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

Find the Top Primary Immunodeficiency (PID) Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 66 doctor with experience in Primary Immunodeficiency (PID) near ladera ranch, CA. Of these, 53 are Experienced, 12 are Advanced and 1 are Elite.

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66 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 
     (13.8 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)
    Experienced in Primary Immunodeficiency (PID)

    Optum - Ladera Ranch

    800 Corporate Dr, 
    Ladera Ranch, CA 
     (0.8 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 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 Papular Urticaria, Multisystem Inflammatory Syndrome in Children (MIS-C), COVID-19, and Empyema. Dr. Wainwright is currently accepting new patients.

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

    Optum - Mission Viejo

    26991 Crown Valley Pkwy, 
    Mission Viejo, CA 
     (1.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Ronald Richmond is a primary care provider, practicing in Family Medicine in Mission Viejo, California. Dr. Richmond is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Sciatica, Insomnia, and Hypertension. Dr. Richmond is board certified in American Board Of Family Medicine. Dr. Richmond is currently accepting new patients.

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

    Allergy And Asthma Assoc Of So Calif

    28202 Cabot Rd, 
    Laguna Niguel, CA 
     (2.1 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 an Advanced provider by MediFind in the treatment of Primary Immunodeficiency (PID). 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.

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

    Office

    Laguna Niguel, CA 
     (3.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Bassam Bilal is a primary care provider, practicing in Internal Medicine in Laguna Niguel, California. Dr. Bilal 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 Type 2 Diabetes (T2D), High Cholesterol, Osteomyelitis in Children, and Hypertension. Dr. Bilal is currently accepting new patients.

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

    Optum - San Juan Capistrano

    San Juan Capistrano, CA 
     (3.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Lothar Mcmillian is a primary care provider, practicing in Family Medicine in San Juan Capistrano, California. Dr. Mcmillian 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 High Cholesterol, Type 2 Diabetes (T2D), Hypothyroidism, and Hypertension. Dr. Mcmillian is board certified in American Board Of Family Medicine. Dr. Mcmillian 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

    Allergy And Asthma Assoc Of So Calif

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

    Mark Sugar is an Allergy and Immunologist practicing medicine in Laguna Niguel, California. Dr. Sugar 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 Allergic Rhinitis, Sinusitis, Primary Immunodeficiency (PID), and Common Variable Immune Deficiency. Dr. Sugar is board certified in American Board Of Allergy & Immunology. Dr. Sugar is currently accepting new patients.

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

    Felice L Gersh MD Inc

    16300 Sand Canyon Ave Ste 311, 
    Irvine, CA 
     (9.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Michael Waldman is a primary care provider, practicing in Internal Medicine in Irvine, California. Dr. Waldman is rated as an Advanced provider by MediFind in the treatment of Primary Immunodeficiency (PID). He is also highly rated in 52 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), High Cholesterol, Autoerythrocyte Sensitivity, and Purpura. Dr. Waldman 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 - Irvine Chao Family Comprehensive Cancer Center & Ambulatory Care

    19208 Jamboree Road, 
    Irvine, CA 
     (13.0 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.

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

    Optum - Mission Viejo

    26991 Crown Valley Pkwy, 
    Mission Viejo, CA 
     (1.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Camellia Shoapour is a primary care provider, practicing in Family Medicine in Mission Viejo, California. Dr. Shoapour is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Bronchitis, Type 2 Diabetes (T2D), High Cholesterol, and Multisystem Inflammatory Syndrome in Children (MIS-C). Dr. Shoapour is board certified in American Board Of Family Medicine.

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

    Marwan Edris MD

    25283 Cabot Rd, 
    Laguna Hills, CA 
     (3.7 miles away)
    Languages Spoken:
    English

    Marwan Edris is a primary care provider, practicing in Internal Medicine in Laguna Hills, California. Dr. Edris is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Transient Familial Hyperbilirubinemia, Thyroid Dysgenesis, Congenital Hypothyroidism, and Newborn Jaundice.

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

    Office

    25500 Rancho Niguel Rd Ste 250, 
    Laguna Niguel, CA 
     (3.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Sonja Krafcik is a primary care provider, practicing in Internal Medicine in Laguna Niguel, California. Dr. Krafcik is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). Her clinical expertise encompasses Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Osteomyelitis in Children.

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

    Saddleback Medical Group

    Laguna Hills, CA 
     (4.3 miles away)
    Languages Spoken:
    English

    Raymond Fernandez is a primary care provider, practicing in Internal Medicine in Laguna Hills, California. Dr. Fernandez is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His clinical expertise encompasses High Cholesterol, Hypothyroidism, Gastroesophageal Reflux Disease (GERD), and Type 2 Diabetes (T2D).

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

    Aco Saddleback

    Laguna Hills, CA 
     (4.3 miles away)
    Languages Spoken:
    English

    Hai Le is a primary care provider, practicing in Internal Medicine in Laguna Hills, California. Dr. Le is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Apparent Mineralocorticoid Excess, Hyperaldosteronism, Familial Hyperaldosteronism, and Osteomyelitis in Children. Dr. Le is board certified in American Board Of Internal Medicine.

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

    Nermine Morcos MD Inc

    Laguna Hills, CA 
     (4.3 miles away)
    Languages Spoken:
    English

    Nermine Morcos-Clark is a primary care provider, practicing in Internal Medicine in Laguna Hills, California. Dr. Morcos-Clark is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). Her clinical expertise encompasses Purpura, Gardner-Diamond Syndrome, Autoerythrocyte Sensitivity, and Squamous Cell Carcinoma of the Anal Canal (SCAC).

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

    Optum - Rancho Santa Margarita

    29873 Santa Margarita Pkwy, 
    Rancho Santa Margarita, CA 
     (6.3 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 Primary Immunodeficiency (PID). 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 Primary Immunodeficiency (PID)
    Family Medicine
    Experienced in Primary Immunodeficiency (PID)
    Family Medicine

    Health And Wellness Center Inc

    23672 Birtcher Dr, 
    Lake Forest, CA 
     (7.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Mohammed Ali is a primary care provider, practicing in Family Medicine in Lake Forest, California. Dr. Ali 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 High Cholesterol, Premature Ovarian Failure, Down Syndrome, and Hypogonadism Primary Partial Alopecia. Dr. Ali is board certified in American Board Of Family Medicine. Dr. Ali is currently accepting new patients.

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

    Optum - San Clemente

    San Clemente, CA 
     (9.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Yelena Wood is a primary care provider, practicing in Internal Medicine in San Clemente, California. Dr. Wood is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). She is also highly rated in 19 other conditions, according to our data. Her clinical expertise encompasses Gardner-Diamond Syndrome, Purpura, Autoerythrocyte Sensitivity, and Insomnia. Dr. Wood is board certified in American Board Of Internal Medicine. Dr. Wood is currently accepting new patients.

    Advanced in Primary Immunodeficiency (PID)
    Internal Medicine
    Advanced in Primary Immunodeficiency (PID)
    Internal Medicine
    7 Technology Drive, 
    Irvine, CA 
     (8.7 miles away)
    Languages Spoken:
    English

    Benhoor Khalpari is a primary care provider, practicing in Internal Medicine in Irvine, California. Dr. Khalpari is rated as an Advanced 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 Primary Immunodeficiency (PID), Malnutrition, Protein Deficiency, Gastrointestinal Bleeding, and Endoscopy.

    Advanced in Primary Immunodeficiency (PID)
    Family Medicine
    Advanced in Primary Immunodeficiency (PID)
    Family Medicine
    7 Technology Drive, 
    Irvine, CA 
     (8.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Tengis Riznis is a primary care provider, practicing in Family Medicine in Irvine, California. Dr. Riznis is rated as an Advanced provider by MediFind in the treatment of Primary Immunodeficiency (PID). He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Primary Immunodeficiency (PID), Chronic Inflammatory Response Syndrome (CIRS), Protein S Deficiency, Protein C Deficiency, and Endoscopy. Dr. Riznis is board certified in American Board Of Family Medicine. Dr. Riznis is currently accepting new patients.

    Showing 1-20 of 66

    Last Updated: 09/26/2026

    When should I see a Primary Immunodeficiency (PID) doctor near ladera ranch, 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 ladera ranch, 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 ladera ranch, 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 ladera ranch, 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 ladera ranch, 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 ladera ranch, 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 ladera ranch, 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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