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    Last Updated: 10/30/2025

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    MediFind found 816 doctor with experience in Primary Immunodeficiency (PID) near California, US. Of these, 717 are Experienced, 89 are Advanced, 8 are Distinguished and 2 are Elite.

    Location
    LocationClose
    816 providers found
      Elite in Primary Immunodeficiency (PID)
      Allergy and Immunology | Adolescent Medicine
      Elite in Primary Immunodeficiency (PID)
      Allergy and Immunology | Adolescent Medicine
      Orange, CA 
      Languages Spoken:
      English
      Offers Telehealth

      Sudhir Gupta is an Allergy and Immunologist and an Adolescent Medicine provider in Orange, 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.

      Elite in Primary Immunodeficiency (PID)
      Internal Medicine
      Elite in Primary Immunodeficiency (PID)
      Internal Medicine
      4944 Hood Dr, 
      Woodland Hills, CA 
      Languages Spoken:
      English

      David Gelmont is a primary care provider, practicing in Internal Medicine in Woodland Hills, California. Dr. Gelmont is rated as an Elite provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Primary Immunodeficiency (PID), Protein C Deficiency, Asthma, and Purpura.

      What does Elite, Distinguished, Advanced, Experienced mean?
      Advanced in Primary Immunodeficiency (PID)
      Hematology | Hematology Oncology
      Advanced in Primary Immunodeficiency (PID)
      Hematology | Hematology Oncology

      City Of Hope Medical Foundation

      1500 E Duarte Rd, 
      Duarte, CA 
      Languages Spoken:
      English
      Offers Telehealth

      Matthew Mei is a Hematologist and a Hematologist Oncology provider in Duarte, California. Dr. Mei is rated as an Advanced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Hodgkin Lymphoma, Non-Hodgkin Lymphoma, Classical Hodgkin Lymphoma, Bone Marrow Transplant, and Bone Marrow Aspiration.

      Learn about our expert tiers
      Stephen J. Forman
      Experienced in Primary Immunodeficiency (PID)
      Experienced in Primary Immunodeficiency (PID)

      City Of Hope Medical Foundation

      1500 Duarte Rd, 
      Duarte, CA 
      Languages Spoken:
      English
      Offers Telehealth

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

      Alex F. Herrera
      Experienced in Primary Immunodeficiency (PID)
      Hematology | Hematology Oncology
      Experienced in Primary Immunodeficiency (PID)
      Hematology | Hematology Oncology

      City Of Hope - Duarte Main Campus

      1500 E Duarte Rd, 
      Duarte, CA 
      Experience:
      16+ years
      Languages Spoken:
      English
      Offers Telehealth

      Alex Herrera is a Hematologist and a Hematologist Oncology provider in Duarte, CA. Dr. Herrera has been practicing medicine for over 16 years and is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Hodgkin Lymphoma, Classical Hodgkin Lymphoma, Diffuse Large B-Cell Lymphoma (DLBCL), Bone Marrow Transplant, and Bone Marrow Aspiration.

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

      City Of Hope Medical Foundation

      209 Fair Oaks Ave, 
      South Pasadena, CA 
      Languages Spoken:
      English

      Lihua Budde is a Hematologist and a Hematologist Oncology provider in South Pasadena, California. Dr. Budde is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). Her top areas of expertise are Non-Hodgkin Lymphoma, Follicular Lymphoma, Mantle Cell Lymphoma (MCL), Bone Marrow Aspiration, and Bone Marrow Transplant.

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

      City Of Hope Medical Foundation

      209 Fair Oaks Ave, 
      South Pasadena, CA 
      Languages Spoken:
      English
      Offers Telehealth

      Daniel Kim is a Hematologist Oncology specialist and an Oncologist in South Pasadena, California. Dr. Kim is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Stomach Cancer, Chronic Familial Neutropenia, Agranulocytosis, and Blood Clots.

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

      Uc Regents

      101 The City Dr S, 
      Orange, CA 
      Languages Spoken:
      English
      Offers Telehealth

      Misagh Karimi is a Hematologist Oncology specialist and a Hematologist in Orange, California. Dr. Karimi is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Breast Cancer, Familial Colorectal Cancer, Colorectal Cancer, and Paget Disease of the Breast.

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

      City Of Hope Medical Foundation

      222 W Eulalia St, Suite 100b, 
      Glendale, CA 
      Languages Spoken:
      English
      Offers Telehealth

      Kalust Ucar is a Hematologist Oncology specialist and a Hematologist in Glendale, California. Dr. Ucar is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Familial Colorectal Cancer, Paget Disease of the Breast, Iron Deficiency Anemia, and Childhood Iron Deficiency Anemia.

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

      City Of Hope Medical Foundation

      16300 Sand Canyon Ave, Suite 207, 
      Irvine, CA 
      Languages Spoken:
      English
      Offers Telehealth

      Sudarsan Kollimuttathuillam is a Hematologist Oncology specialist and a Hematologist in Irvine, California. Dr. Kollimuttathuillam is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Iron Deficiency Anemia, Childhood Iron Deficiency Anemia, Dehydration, and Agranulocytosis.

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

      Hoag Clinic

      19582 Beach Blvd, Suite 202, 
      Huntington Beach, CA 
      Languages Spoken:
      English
      Offers Telehealth

      Yaser Homsi is a Hematologist Oncology specialist and a Hematologist in Huntington Beach, California. Dr. Homsi 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, Lung Cancer, Pleuropulmonary Blastoma, and Bone Marrow Aspiration.

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

      City Of Hope Medical Foundation

      16300 Sand Canyon Ave, Suite 207, 
      Irvine, CA 
      Languages Spoken:
      English
      Offers Telehealth

      Luke Chen is a Hematologist Oncology specialist and a Hematologist in Irvine, California. Dr. Chen is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Clear Cell Sarcoma, Renal Cell Carcinoma (RCC), Chromophobe Renal Cell Carcinoma, WT1-Related Wilms Tumor Syndromes, and Prostatectomy.

      Experienced in Primary Immunodeficiency (PID)
      Hepatology | Radiology | Hematology
      Experienced in Primary Immunodeficiency (PID)
      Hepatology | Radiology | Hematology

      Regents Of The University Of California

      200 W Arbor Dr, 
      San Diego, CA 
      Languages Spoken:
      English
      Offers Telehealth

      Yuko Kono is a Hepatologist and a Radiologist in San Diego, California. Dr. Kono is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). Her top areas of expertise are Fibrolamellar Carcinoma, Cirrhosis, Liver Cancer, Liver Transplant, and Endoscopy.

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

      Regents Of The University Of California

      618 5th St, 
      Marysville, CA 
      Languages Spoken:
      English
      Offers Telehealth

      Mohamad Barakat is a Hematologist Oncology specialist and a Hematologist in Marysville, California. Dr. Barakat is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Shwartzman Phenomenon, Iron Deficiency Anemia, Childhood Iron Deficiency Anemia, and Smoldering Multiple Myeloma.

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

      City Of Hope Medical Foundation

      16300 Sand Canyon Ave, Suite 207, 
      Irvine, CA 
      Languages Spoken:
      English
      Offers Telehealth

      Danny Nguyen is a Hematologist Oncology specialist and a Hematologist in Irvine, California. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Pleuropulmonary Blastoma, Lynch Syndrome, Colorectal Cancer, and Familial Colorectal Cancer.

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

      City Of Hope Medical Foundation

      1043 Elm Ave, Suite 104, 
      Long Beach, CA 
      Languages Spoken:
      English
      Offers Telehealth

      Krushangi Patel is a Hematologist Oncology specialist and a Hematologist in Long Beach, California. Dr. Patel is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). Her top areas of expertise are Agranulocytosis, Chronic Familial Neutropenia, Lung Adenocarcinoma, and EGFR Positive Lung Cancer.

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

      City Of Hope Medical Foundation

      Irvine, CA 
      Experience:
      16+ years
      Languages Spoken:
      English
      Offers Telehealth

      Avyakta Kallam is a Hematologist in Irvine, California. Dr. Kallam has been practicing medicine for over 16 years and 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), Hodgkin Lymphoma, Bone Marrow Transplant, and Bone Marrow Aspiration.

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

      City Of Hope Medical Foundation

      209 Fair Oaks Ave, 
      South Pasadena, CA 
      Languages Spoken:
      English

      Vinod Pullarkat is a Hematologist and a Hematologist Oncology provider in South Pasadena, California. Dr. Pullarkat is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Acute Lymphoblastic Leukemia (ALL), Acute Myeloid Leukemia (AML), Leukemia, Bone Marrow Aspiration, and Bone Marrow Transplant.

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

      University Of California San Francisco

      400 Parnassus Ave, Mcb300, 
      San Francisco, CA 
      Languages Spoken:
      English
      Offers Telehealth

      Michele Pham is an Allergy and Immunologist in San Francisco, California. Dr. Pham is rated as a Distinguished provider by MediFind in the treatment of Primary Immunodeficiency (PID). Her top areas of expertise are Primary Immunodeficiency (PID), Common Variable Immune Deficiency, Anaphylaxis, and Chronic Spontaneous Urticaria (CSU).

      Distinguished in Primary Immunodeficiency (PID)
      Allergy and Immunology | Hospital Medicine
      Distinguished in Primary Immunodeficiency (PID)
      Allergy and Immunology | Hospital Medicine

      Rady Children's Hospital - San Diego

      3020 Children's Way, 
      San Diego, CA 
      Experience:
      16+ years
      Languages Spoken:
      English
      Offers Telehealth

      Bob Geng is an Allergy and Immunologist and a Hospital Medicine provider in San Diego, California. Dr. Geng has been practicing medicine for over 16 years and is rated as a Distinguished provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Primary Immunodeficiency (PID), Asthma, Hives, and Giant Papillary Conjunctivitis.

      Showing 1-20 of 816

      Last Updated: 10/30/2025

      When should I see a Primary Immunodeficiency (PID) 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 Primary Immunodeficiency (PID) 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 Primary Immunodeficiency (PID) 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 Primary Immunodeficiency (PID) 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 Primary Immunodeficiency (PID) 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 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 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 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 in California, US?

      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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