and Immunology
    Experienced in Primary Immunodeficiency (PID)
    Allergy and Immunology
    725 West La Veta Avenue, Suite 100, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Diem-tran Nguyen is an Allergy and Immunologist in Orange, California. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). Her top areas of expertise are Nonallergic Rhinopathy, Ozena, Hives, and Allergic Rhinitis. Dr. Nguyen is currently accepting new patients.

    William G. Harris
    Experienced in Primary Immunodeficiency (PID)
    Allergy and Immunology
    Experienced in Primary Immunodeficiency (PID)
    Allergy and Immunology

    Allergy Partners Of California

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

    William Harris is an Allergy and Immunologist in Orange, California. Dr. Harris has been practicing medicine for over 39 years and is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Hives, Sinusitis, Grass Allergy, and Allergic Rhinitis.

    Chao-i Lin
    Experienced in Primary Immunodeficiency (PID)
    Allergy and Immunology
    Experienced in Primary Immunodeficiency (PID)
    Allergy and Immunology

    Allergy Partners Of California

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

    Chao-i Lin is an Allergy and Immunologist in Orange, California. Dr. Lin has been practicing medicine for over 44 years and is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Hives, Allergic Rhinitis, Sinusitis, and Grass Allergy.

    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 Family Medicine provider in Orange, California. Dr. Henderson is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Dehydration, Vitamin D Deficiency, Muscle Spasms, and Cerebellar Degeneration.

    Experienced in Primary Immunodeficiency (PID)
    Allergy and Immunology
    Experienced in Primary Immunodeficiency (PID)
    Allergy and Immunology

    Donald S Levy M D

    705 W La Veta Ave, 
    Orange, CA 
     (0.6 miles away)
    Experience:
    43+ years
    Languages Spoken:
    English

    Donald Levy is an Allergy and Immunologist in Orange, California. Dr. Levy has been practicing medicine for over 43 years and is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Hives, Angioedema, Hereditary Angioedema, and Grass Allergy.

    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)
    Experience:
    36+ years
    Languages Spoken:
    English

    Catherine Garcia is a primary care provider, practicing in Family Medicine in Orange, California. Dr. Garcia has been practicing medicine for over 36 years and is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). Her top areas of expertise are Type 2 Diabetes (T2D), Osteomyelitis in Children, Hypertension, High Cholesterol, and Carotid Artery Surgery.

    Experienced in Primary Immunodeficiency (PID)
    Internal Medicine
    Experienced 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

    Bardia Sadr is a primary care provider, practicing in Internal Medicine in Orange, California. Dr. Sadr is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Sepsis, Peptic Ulcer, Necrosis, Primary Immunodeficiency (PID), and Gastrostomy. Dr. Sadr is currently accepting new patients.

    Experienced in Primary Immunodeficiency (PID)
    Hematology | Oncology
    Experienced in Primary Immunodeficiency (PID)
    Hematology | Oncology

    Office

    101 The City Dr S Bldg 23, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Piyanuch Kongtim is a Hematologist and an Oncologist in Orange, California. Dr. Kongtim is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). Her top areas of expertise are Leukemia, Graft Versus Host Disease (GvHD), Acute Myeloid Leukemia (AML), Bone Marrow Transplant, and Bone Graft.

    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 Dr S Bldg 29, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    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). Her top areas of expertise are HIV/AIDS, AIDS Dementia Complex, AIDS Dysmorphic Syndrome, and Shingles.

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

    Uc Irvine Medical Center

    101 The City Dr S Pavilion 3, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English

    Lan Nguyen is a primary care provider, practicing in Internal Medicine in Orange, California. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). Her top areas of expertise are Jaundice, Plantar Fasciitis, COVID-19, and Multisystem Inflammatory Syndrome in Children (MIS-C).

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

    Yorba Park Medical Group II Inc.

    2501 E Chapman Ave, 
    Orange, CA 
     (1.6 miles away)
    Experience:
    10+ years
    Languages Spoken:
    English
    Offers Telehealth

    Bryan Nam is a primary care provider, practicing in Internal Medicine in Orange, California. Dr. Nam has been practicing medicine for over 10 years and is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Sepsis, Atypical Pneumonia, Hospital-Acquired Pneumonia, Endoscopy, and Vertebroplasty.

    Experienced in Primary Immunodeficiency (PID)
    Experienced in Primary Immunodeficiency (PID)

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Stefan Ciurea is a Hematologist in Orange, California. Dr. Ciurea is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Acute Myeloid Leukemia (AML), Graft Versus Host Disease (GvHD), Leukemia, Bone Marrow Transplant, and Bone Marrow Aspiration.

    Experienced in Primary Immunodeficiency (PID)
    Experienced in Primary Immunodeficiency (PID)

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Catherine Coombs is a Hematologist in Orange, California. Dr. Coombs is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). Her top areas of expertise are Chronic Lymphocytic Leukemia (CLL), Chronic B-Cell Leukemia (CBCL), Leukemia, Bone Marrow Aspiration, and Bone Marrow Transplant.

    Experienced in Primary Immunodeficiency (PID)
    Experienced in Primary Immunodeficiency (PID)

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Elizabeth Brem is a Hematologist in Orange, California. Dr. Brem is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). Her top areas of expertise are Non-Hodgkin Lymphoma, Diffuse Large B-Cell Lymphoma (DLBCL), Large-Cell Immunoblastic Lymphoma, Bone Marrow Aspiration, and Bone Marrow Transplant.

    Showing 1-20 of 94

    Last Updated: 02/22/2026

    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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