The 20 Best Activated PI3K Delta Syndrome (APDS) Doctors in The United Kingdom

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

Last Updated: 06/30/2026

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MediFind found 53 doctor with experience in Activated PI3K Delta Syndrome (APDS) near The United Kingdom. Of these, 41 are Experienced, 9 are Advanced and 3 are Distinguished.

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53 providers found
    Distinguished in Activated PI3K Delta Syndrome (APDS)

    John D. Whalen
    Distinguished in Activated PI3K Delta Syndrome (APDS)

    John D. Whalen
    Referral may be required
    Slough, ENG, GB 

    John Whalen practices practicing medicine in Slough, United Kingdom. Mr. Whalen is rated as a Distinguished expert 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 Activated PI3K Delta Syndrome (APDS), Spasticity, Primary Immunodeficiency (PID), and Fibrodysplasia Ossificans Progressiva.

    Distinguished in Activated PI3K Delta Syndrome (APDS)

    Alison M. Condliffe
    Distinguished in Activated PI3K Delta Syndrome (APDS)

    Alison M. Condliffe
    Referral may be required
    Sheffield, ENG, GB 

    Alison Condliffe practices practicing medicine in Sheffield, United Kingdom. Ms. Condliffe is rated as a Distinguished expert 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), Primary Immunodeficiency (PID), Common Variable Immune Deficiency, and Empyema.

    Distinguished in Activated PI3K Delta Syndrome (APDS)

    Andrew J. Cant
    Distinguished in Activated PI3K Delta Syndrome (APDS)

    Andrew J. Cant
    Referral may be required
    Newcastle Upon Tyne, ENG, GB 

    Andrew Cant practices practicing medicine in Newcastle Upon Tyne, United Kingdom. Mr. Cant is rated as a Distinguished expert 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 Primary Immunodeficiency (PID), Severe Combined Immunodeficiency (SCID), ZAP70-Related Severe Combined Immunodeficiency, Chronic Granulomatous Disease, and Bone Marrow Transplant.

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

    Tanya I. Coulter
    Advanced in Activated PI3K Delta Syndrome (APDS)

    Tanya I. Coulter
    Referral may be required
    Belfast, NIR, GB 

    Tanya Coulter practices practicing medicine in Belfast, United Kingdom. Ms. Coulter is rated as an Advanced expert 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 Lymphoid Hyperplasia, Activated PI3K Delta Syndrome (APDS), X-Linked Agammaglobulinemia, and Primary Immunodeficiency (PID).

    Advanced in Activated PI3K Delta Syndrome (APDS)

    Eduardo Granados-Lopez
    Advanced in Activated PI3K Delta Syndrome (APDS)

    Eduardo Granados-Lopez
    Referral may be required
    Headley Way, 
    Oxford, ENG, GB 

    Eduardo Granados-Lopez practices practicing medicine in Oxford, United Kingdom. Mr. Granados-Lopez is rated as an Advanced expert by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Primary Immunodeficiency (PID), Common Variable Immune Deficiency, Activated PI3K Delta Syndrome (APDS), Bone Marrow Transplant, and Liver Transplant.

    Advanced in Activated PI3K Delta Syndrome (APDS)

    Sergey Nejentsev
    Advanced in Activated PI3K Delta Syndrome (APDS)

    Sergey Nejentsev
    Referral may be required
    Cambridge, ENG, GB 

    Sergey Nejentsev practices practicing medicine in Cambridge, United Kingdom. Mr. Nejentsev is rated as an Advanced expert 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 Lymphoid Hyperplasia, Activated PI3K Delta Syndrome (APDS), Ciliary Dyskinesia-Bronchiectasis, and Lymphofollicular Hyperplasia.

    Advanced in Activated PI3K Delta Syndrome (APDS)

    Mary A. Slatter
    Advanced in Activated PI3K Delta Syndrome (APDS)

    Mary A. Slatter
    Referral may be required
    Newcastle Upon Tyne, ENG, GB 

    Mary Slatter practices practicing medicine in Newcastle Upon Tyne, United Kingdom. Ms. Slatter is rated as an Advanced expert by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). She is also highly rated in 18 other conditions, according to our data. Her clinical expertise encompasses Primary Immunodeficiency (PID), Severe Combined Immunodeficiency (SCID), Chronic Granulomatous Disease, Bone Marrow Transplant, and Bone Graft.

    Advanced in Activated PI3K Delta Syndrome (APDS)

    Klaus Okkenhaug
    Advanced in Activated PI3K Delta Syndrome (APDS)

    Klaus Okkenhaug
    Referral may be required
    Robinson Way, 
    Cambridge, ENG, GB 

    Klaus Okkenhaug practices practicing medicine in Cambridge, United Kingdom. Mr. Okkenhaug is rated as an Advanced expert 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 Lymphoid Hyperplasia, Activated PI3K Delta Syndrome (APDS), Lymphofollicular Hyperplasia, and Primary Immunodeficiency (PID).

    Advanced in Activated PI3K Delta Syndrome (APDS)

    Austen J. Worth
    Advanced in Activated PI3K Delta Syndrome (APDS)

    Austen J. Worth
    Referral may be required
    Great Ormond Street Hospital For Children, 
    London, ENG, GB 

    Austen Worth practices practicing medicine in London, United Kingdom. Mr. Worth is rated as an Advanced expert by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Congenital Athymia, Autosomal Dominant Hyper IgE Syndrome, Hyper IgE Syndrome, Bone Marrow Transplant, and Splenectomy.

    Advanced in Activated PI3K Delta Syndrome (APDS)

    Siobhan O. Burns
    Advanced in Activated PI3K Delta Syndrome (APDS)

    Siobhan O. Burns
    Referral may be required
    Euston Road, 
    London, ENG, GB 

    Siobhan Burns practices practicing medicine in London, United Kingdom. Ms. Burns is rated as an Advanced expert by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). She is also highly rated in 12 other conditions, according to our data. Her clinical expertise encompasses Common Variable Immune Deficiency, Primary Immunodeficiency (PID), Wiskott-Aldrich Syndrome, Bone Marrow Transplant, and Splenectomy.

    Advanced in Activated PI3K Delta Syndrome (APDS)

    Annabel M. Griffiths
    Advanced in Activated PI3K Delta Syndrome (APDS)

    Annabel M. Griffiths
    Referral may be required
    Manchester, ENG, GB 

    Annabel Griffiths practices practicing medicine in Manchester, United Kingdom. Ms. Griffiths is rated as an Advanced expert 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), CLN4 Disease, CLN1 Disease, and CLN5 Disease.

    Advanced in Activated PI3K Delta Syndrome (APDS)

    Stephen A. Jolles
    Advanced in Activated PI3K Delta Syndrome (APDS)

    Stephen A. Jolles
    Referral may be required
    Heath Park, 
    Cardiff, WLS, GB 

    Stephen Jolles practices practicing medicine in Cardiff, United Kingdom. Mr. Jolles is rated as an Advanced expert 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 Secondary Immunodeficiency (SID), Primary Immunodeficiency (PID), Common Variable Immune Deficiency, X-Linked Agammaglobulinemia, and Bone Marrow Transplant.

    Experienced in Activated PI3K Delta Syndrome (APDS)

    Andrew R. Gennery
    Experienced in Activated PI3K Delta Syndrome (APDS)

    Andrew R. Gennery
    Referral may be required
    Queen Victoria Road, 
    Newcastle Upon Tyne, ENG, GB 

    Andrew Gennery practices practicing medicine in Newcastle Upon Tyne, United Kingdom. Mr. Gennery is rated as an Experienced expert 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 Severe Combined Immunodeficiency (SCID), Primary Immunodeficiency (PID), Chronic Granulomatous Disease, Bone Marrow Transplant, and Heart Transplant.

    Experienced in Activated PI3K Delta Syndrome (APDS)

    Saul N. Faust
    Experienced in Activated PI3K Delta Syndrome (APDS)

    Saul N. Faust
    Referral may be required
    Southampton, ENG, GB 

    Saul Faust practices practicing medicine in Southampton, United Kingdom. Mr. Faust is rated as an Experienced expert by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Strep Throat, Severe Acute Respiratory Syndrome (SARS), Meningitis, and COVID-19.

    Experienced in Activated PI3K Delta Syndrome (APDS)

    William M. Rae
    Experienced in Activated PI3K Delta Syndrome (APDS)

    William M. Rae
    Referral may be required
    Cambridge, ENG, GB 

    William Rae practices practicing medicine in Cambridge, United Kingdom. Mr. Rae is rated as an Experienced expert 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 Primary Immunodeficiency (PID), Activated PI3K Delta Syndrome (APDS), Autosomal Dominant Hyper IgE Syndrome, and Hyper IgE Syndrome.

    Experienced in Activated PI3K Delta Syndrome (APDS)

    Zohreh Nademi
    Experienced in Activated PI3K Delta Syndrome (APDS)

    Zohreh Nademi
    Referral may be required
    Newcastle Upon Tyne, ENG, GB 

    Zohreh Nademi practices practicing medicine in Newcastle Upon Tyne, United Kingdom. Nademi is rated as an Experienced expert by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). They are also highly rated in 8 other conditions, according to our data. Their clinical expertise encompasses Primary Immunodeficiency (PID), Severe Combined Immunodeficiency (SCID), ZAP70-Related Severe Combined Immunodeficiency, IPEX Syndrome, and Bone Marrow Transplant.

    Experienced in Activated PI3K Delta Syndrome (APDS)

    Anthony P. Williams
    Experienced in Activated PI3K Delta Syndrome (APDS)

    Anthony P. Williams
    Referral may be required
    London, ENG, GB 

    Anthony Williams practices practicing medicine in London, United Kingdom. Mr. Williams is rated as an Experienced expert 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 Secondary Immunodeficiency (SID), Primary Immunodeficiency (PID), Activated PI3K Delta Syndrome (APDS), Post-Splenectomy Syndrome, and Splenectomy.

    Experienced in Activated PI3K Delta Syndrome (APDS)

    Kanchan R. Rao
    Experienced in Activated PI3K Delta Syndrome (APDS)

    Kanchan R. Rao
    Referral may be required
    Newcastle Upon Tyne, ENG, GB 

    Kanchan Rao practices practicing medicine in Newcastle Upon Tyne, United Kingdom. Ms. Rao is rated as an Experienced expert by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Hemophagocytic Lymphohistiocytosis, Primary Immunodeficiency (PID), Non-Langerhans-Cell Histiocytosis, Bone Marrow Transplant, and Bone Graft.

    Experienced in Activated PI3K Delta Syndrome (APDS)

    David M. Edgar
    Experienced in Activated PI3K Delta Syndrome (APDS)

    David M. Edgar
    Referral may be required
    Belfast, NIR, GB 

    David Edgar practices practicing medicine in Belfast, United Kingdom. Mr. Edgar is rated as an Experienced expert 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 Immunodeficiency with Hyper IgM Type 1, Secondary Immunodeficiency (SID), Activated PI3K Delta Syndrome (APDS), Primary Immunodeficiency (PID), and Bone Marrow Transplant.

    Experienced in Activated PI3K Delta Syndrome (APDS)

    Edward J. Hall-Banham
    Experienced in Activated PI3K Delta Syndrome (APDS)

    Edward J. Hall-Banham
    Referral may be required
    London, ENG, GB 

    Edward Hall-Banham practices practicing medicine in London, United Kingdom. Mr. Hall-Banham is rated as an Experienced expert by MediFind in the treatment of Activated PI3K Delta Syndrome (APDS). His clinical expertise encompasses Activated PI3K Delta Syndrome (APDS) and Severe Acute Respiratory Syndrome (SARS).

    While we make every effort to provide the best results possible, data is currently limited outside of the United States. Doctors listed may include both clinicians and researchers, and individuals relocate frequently. We recommend contacting doctors directly to confirm their location and areas of focus. Contact information is provided when available. Learn more about our expert tiers.
    Showing 1-20 of 53

    Last Updated: 06/30/2026

    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 in The United Kingdom?

    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 in The United Kingdom?

    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 do I find the best Activated PI3K Delta Syndrome (APDS) doctor in The United Kingdom?

    You can find an Activated PI3K Delta Syndrome (APDS) doctor in any of the 10 largest U.S. cities by clicking below:

    Activated PI3K Delta Syndrome (APDS) doctor near New York, NY
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    Activated PI3K Delta Syndrome (APDS) doctor near San Jose, CA

    How does MediFind rank Activated PI3K Delta Syndrome (APDS) doctors in The United Kingdom?

    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 in The United Kingdom?

    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 in The United Kingdom?

    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 in The United Kingdom?

    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 in The United Kingdom?

    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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