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

Find the Top Primary Immunodeficiency (PID) Experts and Specialists

Last Updated: 09/26/2026

Save doctors for later
Sign Up
Not sure about your diagnosis?
Check Your Symptoms
Already have a doctor?
Find A Second Opinion

MediFind found 78 doctor with experience in Primary Immunodeficiency (PID) near sunnyvale, CA. Of these, 66 are Experienced and 12 are Advanced.

Location
LocationClose
78 providers found
    Advanced in Primary Immunodeficiency (PID)
    Advanced in Primary Immunodeficiency (PID)
    Referral may be required

    Mountain View Center

    Mountain View, CA 
     (2.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Kim-son Nguyen is a Hematologist practicing medicine in Mountain View, California. Dr. Nguyen is rated as an Advanced provider by MediFind in the treatment of Primary Immunodeficiency (PID). He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Small Lymphocytic Lymphoma (SLL), ALK-Positive Non-Small Cell Lung Cancer, Myeloproliferative Neoplasms (MPN), and Myelodysplastic Syndrome (MDS). Dr. Nguyen is currently accepting new patients.

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

    Sunnyvale Center (301)

    301 Old San Francisco Road, Level 1, 
    Sunnyvale, CA 
     (0.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Huy Nguyen is a Hematologist practicing medicine in Sunnyvale, California. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His clinical expertise encompasses Idiopathic Neutropenia, Agranulocytosis, Thrombocytopenia, and Schnitzler Syndrome. Dr. Nguyen is board certified in Hematology Medical Oncology. Dr. Nguyen is currently accepting new patients.

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

    Palo Alto Medical Foundation-Mountain View Center Imaging

    Mountain View, CA 
     (2.8 miles away)
    Languages Spoken:
    English

    Kristin Razzeca is a primary care provider, practicing in Internal Medicine in Mountain View, California. Dr. Razzeca is rated as an Advanced provider by MediFind in the treatment of Primary Immunodeficiency (PID). She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Common Variable Immune Deficiency, Primary Immunodeficiency (PID), Myelitis, and HIV/AIDS.

    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
    Mountain View, CA 
     (2.8 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Charles Feng is an Allergy and Immunologist practicing medicine in Mountain View, California. He has been practicing medicine for over 17 years. Dr. Feng 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, Vibratory Urticaria, and Chronic Spontaneous Urticaria (CSU). Dr. Feng is board certified in Allergy And Immunology. Dr. Feng 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
    Mountain View, CA 
     (2.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Michael Mulligan is an Allergy and Immunologist practicing medicine in Mountain View, California. Dr. Mulligan 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, Grass Allergy, and Ozena. Dr. Mulligan is board certified in Allergy And Immunology - Board Certified and Not ABMS Specialty. Dr. Mulligan is currently accepting new patients.

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

    Child And Adolescent Mental Health-Stanford Children's Health Specialty Services-Sunnyvale

    1195 W Fremont Ave, 
    Sunnyvale,, CA 
     (1.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Linda Zhu is a primary care provider, practicing in Internal Medicine in Sunnyvale,, California. Dr. Zhu is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). She is also highly rated in 11 other conditions, according to our data. Her clinical expertise encompasses Chronic Spontaneous Urticaria (CSU), Vibratory Urticaria, Nonallergic Rhinopathy, and Hives.

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

    Office

    211 Quarry Rd Ste 301, 
    Palo Alto, CA 
     (8.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Baldeep Singh is a primary care provider, practicing in Internal Medicine in Palo Alto, California. Dr. Singh 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 Postmenopausal Osteoporosis, Urinary Incontinence, Type 2 Diabetes (T2D), and Hypertension. Dr. Singh is currently accepting new patients.

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

    Unniversity Healthcare Alliance

    14251 Winchester Blvd # 200, 
    Los Gatos, CA 
     (8.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Saumya Pandey is a primary care provider, practicing in Family Medicine in Los Gatos, California. Dr. Pandey 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 High Cholesterol, Hypothyroidism, Vertigo, Generalized Anxiety Disorder (GAD), and Intrauterine Device Insertion. Dr. Pandey is currently accepting new patients.

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

    Imaging Services At Hoover Pavilion

    211 Quarry Rd, 
    Palo Alto, CA 
     (8.8 miles away)
    Experience:
    10+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Kevin Chang is a primary care provider, practicing in Internal Medicine in Palo Alto, California. He has been practicing medicine for over 10 years. Dr. Chang 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 Multisystem Inflammatory Syndrome in Children (MIS-C), COVID-19, Type 2 Diabetes (T2D), Cerebral Hypoxia, and Colonoscopy. Dr. Chang is currently accepting new patients.

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

    Stanford Primary Care In Portola Valley

    3250 Alpine Rd, 
    Portola Valley, CA 
     (8.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Kathleen Kenny is a primary care provider, practicing in Internal Medicine in Portola Valley, California. Dr. Kenny is rated as an Experienced 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 Postmenopausal Osteoporosis, Hyperhidrosis, Muscle Invasive Bladder Cancer, and Non-Muscle Invasive Bladder Cancer. Dr. Kenny 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

    Allergy & Asthma Associates Of Santa Clara Valley A Medical Corp

    4050 Moorpark Ave, 
    San Jose, CA 
     (5.0 miles away)
    Languages Spoken:
    English, French, Japanese, Mandarin, Spanish
    Accepting New Patients
    Offers Telehealth

    Robert Torrano is an Allergy and Immunologist and a Pediatrics provider practicing medicine in San Jose, California. Dr. Torrano 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 Allergic Rhinitis, Grass Allergy, Sinusitis, and Chronic Spontaneous Urticaria (CSU). Dr. Torrano is currently accepting new patients.

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

    Office

    725 Welch Rd Ste 160, 
    Palo Alto, CA 
     (8.0 miles away)
    Languages Spoken:
    English

    Kathleen Sakamoto is a Hematologist and an Oncologist practicing medicine in Palo Alto, California. Dr. Sakamoto is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Pure Red Cell Aplasia, Aplastic Anemia, Transient Erythroblastopenia of Childhood, Acute Lymphoblastic Leukemia (ALL), and Bone Marrow Aspiration.

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

    Palo Alto - 49 Wells Building

    49 Wells Avenue, Level 3, 
    Palo Alto, CA 
     (8.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Salwan Abiezzi is a primary care provider, practicing in Internal Medicine in Palo Alto, California. Dr. Abiezzi is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His clinical expertise encompasses Cramp-Fasciculation Syndrome, Glossodynia, Burning Mouth Syndrome, and Tension Headache. Dr. Abiezzi is board certified in Not ABMS Specialty.

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

    Palo Alto Center

    Palo Alto, CA 
     (8.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Roozbeh Mohajer is a Hematologist practicing medicine in Palo Alto, California. Dr. Mohajer 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 Monoclonal Gammopathy of Undetermined Significance (MGUS), Schnitzler Syndrome, Follicular Lymphoma, and Thalassemia. Dr. Mohajer is board certified in Medical Oncology - Board Certified and Hematology - Board Certified . Dr. Mohajer is currently accepting new patients.

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

    Palo Alto Center

    Palo Alto, CA 
     (8.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Anousheh Afjei is a primary care provider, practicing in Internal Medicine in Palo Alto, California. Dr. Afjei is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). Her clinical expertise encompasses Primary Immunodeficiency (PID).

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

    Lucile Packard Children's Hospital Stanford

    725 Welch Rd, 
    Palo Alto, CA 
     (8.9 miles away)
    Languages Spoken:
    English

    Alice Bertaina is a Hematologist and an Oncologist practicing medicine in Palo Alto, California. Dr. Bertaina is rated as an Advanced provider by MediFind in the treatment of Primary Immunodeficiency (PID). She is also highly rated in 16 other conditions, according to our data. Her clinical expertise encompasses Graft Versus Host Disease (GvHD), Adult T-Cell Leukemia, Acute Lymphoblastic Leukemia (ALL), Bone Marrow Transplant, and Bone Graft.

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

    Lucile Packard Children's Hospital Stanford

    725 Welch Rd, 
    Palo Alto,, CA 
     (8.9 miles away)
    Experience:
    18+ years
    Languages Spoken:
    English

    Yael Gernez is a primary care provider, practicing in Internal Medicine in Palo Alto,, California. She has been practicing medicine for over 18 years. Dr. Gernez is rated as an Advanced 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 Evans Syndrome, Exercise-Induced Anaphylaxis (EIA), Anaphylaxis, and Serum Sickness.

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

    Lucile Packard Children's Hospital Stanford

    725 Welch Rd, 
    Palo Alto, CA 
     (8.9 miles away)
    Languages Spoken:
    English

    Norman Lacayo is a Hematologist and an Oncologist practicing medicine in Palo Alto, California. Dr. Lacayo 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 Acute Lymphoblastic Leukemia (ALL), Leukemia, Acute Myeloid Leukemia (AML), Childhood Acute Myeloid Leukemia, and Bone Marrow Aspiration.

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

    Lucile Packard Children's Hospital Stanford

    725 Welch Rd, 
    Palo Alto, CA 
     (8.9 miles away)
    Languages Spoken:
    English

    Katja Weinacht is a Hematologist and an Oncologist practicing medicine in Palo Alto, California. Dr. Weinacht is rated as an Advanced 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 Primary Immunodeficiency (PID), Congenital Aplastic Anemia, Spondyloenchondrodysplasia, Shwachman-Diamond Syndrome, and Bone Marrow Transplant.

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

    Stanford Rehabilitation Clinic

    730 Welch Rd, 
    Palo Alto, CA 
     (8.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Sean Mcghee is an Allergy and Immunologist practicing medicine in Palo Alto, California. Dr. Mcghee 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 Eosinophilic Esophagitis, Primary Immunodeficiency (PID), Common Variable Immune Deficiency, and Eosinophilic Enteropathy.

    Showing 1-20 of 78

    Last Updated: 09/26/2026

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

    Read more about our Content Policy.