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

Find the Top Primary Immunodeficiency (PID) Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 97 doctor with experience in Primary Immunodeficiency (PID) near cypress, CA. Of these, 88 are Experienced, 8 are Advanced and 1 are Distinguished.

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97 providers found
    Experienced in Primary Immunodeficiency (PID)
    Hematology
    Experienced in Primary Immunodeficiency (PID)
    Hematology
    Referral may be required
    3747 Worsham Avenue, Suite 101, 
    Long Beach, CA 
     (6.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Lihong Wu is a Hematologist practicing medicine in Long Beach, California. Dr. Wu 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 Liver Failure, Agranulocytosis, Thrombocytopenia, Gastrostomy, and Endoscopy. Dr. Wu is board certified in Internal Medicine (Sub: Medical Oncology), American Board Internal Medicine, Internal Medicine (Sub: Hematology), and Internal Medicine. Dr. Wu is currently accepting new patients.

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

    Optum - Los Alamitos

    3460 Katella Ave, 
    Los Alamitos, CA 
     (2.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Ryan Tran is a primary care provider, practicing in Family Medicine in Los Alamitos, California. Dr. Tran 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 Osteomyelitis in Children, High Cholesterol, Type 2 Diabetes (T2D), and Generalized Anxiety Disorder (GAD). Dr. Tran is board certified in American Board Of Family Medicine. Dr. Tran is currently accepting new patients.

    Experienced in Primary Immunodeficiency (PID)
    Experienced in Primary Immunodeficiency (PID)
    Referral may be required

    City Of Hope Long Beach Elm

    1043 Elm Ave Ste 104, 
    Long Beach, CA 
     (9.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Krushangi Patel is a Hematologist practicing medicine in Long Beach, California. Dr. Patel is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). Her clinical expertise encompasses Agranulocytosis, ALK-Positive Non-Small Cell Lung Cancer, Thrombocytopenia, and Gallbladder Adenocarcinoma.

    Learn about our expert tiers
    Experienced in Primary Immunodeficiency (PID)
    Internal Medicine
    Experienced in Primary Immunodeficiency (PID)
    Internal Medicine

    UCI Health - Los Alamitos

    3751 Katella Avenue, 
    Los Alamitos, CA 
     (1.9 miles away)
    Languages Spoken:
    English

    Earl Mejia is a primary care provider, practicing in Internal Medicine in Los Alamitos, California. Dr. Mejia is rated as an Experienced 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 Apparent Mineralocorticoid Excess, Hyperaldosteronism, Familial Hyperaldosteronism, and IgG4-Related Disease. Dr. Mejia is board certified in American Board Of Internal Medicine and American Board Of Internal Medicine - Internal Medicine.

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

    Optum - Cypress

    10601 Walker St, 
    Cypress, CA 
     (0.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Matthew Davis is a primary care provider, practicing in Family Medicine in Cypress, California. Dr. Davis 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 Familial Hypertension, Hypertension, Glucocorticoid-Remediable Aldosteronism, and High Cholesterol.

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

    Uci Health-Los Alamitos

    3751 Katella Ave, 
    Los Alamitos, CA 
     (1.9 miles away)
    Languages Spoken:
    English

    Houman Danesh is a primary care provider, practicing in Internal Medicine in Los Alamitos, California. Dr. Danesh is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His clinical expertise encompasses Congenital Antithrombin 3 Deficiency, Protein S Deficiency, Hereditary Resistance to Anti-Vitamin K, and Protein C Deficiency.

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

    Good Life Medical Group Inc

    5451 La Palma Ave, 
    La Palma, CA 
     (2.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Peter Hugh is a primary care provider, practicing in Family Medicine in La Palma, California. Dr. Hugh 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 Viral Pharyngitis, Osteomyelitis in Children, Bacterial Prostatitis, and Nonbacterial Prostatitis. Dr. Hugh is board certified in American Board Of Family Medicine.

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

    Titanium Healthcare

    12566 Valley View St, 
    Garden Grove, CA 
     (2.6 miles away)
    Languages Spoken:
    English

    Talin Nemri is a primary care provider, practicing in Internal Medicine in Garden Grove, California. Dr. Nemri is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). Her clinical expertise encompasses Osteomyelitis in Children, High Cholesterol, Vitamin D Deficiency, and Nephrosclerosis. Dr. Nemri is board certified in American Board Of Internal Medicine.

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

    Beach Allergy And Asthma

    3816 Woodruff Ave Ste 209, 
    Long Beach, CA 
     (4.3 miles away)
    Languages Spoken:
    English

    Marc Tamaroff is an Allergy and Immunologist practicing medicine in Long Beach, California. Dr. Tamaroff 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 Sinusitis, Allergic Rhinitis, Grass Allergy, and Common Variable Immune Deficiency.

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

    Optum - Seal Beach Leisure World

    1661 Golden Rain Rd, 
    Seal Beach, CA 
     (4.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Sophia Chun is a primary care provider, practicing in Internal Medicine in Seal Beach, California. Dr. Chun 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 Post Polio Syndrome, Foot Drop, Poliomyelitis, and High Cholesterol. Dr. Chun is board certified in American Board Of Internal Medicine. Dr. Chun is currently accepting new patients.

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

    Optum - Seal Beach Leisure World

    1661 Golden Rain Rd, 
    Seal Beach, CA 
     (4.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Ellen Dayon is a primary care provider, practicing in Internal Medicine in Seal Beach, California. Dr. Dayon is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). Her clinical expertise encompasses Infant Hyperglycemia, Postmenopausal Osteoporosis, Osteoporosis, and Protein S Deficiency. Dr. Dayon is board certified in American Board Of Internal Medicine. Dr. Dayon is currently accepting new patients.

    Experienced in Primary Immunodeficiency (PID)
    Allergy and Immunology | Pediatrics
    Experienced in Primary Immunodeficiency (PID)
    Allergy and Immunology | Pediatrics
    Referral may be required

    Beach Allergy And Asthma Specialty Group

    3816 Woodruff Ave, 
    Long Beach, CA 
     (4.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Steven Meltzer is an Allergy and Immunologist and a Pediatrics provider practicing medicine in Long Beach, California. Dr. Meltzer 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 Allergic Rhinitis, Sinusitis, Asthma, and Grass Allergy. Dr. Meltzer is board certified in Allergy & Immunology and American Board Of Allergy & Immunology. Dr. Meltzer is currently accepting new patients.

    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 
     (8.6 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.

    Experienced in Primary Immunodeficiency (PID)
    Internal Medicine
    Experienced in Primary Immunodeficiency (PID)
    Internal Medicine
    2141 North Harbor Boulevard, Suite 25000, 
    Fullerton, CA 
     (9.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Bradley Borsari is a primary care provider, practicing in Internal Medicine in Fullerton, California. Dr. Borsari is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Autoerythrocyte Sensitivity, Purpura, Gardner-Diamond Syndrome, and Postmenopausal Osteoporosis. Dr. Borsari is currently accepting new patients.

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

    Geriatric Medicine Huntington Beach

    19582 Beach Blvd Ste 250, 
    Huntington Beach, CA 
     (9.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Son Nguyen is a primary care provider, practicing in Internal Medicine in Huntington Beach, California. Dr. Nguyen 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 Enlarged Prostate (BPH), Gardner-Diamond Syndrome, Autoerythrocyte Sensitivity, Ureteroscopy, and Colonoscopy. Dr. Nguyen is currently accepting new patients.

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

    Uyen Jackie Nguyen M.D. Inc.

    18682 Beach Blvd Ste 110, 
    Huntington Beach, CA 
     (9.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Uyen Nguyen is a primary care provider, practicing in Family Medicine in Huntington Beach, California. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). She is also highly rated in 13 other conditions, according to our data. Her clinical expertise encompasses Severe Acute Respiratory Syndrome (SARS), Tracheitis, Familial Hypertriglyceridemia, and Vitamin D Deficiency. Dr. Nguyen is currently accepting new patients.

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

    Optum California-Monarch

    3633 Long Beach Blvd Ste 105, 
    Long Beach, CA 
     (8.0 miles away)
    Languages Spoken:
    English

    Amar Kadakia is a primary care provider, practicing in Internal Medicine in Long Beach, California. Dr. Kadakia is rated as an Advanced 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 Primary Immunodeficiency (PID), Protein C Deficiency, Protein S Deficiency, Endoscopy, and Pacemaker Implantation.

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

    Optum California-Monarch

    3633 Long Beach Blvd Ste 105, 
    Long Beach, CA 
     (8.0 miles away)
    Languages Spoken:
    English

    Pourya Mirsaeid-Ghazi is a primary care provider, practicing in Internal Medicine in Long Beach, California. Dr. Mirsaeid-Ghazi is rated as an Advanced provider by MediFind in the treatment of Primary Immunodeficiency (PID). He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Primary Immunodeficiency (PID), Hyperaldosteronism, Familial Hyperaldosteronism, and Apparent Mineralocorticoid Excess.

    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 
     (8.6 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 
     (8.6 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.

    Showing 1-20 of 97

    Last Updated: 09/26/2026

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