The 20 Best Activated PI3K Delta Syndrome (APDS) Doctors Near Me in Brooklyn, NY

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

Last Updated: 04/28/2026

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MediFind found 55 doctor with experience in Activated PI3K Delta Syndrome (APDS) near Brooklyn, NY. Of these, 43 are Experienced, 10 are Advanced and 2 are Distinguished.

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55 providers found
    Distinguished in Activated PI3K Delta Syndrome (APDS)
    Endocrinology
    Distinguished in Activated PI3K Delta Syndrome (APDS)
    Endocrinology

    Office

    9725 63rd Dr, 
    Rego Park, NY 
     (5.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Stella Ilyayeva is an Endocrinologist practicing medicine in Rego Park, New York. Dr. Ilyayeva is rated as a Distinguished 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 Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Hashimoto Thyroiditis, Thyroid Storm, and Thyroidectomy.

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

    Office

    26 Court St Ste 309, 
    Brooklyn, NY 
     (2.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Elizabeth Schwartzburt is a primary care provider, practicing in Family Medicine in Brooklyn, New York. Dr. Schwartzburt is rated as an Advanced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). She is also highly rated in 23 other conditions, according to our data. Her clinical expertise encompasses Activated PI3K Delta Syndrome (APDS), Holocarboxylase Synthetase Deficiency, ZAP70-Related Severe Combined Immunodeficiency, and Herpetic Stomatitis.

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

    Office

    656 Pennsylvania Ave, 
    Brooklyn, NY 
     (2.9 miles away)
    Languages Spoken:
    English

    Emmanuel Fashakin is a primary care provider, practicing in Family Medicine in Brooklyn, New York. Dr. Fashakin is rated as an Advanced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). He is also highly rated in 46 other conditions, according to our data. His clinical expertise encompasses Osteomyelitis in Children, Syphilis, Gonorrhea, and Obesity in Children.

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

    Office

    1048 49th St, 
    Brooklyn, NY 
     (3.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Moshe Kerstein is an Internal Medicine provider practicing medicine in Brooklyn, New York. Dr. Kerstein is rated as an Advanced 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 Obstructive Sleep Apnea, Activated PI3K Delta Syndrome (APDS), Chronic Cough, Vertigo, and Gastrostomy.

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

    Office

    4032 74th St, 
    Elmhurst, NY 
     (5.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Mohammed Rahman is an Internal Medicine provider practicing medicine in Elmhurst, New York. Dr. Rahman is rated as a Distinguished provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Activated PI3K Delta Syndrome (APDS), Vitamin D Deficiency, Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), and Noma.

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

    Nathalia Idelevitch Medical Office PC

    3048 Brighton 1st St Ste 2, 
    Brooklyn, NY 
     (6.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Nathalia Idelevitch is a primary care provider, practicing in Family Medicine in Brooklyn, New York. Dr. Idelevitch is rated as an Advanced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Holocarboxylase Synthetase Deficiency, ZAP70-Related Severe Combined Immunodeficiency, Activated PI3K Delta Syndrome (APDS), and Multiple Carboxylase Deficiency.

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

    Eric Dessner MD PC

    1423 Bedford Ave, 
    Brooklyn, NY 
     (0.6 miles away)
    Languages Spoken:
    English

    Adebola Orafidiya is a primary care provider, practicing in Internal Medicine in Brooklyn, New York. Dr. Orafidiya is rated as an Experienced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Hypertension, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Gastrostomy, and Endoscopy.

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

    Oda Primary Health Care Network Inc.

    779 E New York Ave, 
    Brooklyn, NY 
     (1.1 miles away)
    Languages Spoken:
    English

    Faraj Samra is a primary care provider, practicing in Internal Medicine in Brooklyn, New York. Dr. Samra is rated as an Experienced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). He is also highly rated in 24 other conditions, according to our data. His clinical expertise encompasses Familial Hypertension, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Cirrhosis.

    Experienced in Activated PI3K Delta Syndrome (APDS)
    Infectious Disease
    Experienced in Activated PI3K Delta Syndrome (APDS)
    Infectious Disease

    Brooklyn Womens Healthcare MDS PC

    110 4th Ave, 
    Brooklyn, NY 
     (1.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Larisa Litvinova is an Infectious Disease provider practicing medicine in Brooklyn, New York. Dr. Litvinova is rated as an Experienced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). Her clinical expertise encompasses Activated PI3K Delta Syndrome (APDS), Vitamin B12 Deficiency, Multisystem Inflammatory Syndrome in Children (MIS-C), and COVID-19.

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

    Bedford Medical Family Health Center

    100 Ross St, 
    Brooklyn, NY 
     (2.0 miles away)
    Languages Spoken:
    English

    Angela Davydov is a Pediatrics provider practicing medicine in Brooklyn, New York. Dr. Davydov 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 Obesity in Children, Chickenpox, Aseptic and Alopecic Nodules of Scalp (AANS), and Delayed Growth.

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

    Bakir Altai MD

    362 9th St, 
    Brooklyn, NY 
     (2.2 miles away)
    Languages Spoken:
    English

    Jorge Serje is a primary care provider, practicing in Family Medicine in Brooklyn, New York. Dr. Serje is rated as an Experienced 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 Gastroparesis, Familial Hypertriglyceridemia, Hypertensive Heart Disease, High Cholesterol, and Cardiac Ablation.

    Experienced in Activated PI3K Delta Syndrome (APDS)
    Neurology
    Experienced in Activated PI3K Delta Syndrome (APDS)
    Neurology

    Nyu Langone Health-Perlmutter Cancer Center-Cobble Hill

    70 Atlantic Ave Fl 4, 
    Brooklyn, NY 
     (2.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Alla Mesh is a Neurologist practicing medicine in Brooklyn, New York. Dr. Mesh is rated as an Experienced 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 Migraine, Cluster Headache, Myositis, and Macrophagic Myofasciitis.

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

    JSJ Medical Group PC

    1509 Rockaway Pkwy, 
    Brooklyn, NY 
     (3.3 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Keisha Sinha is a primary care provider, practicing in Internal Medicine in Brooklyn, New York. Dr. Sinha is rated as an Experienced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). She is also highly rated in 15 other conditions, according to our data. Her clinical expertise encompasses Peripheral Artery Disease, Vitamin D Deficiency, Vertigo, and Cerebral Autosomal Dominant Arteriopathy with Subcortical Infarcts and Leukoencephalopathy.

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

    JSJ Medical Group PC

    1509 Rockaway Pkwy, 
    Brooklyn, NY 
     (3.3 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Mark Joseph is a primary care provider, practicing in Internal Medicine in Brooklyn, New York. Dr. Joseph 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 Vitamin D Deficiency, Vertigo, Peripheral Artery Disease, and Vitamin B12 Deficiency.

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

    Chang Jonathan Maung Tin Physician PC

    5303 8th Ave, 
    Brooklyn, NY 
     (4.2 miles away)
    Languages Spoken:
    English

    Jonathan Tin Chang is a primary care provider, practicing in Family Medicine in Brooklyn, New York. Dr. Tin Chang is rated as an Experienced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). He is also highly rated in 75 other conditions, according to our data. His clinical expertise encompasses Peptic Ulcer, High Cholesterol, Cellulitis, and Necrosis.

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

    Office

    1705 E 17th St, 
    Brooklyn, NY 
     (4.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Rimma Gelbert is a primary care provider, practicing in Family Medicine in Brooklyn, New York. Dr. Gelbert is rated as an Experienced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). She is also highly rated in 33 other conditions, according to our data. Her clinical expertise encompasses Congenital Sucrase-Isomaltase Deficiency, Glucose Phosphate Isomerase Deficiency, Glucose-Galactose Malabsorption Deficiency, and Vitamin B12 Deficiency.

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

    Alexander Merson M.D. PLLC

    2379 65th St, 
    Brooklyn, NY 
     (4.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Alexander Merson is an Internal Medicine provider practicing medicine in Brooklyn, New York. Dr. Merson is rated as an Experienced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Vitamin D Deficiency, Activated PI3K Delta Syndrome (APDS), Anemia, and Muscle Spasms.

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

    Office

    10555 62nd Dr Ste 1H, 
    Forest Hills, NY 
     (5.9 miles away)
    Languages Spoken:
    English

    Rakesh Gupta is a primary care provider, practicing in Gastroenterologist in Forest Hills, New York. Dr. Gupta 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 Vitamin B12 Deficiency, Cysticercosis, Activated PI3K Delta Syndrome (APDS), Osteotomy, and Gallbladder Removal.

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

    Office

    899 Park Ave, 
    New York, NY 
     (6.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Margaret Kearns is a primary care provider, practicing in Family Medicine in New York, New York. Dr. Kearns 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 Sitosterolemia, Activated PI3K Delta Syndrome (APDS), Insomnia, and High Cholesterol.

    Advanced in Activated PI3K Delta Syndrome (APDS)
    Medical Genetics | Pediatrics
    Advanced in Activated PI3K Delta Syndrome (APDS)
    Medical Genetics | Pediatrics

    Icahn School Of Medicine At Mount Sinai

    1428 Madison Ave, 
    New York, NY 
     (7.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Margo Breilyn is a Medical Genetics specialist and a Pediatrics provider practicing medicine in New York, New York. Dr. Breilyn is rated as an Advanced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). She is also highly rated in 42 other conditions, according to our data. Her clinical expertise encompasses Urea Cycle Disorders (UCD), Ornithine Transcarbamylase Deficiency, Short-Chain Acyl-CoA Dehydrogenase Deficiency, and Phenylketonuria (PKU).

    Showing 1-20 of 55

    Last Updated: 04/28/2026

    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 Brooklyn, NY?

    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 Brooklyn, NY?

    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 Brooklyn, NY?

    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 Brooklyn, NY?

    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 Brooklyn, NY?

    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 Brooklyn, NY?

    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 Brooklyn, NY?

    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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