The 20 Best Activated PI3K Delta Syndrome (APDS) Doctors Near Me in Los Angeles, CA

Find the Top Activated PI3K Delta Syndrome (APDS) Experts and Specialists

Last Updated: 09/19/2026

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MediFind found 76 doctor with experience in Activated PI3K Delta Syndrome (APDS) near Los Angeles, CA. Of these, 62 are Experienced, 11 are Advanced and 3 are Distinguished.

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76 providers found
    Distinguished in Activated PI3K Delta Syndrome (APDS)
    Family Medicine
    Distinguished in Activated PI3K Delta Syndrome (APDS)
    Family Medicine

    Harbor Medical Clinic

    804 Harbor Blvd, 
    West Sacramento, CA 
    Languages Spoken:
    English, Russian, Ukrainian
    Accepting New Patients
    Offers Telehealth

    Pavel Polskiy is a primary care provider, practicing in Family Medicine in West Sacramento, California. Dr. Polskiy is rated as a Distinguished provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). He is also highly rated in 31 other conditions, according to our data. His clinical expertise encompasses Holocarboxylase Synthetase Deficiency, ZAP70-Related Severe Combined Immunodeficiency, Activated PI3K Delta Syndrome (APDS), and Campylobacter Infection. Dr. Polskiy is board certified in Family Medicine. Dr. Polskiy is currently accepting new patients.

    Distinguished in Activated PI3K Delta Syndrome (APDS)
    Family Medicine
    Distinguished in Activated PI3K Delta Syndrome (APDS)
    Family Medicine

    Herach Yadegarian, MD Private Practice

    411 N. Central Ave, Ste 130, 
    Glendale, CA 
    Languages Spoken:
    English, Armenian, Farsi
    Accepting New Patients
    Offers Telehealth

    Herach Yadegarian is a primary care provider, practicing in Family Medicine in Glendale, California. Dr. Yadegarian is rated as a Distinguished provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Activated PI3K Delta Syndrome (APDS), Holocarboxylase Synthetase Deficiency, and ZAP70-Related Severe Combined Immunodeficiency. Dr. Yadegarian is currently accepting new patients.

    Distinguished in Activated PI3K Delta Syndrome (APDS)
    Distinguished in Activated PI3K Delta Syndrome (APDS)
    Referral may be required

    Vera Dermatology Inc.

    981 W Foothill Blvd, 
    Claremont, CA 
    Languages Spoken:
    English, Spanish
    Accepting New Patients
    Offers Telehealth

    Stanley Kim is a Hematologist practicing medicine in Claremont, California. Dr. Kim is rated as a Distinguished provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Anemia, Activated PI3K Delta Syndrome (APDS), Deep Vein Thrombosis, Pulmonary Embolism, and Splenectomy. Dr. Kim is currently accepting new patients.

    Learn about our expert tiers
    Advanced in Activated PI3K Delta Syndrome (APDS)
    Family Medicine
    Advanced in Activated PI3K Delta Syndrome (APDS)
    Family Medicine

    Visalia Family Practice Medical Group

    107 N Hall St Ste D, 
    Visalia, CA 
    Languages Spoken:
    English

    John Coffey is a primary care provider, practicing in Family Medicine in Visalia, California. Dr. Coffey is rated as an Advanced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses ZAP70-Related Severe Combined Immunodeficiency, Holocarboxylase Synthetase Deficiency, Activated PI3K Delta Syndrome (APDS), and Hyperlipidemia Type 3.

    Advanced in Activated PI3K Delta Syndrome (APDS)
    Family Medicine
    Advanced in Activated PI3K Delta Syndrome (APDS)
    Family Medicine

    Office

    46900 Ocean View Way, 
    Gualala, CA 
    Languages Spoken:
    English

    Mark Kal is a primary care provider, practicing in Family Medicine in Gualala, California. Dr. Kal is rated as an Advanced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). He is also highly rated in 28 other conditions, according to our data. His clinical expertise encompasses Chronic Cough, Breast Cancer, Vertigo, and Sciatica.

    Experienced in Activated PI3K Delta Syndrome (APDS)
    Family Medicine
    Experienced in Activated PI3K Delta Syndrome (APDS)
    Family Medicine

    The Breast Center Laboratory

    14624 Sherman Way Ste 600, 
    Van Nuys, CA 
    Experience:
    44+ years
    Languages Spoken:
    English

    Jesse Sanders is a primary care provider, practicing in Family Medicine in Van Nuys, California. He has been practicing medicine for over 44 years. Dr. Sanders is rated as an Experienced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). He is also highly rated in 25 other conditions, according to our data. His clinical expertise encompasses Myelitis, HIV/AIDS, AIDS Dysmorphic Syndrome, AIDS Dementia Complex, and Intrauterine Device Insertion.

    Experienced in Activated PI3K Delta Syndrome (APDS)
    Internal Medicine
    Experienced in Activated PI3K Delta Syndrome (APDS)
    Internal Medicine

    Emerald Hills

    333 Laws Ave, 
    Ukiah, CA 
    Languages Spoken:
    English

    Guy Teran is a primary care provider, practicing in Internal Medicine in Ukiah, California. Dr. Teran is rated as an Experienced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). He is also highly rated in 27 other conditions, according to our data. His clinical expertise encompasses Maturity Onset Diabetes of the Young, Necrosis, Type 2 Diabetes (T2D), and Sitosterolemia.

    Experienced in Activated PI3K Delta Syndrome (APDS)
    Family Medicine
    Experienced in Activated PI3K Delta Syndrome (APDS)
    Family Medicine

    Office

    2780 Oro Dam Blvd E Ste 3, 
    Oroville, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Vaughn Smith is a primary care provider, practicing in Family Medicine in Oroville, California. Dr. Smith is rated as an Experienced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Rabson-Mendenhall Syndrome, Acute Cystitis, Glucocorticoid-Remediable Aldosteronism, and Hypertension.

    Experienced in Activated PI3K Delta Syndrome (APDS)
    Family Medicine
    Experienced in Activated PI3K Delta Syndrome (APDS)
    Family Medicine

    Office

    46900 Ocean View Way, 
    Gualala, CA 
    Languages Spoken:
    English

    Thomas Bertolli is a primary care provider, practicing in Family Medicine in Gualala, California. Dr. Bertolli is rated as an Experienced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Hereditary Xanthinuria, Adenine Phosphoribosyltransferase Deficiency, Adenylosuccinate Lyase Deficiency, and Orotic Aciduria Type 1.

    Experienced in Activated PI3K Delta Syndrome (APDS)
    Internal Medicine
    Experienced in Activated PI3K Delta Syndrome (APDS)
    Internal Medicine

    Americashealth Plan Inc.

    200 S Wells Rd Ste 200, 
    Ventura, CA 
    Languages Spoken:
    English

    Ilona Sylvester is a primary care provider, practicing in Internal Medicine in Ventura, California. Dr. Sylvester is rated as an Experienced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Folate Deficiency, and Multiple Carboxylase Deficiency.

    Experienced in Activated PI3K Delta Syndrome (APDS)
    Family Medicine
    Experienced in Activated PI3K Delta Syndrome (APDS)
    Family Medicine

    Castle Family Health Center & Adult Daycare

    3605 Hospital Rd, 
    Atwater, CA 
    Languages Spoken:
    English

    Terry Arikawa is a primary care provider, practicing in Family Medicine in Atwater, California. Dr. Arikawa is rated as an Experienced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Glucocorticoid-Remediable Aldosteronism, Hypertension, and Familial Hypertension.

    Advanced in Activated PI3K Delta Syndrome (APDS)
    Endocrinology | Geriatrics
    Advanced in Activated PI3K Delta Syndrome (APDS)
    Endocrinology | Geriatrics
    Referral required

    Medical Valley Partners, Inc

    5525 Etiwanda Ave, 
    Tarzana, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Saman Lashkari is an Endocrinologist and a Geriatrics provider practicing medicine in Tarzana, California. Dr. Lashkari is rated as an Advanced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Activated PI3K Delta Syndrome (APDS), Smoldering Multiple Myeloma, Peripheral Neuropathy, Obesity, and Hernia Surgery. Dr. Lashkari is board certified in American Board Of Internal Medicine.

    Advanced in Activated PI3K Delta Syndrome (APDS)
    Internal Medicine
    Advanced in Activated PI3K Delta Syndrome (APDS)
    Internal Medicine

    Richard L. Walter M.D. A Medical Corporation

    5525 Etiwanda Ave Ste 318, 
    Tarzana, CA 
    Languages Spoken:
    English

    Robert Kayland is a primary care provider, practicing in Internal Medicine in Tarzana, California. Dr. Kayland is rated as an Advanced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Activated PI3K Delta Syndrome (APDS), ZAP70-Related Severe Combined Immunodeficiency, Holocarboxylase Synthetase Deficiency, and Purpura.

    Advanced in Activated PI3K Delta Syndrome (APDS)
    Internal Medicine
    Advanced in Activated PI3K Delta Syndrome (APDS)
    Internal Medicine

    Office

    5810 Jameson Ct, 
    Carmichael, CA 
    Experience:
    17+ years
    Languages Spoken:
    English

    Harmandeep Dhaliwal is a primary care provider, practicing in Internal Medicine in Carmichael, California. He has been practicing medicine for over 17 years. Dr. Dhaliwal is rated as an Advanced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses ZAP70-Related Severe Combined Immunodeficiency, Holocarboxylase Synthetase Deficiency, Campylobacter Infection, and Activated PI3K Delta Syndrome (APDS).

    Advanced in Activated PI3K Delta Syndrome (APDS)
    Family Medicine
    Advanced in Activated PI3K Delta Syndrome (APDS)
    Family Medicine

    Mark L. Tong MD Inc.

    1000 Fowler Way Ste 1A, 
    Placerville, CA 
    Languages Spoken:
    English

    Mark Tong is a primary care provider, practicing in Family Medicine in Placerville, California. Dr. Tong is rated as an Advanced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Coronary Heart Disease, Cirrhosis, Activated PI3K Delta Syndrome (APDS), and Stomach Cancer.

    Advanced in Activated PI3K Delta Syndrome (APDS)
    Medical Genetics
    Advanced in Activated PI3K Delta Syndrome (APDS)
    Medical Genetics
    Referral may be required
    1201 West La Veta Avenue, 
    Orange, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Richard Chang is a Medical Genetics provider practicing medicine in Orange, California. Dr. Chang is rated as an Advanced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). He is also highly rated in 155 other conditions, according to our data. His clinical expertise encompasses Phenylketonuria (PKU), Very Long-Chain Acyl-CoA Dehydrogenase (VLCAD) Deficiency, Maternal Hyperphenylalaninemia, and Adrenoleukodystrophy (ALD). Dr. Chang is currently accepting new patients.

    Advanced in Activated PI3K Delta Syndrome (APDS)
    Physician Assistant
    Advanced in Activated PI3K Delta Syndrome (APDS)
    Physician Assistant
    Referral may be required

    Manzanita Medical Clinic

    5810 Jameson Ct Ste 1, 
    Carmichael, CA 
    Languages Spoken:
    English

    Karina Roldan is a Physician Assistant practicing medicine in Carmichael, California. Roldan, PA is rated as an Advanced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Activated PI3K Delta Syndrome (APDS) and Vitamin D Deficiency.

    Advanced in Activated PI3K Delta Syndrome (APDS)
    Medical Genetics | Pediatrics
    Advanced in Activated PI3K Delta Syndrome (APDS)
    Medical Genetics | Pediatrics
    Referral may be required

    Lpch Medical Group Div Of Lucile

    725 Welch Rd, 
    Palo Alto, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Gregory Enns is a Medical Genetics specialist and a Pediatrics provider practicing medicine in Palo Alto, California. Dr. Enns is rated as an Advanced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). He is also highly rated in 53 other conditions, according to our data. His clinical expertise encompasses Urea Cycle Disorders (UCD), Methylmalonic Acidemia, Arginase Deficiency, and Very Long-Chain Acyl-CoA Dehydrogenase (VLCAD) Deficiency. Dr. Enns is currently accepting new patients.

    Advanced in Activated PI3K Delta Syndrome (APDS)
    Advanced in Activated PI3K Delta Syndrome (APDS)

    Southern California Ear, Nose And Throat

    10861 Cherry St Ste 200, 
    Los Alamitos, CA 
    Languages Spoken:
    English

    Alexandra Chrysanthis is a primary care provider, practicing in Internal Medicine in Los Alamitos, California. Dr. Chrysanthis is rated as an Advanced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Activated PI3K Delta Syndrome (APDS), Chronic Cough, Vertigo, and Fainting.

    Advanced in Activated PI3K Delta Syndrome (APDS)
    Medical Genetics | Pediatrics
    Advanced in Activated PI3K Delta Syndrome (APDS)
    Medical Genetics | Pediatrics
    Referral may be required

    Lpch Medical Group Div Of Lucile

    725 Welch Rd, 
    Palo Alto, CA 
    Experience:
    18+ years
    Languages Spoken:
    English
    Offers Telehealth

    Chung Lee is a Medical Genetics specialist and a Pediatrics provider practicing medicine in Palo Alto, California. She has been practicing medicine for over 18 years. Dr. Lee is rated as an Advanced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). She is also highly rated in 44 other conditions, according to our data. Her clinical expertise encompasses Ornithine Transcarbamylase Deficiency, Ornithine Translocase Deficiency, Maple Syrup Urine Disease, and Carnitine Palmitoyltransferase 1 Deficiency.

    Showing 1-20 of 76

    Last Updated: 09/19/2026

    What is the definition of Activated PI3K Delta Syndrome (APDS)?

    Activated PI3K-delta syndrome (also known as APDS) is a disorder that impairs the immune system. Individuals with this condition often have low numbers of white blood cells (lymphopenia), particularly B cells and T cells. Normally, these cells recognize and attack foreign invaders, such as viruses and bacteria, to prevent infection. The severity of activated PI3K-delta syndrome varies widely. Some people may have multiple, severe infections while others show mild symptoms to none at all.

    When should I see an Activated PI3K Delta Syndrome (APDS) doctor near Los Angeles, 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 an Activated PI3K Delta Syndrome (APDS) doctor near Los Angeles, 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 Activated PI3K Delta Syndrome (APDS) doctors near Los Angeles, 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 Activated PI3K Delta Syndrome (APDS) doctors near Los Angeles, 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 an Activated PI3K Delta Syndrome (APDS) doctor near Los Angeles, 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 Activated PI3K Delta Syndrome (APDS) doctor search results page. 

    Why is it important to get a second opinion from a different Activated PI3K Delta Syndrome (APDS) 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 an Activated PI3K Delta Syndrome (APDS) doctor near Los Angeles, 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 Activated PI3K Delta Syndrome (APDS) 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 Activated PI3K Delta Syndrome (APDS) 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 Activated PI3K Delta Syndrome (APDS) doctors near Los Angeles, CA?

    Look for the filter feature on the left side of the Activated PI3K Delta Syndrome (APDS) 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 an Activated PI3K Delta Syndrome (APDS) doctor that offers video calls?

    Look for the filter feature on the left-side of the Activated PI3K Delta Syndrome (APDS) 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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