The 20 Best Activated PI3K Delta Syndrome (APDS) Doctors Near Me in Philadelphia, PA

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

Last Updated: 04/28/2026

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MediFind found 15 doctor with experience in Activated PI3K Delta Syndrome (APDS) near Philadelphia, PA. Of these, 14 are Experienced and 1 are Advanced.

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15 providers found
    Experienced in Activated PI3K Delta Syndrome (APDS)
    Medical Genetics
    Experienced in Activated PI3K Delta Syndrome (APDS)
    Medical Genetics

    St. Christopher's Pediatric Associates Genetics - E. Erie Avenue

    160 E Erie Ave, 
    Philadelphia, PA 
     (4.3 miles away)
    Languages Spoken:
    English

    . Dr. Perszyk is rated as an Experienced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Succinyl-CoA:3-Ketoacid CoA Transferase Deficiency, Maternal Hyperphenylalaninemia, Dihydropteridine Reductase Deficiency, and Mucolipidosis 3. Dr. Perszyk is board certified in American Board Of Medical Genetics And Genomics.

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

    Childrens Health Care Associates Inc

    3401 Civic Ctr Blvd, 
    Philadelphia, PA 
     (1.5 miles away)
    Languages Spoken:
    English

    Can Ficicioglu is a Medical Genetics specialist and a Pediatrics provider practicing medicine in Philadelphia, Pennsylvania. Dr. Ficicioglu is rated as an Experienced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). He is also highly rated in 51 other conditions, according to our data. His clinical expertise encompasses Classic Galactosemia, Mucopolysaccharidosis Type 2 (MPS II, Hunter Syndrome), Urea Cycle Disorders (UCD), and Homocystinuria.

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

    Childrens Health Care Associates Inc

    3401 Civic Ctr Blvd, 
    Philadelphia, PA 
     (1.5 miles away)
    Languages Spoken:
    English

    Kim Ng is a Medical Genetics specialist and a Pediatrics provider practicing medicine in Philadelphia, Pennsylvania. Dr. Ng is rated as an Experienced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). She is also highly rated in 16 other conditions, according to our data. Her clinical expertise encompasses Citrullinemia, Maple Syrup Urine Disease, Beta-Ketothiolase Deficiency, and 3-Hydroxy-3-Methylglutaryl-CoA Lyase Deficiency.

    Learn about our expert tiers
    Experienced in Activated PI3K Delta Syndrome (APDS)
    Experienced in Activated PI3K Delta Syndrome (APDS)
    3401 Civic Center Blvd, 9nw63, 
    Philadelphia, PA 
     (1.6 miles away)
    Languages Spoken:
    English

    Andrew Edmondson is a Pediatrics provider practicing medicine in Philadelphia, Pennsylvania. Dr. Edmondson 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 Micrognathia, Adrenal Insufficiency Pediatric, Hypotonia, and Myhre Syndrome.

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

    Children's Hospital Of Philadelphia

    3401 Civic Center Blvd, 
    Philadelphia, PA 
     (1.6 miles away)
    Languages Spoken:
    English

    Rebecca Ahrens is a Pediatrics provider practicing medicine in Philadelphia, Pennsylvania. Dr. Ahrens is rated as an Experienced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). She is also highly rated in 26 other conditions, according to our data. Her clinical expertise encompasses Multiple Sulfatase Deficiency, Cardiomyopathic Lentiginosis, Chondrodysplasia Punctata with Steroid Sulfatase Deficiency, and RASopathies.

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

    Office

    3401 N Broad St Ste C525, 
    Philadelphia, PA 
     (4.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Terry Heiman is a Neurologist practicing medicine in Philadelphia, Pennsylvania. Dr. Heiman is rated as an Experienced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). She is also highly rated in 46 other conditions, according to our data. Her clinical expertise encompasses Amyotrophic Lateral Sclerosis (ALS or Lou Gehrig's Disease), Primary Lateral Sclerosis, Spinal Muscular Atrophy (SMA), Spinal Muscular Atrophy Type 3, and Gastrostomy.

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

    Office

    825 Old Lancaster Rd Ste 440, 
    Bryn Mawr, PA 
     (10.0 miles away)
    Languages Spoken:
    English

    Sandra Schnall is an Internal Medicine provider practicing medicine in Bryn Mawr, Pennsylvania. Dr. Schnall is rated as an Advanced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). She is also highly rated in 67 other conditions, according to our data. Her clinical expertise encompasses Angiosarcoma, Inflammatory Breast Cancer, Paget Disease of the Breast, Breast Cancer, and Bone Marrow Aspiration.

    Experienced in Activated PI3K Delta Syndrome (APDS)
    Pediatrics | Neonatology
    Experienced in Activated PI3K Delta Syndrome (APDS)
    Pediatrics | Neonatology

    Jefferson Abington Hospital

    1200 Old York Road, 
    Abington, PA 
     (11.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Gerard Cleary is a Neonatologist and a Pediatrics provider practicing medicine in Abington, Pennsylvania. Dr. Cleary is rated as an Experienced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). His clinical expertise encompasses Von Gierke Disease and Activated PI3K Delta Syndrome (APDS). Dr. Cleary is board certified in Pediatrics, Neonatal-Perinatal, Pediatrics, and Neonatology. Dr. Cleary is currently accepting new patients.

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

    Office

    2100 Keystone Ave Ste 502, 
    Drexel Hill, PA 
     (6.2 miles away)
    Languages Spoken:
    English

    Mary Denshaw is an Oncologist practicing medicine in Drexel Hill, Pennsylvania. Dr. Denshaw 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 Atypical Hemolytic Uremic Syndrome (aHUS), Gastroesophageal Junction Cancer, Large-Cell Lung Carcinoma, and ALK-Positive Non-Small Cell Lung Cancer.

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

    Office

    825 Old Lancaster Rd Ste 440, 
    Bryn Mawr, PA 
     (10.0 miles away)
    Languages Spoken:
    English

    John Devlin is an Oncologist practicing medicine in Bryn Mawr, Pennsylvania. Dr. Devlin is rated as an Experienced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). He is also highly rated in 44 other conditions, according to our data. His clinical expertise encompasses Hemochromatosis, Small Cell Lung Cancer (SCLC), Pleuropulmonary Blastoma, Lung Cancer, and Bone Marrow Aspiration.

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

    Office

    825 Old Lancaster Rd Ste 440, 
    Bryn Mawr, PA 
     (10.0 miles away)
    Languages Spoken:
    English

    Sameer Gupta is an Oncologist practicing medicine in Bryn Mawr, Pennsylvania. Dr. Gupta is rated as an Experienced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). He is also highly rated in 51 other conditions, according to our data. His clinical expertise encompasses Non-Hodgkin Lymphoma, Omenn Syndrome, Paget Disease of the Breast, Gallbladder Removal, and Penectomy.

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

    MDVIP - Bryn Mawr, PA

    135 S Bryn Mawr Ave Ste 110, 
    Bryn Mawr, PA 
     (10.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jennifer Claves is a primary care provider, practicing in Internal Medicine in Bryn Mawr, Pennsylvania. Dr. Claves is rated as an Experienced 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 Hyperlipidemia Type 3, Chronic Cough, Vertigo, and Hypothyroidism.

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

    Office

    825 Old Lancaster Rd Ste 440, 
    Bryn Mawr, PA 
     (10.0 miles away)
    Languages Spoken:
    English

    Molly Schachter is a Hematologist practicing medicine in Bryn Mawr, Pennsylvania. Dr. Schachter is rated as an Experienced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). She is also highly rated in 27 other conditions, according to our data. Her clinical expertise encompasses Colorectal Cancer, Paget Disease of the Breast, Familial Colorectal Cancer, and Childhood Iron Deficiency Anemia.

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

    Brian Crispell DPM

    1078 W Baltimore Pike, 
    Media, PA 
     (14.5 miles away)
    Experience:
    10+ years
    Languages Spoken:
    English

    Eric Fox is an Internal Medicine provider practicing medicine in Media, Pennsylvania. He has been practicing medicine for over 10 years. Dr. Fox is rated as an Experienced provider by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Childhood Iron Deficiency Anemia, Iron Deficiency Anemia, RUNX1 Familial Platelet Disorder, and Paris-Trousseau Thrombocytopenia.

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

    Jon Yardney M.D. LLC

    241 Conestoga Rd Ste B, 
    Wayne, PA 
     (14.7 miles away)
    Languages Spoken:
    English

    Pamela Nagy is a primary care provider, practicing in Internal Medicine in Wayne, Pennsylvania. Dr. Nagy 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 Sitosterolemia, High Cholesterol, Osteoporosis, and Postmenopausal Osteoporosis.

    Showing 1-15 of 15

    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 Philadelphia, PA?

    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 Philadelphia, PA?

    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 Philadelphia, PA?

    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 Philadelphia, PA?

    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 Philadelphia, PA?

    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 Philadelphia, PA?

    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 Philadelphia, PA?

    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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