The 20 Best X-Linked Agammaglobulinemia Doctors Near Me in Colorado, US

Find the Top X-Linked Agammaglobulinemia Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 16 doctor with experience in X-Linked Agammaglobulinemia near Colorado, US. Of these, 12 are Experienced and 4 are Advanced.

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16 providers found
    Advanced in X-Linked Agammaglobulinemia
    Allergy and Immunology
    Advanced in X-Linked Agammaglobulinemia
    Allergy and Immunology

    Veros Health

    1551 Professional Lane, Suite 170, 
    Longmont, CO 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Isaac Melamed is an Allergy and Immunologist practicing medicine in Longmont, Colorado. Dr. Melamed is rated as an Advanced provider by MediFind in the treatment of X-Linked Agammaglobulinemia. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Primary Immunodeficiency (PID), Common Variable Immune Deficiency, Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcus Infections, and Hereditary Angioedema. Dr. Melamed is board certified in American Board Of Allergy And Immunology. Dr. Melamed is currently accepting new patients.

    Advanced in X-Linked Agammaglobulinemia
    Hematology
    Advanced in X-Linked Agammaglobulinemia
    Hematology

    Rocky Mountain Cancer Centers

    4715 Arapahoe Ave, 
    Boulder, CO 
    Languages Spoken:
    English
    Accepting New Patients

    Leslie Busby is a Hematologist practicing medicine in Boulder, Colorado. Dr. Busby is rated as an Advanced provider by MediFind in the treatment of X-Linked Agammaglobulinemia. He is also highly rated in 56 other conditions, according to our data. His clinical expertise encompasses Familial Colorectal Cancer, Adult Soft Tissue Sarcoma, Bone Tumor, Thrombectomy, and Bone Marrow Aspiration. Dr. Busby is board certified in American Board Of Internal Medicine. Dr. Busby is currently accepting new patients.

    Experienced in X-Linked Agammaglobulinemia
    Hematology Oncology | Hematology | Oncology
    Experienced in X-Linked Agammaglobulinemia
    Hematology Oncology | Hematology | Oncology

    Good Samaritan Hospital - Cancer Centers Of Colorado

    340 Exempla Circle, 
    Lafayette, CO 
    Experience:
    14+ years
    Languages Spoken:
    English
    Offers Telehealth

    Anthony Accurso is a Hematologist Oncology specialist and a Hematologist practicing medicine in Lafayette, Colorado. He has been practicing medicine for over 14 years. Dr. Accurso is rated as an Experienced provider by MediFind in the treatment of X-Linked Agammaglobulinemia. He is also highly rated in 40 other conditions, according to our data. His clinical expertise encompasses Chronic Lymphocytic Leukemia (CLL), Richter Syndrome, Large-Cell Immunoblastic Lymphoma, Acute Lymphoblastic Leukemia (ALL), and Bone Marrow Aspiration. Dr. Accurso is board certified in American Board Of Internal Medicine and American Board Of Internal Medicine.

    Learn about our expert tiers
    Experienced in X-Linked Agammaglobulinemia
    Allergy and Immunology | Pediatrics
    Experienced in X-Linked Agammaglobulinemia
    Allergy and Immunology | Pediatrics

    Boulder Medical Center

    2750 Broadway St, Urology, 
    Boulder, CO 
    Languages Spoken:
    English
    Accepting New Patients

    Katherine Mccormack is a Pediatrics specialist and an Allergy and Immunologist practicing medicine in Boulder, Colorado. Dr. Mccormack is rated as an Experienced provider by MediFind in the treatment of X-Linked Agammaglobulinemia. She is also highly rated in 12 other conditions, according to our data. Her clinical expertise encompasses Grass Allergy, Allergic Rhinitis, Sinusitis, and Chronic Spontaneous Urticaria (CSU). Dr. Mccormack is board certified in Pediatrics-American Board Of Pediatrics (ABP) and Allergy & Immunology-American Board Of Allergy & Immunology (ABAI). Dr. Mccormack is currently accepting new patients.

    Experienced in X-Linked Agammaglobulinemia
    Experienced in X-Linked Agammaglobulinemia

    Rocky Mountain Cancer Centers

    10107 Ridgegate Pkwy Ste 200, 
    Littleton, CO 
    Languages Spoken:
    English
    Accepting New Patients

    Robert Jotte is an Oncologist practicing medicine in Littleton, Colorado. Dr. Jotte is rated as an Experienced provider by MediFind in the treatment of X-Linked Agammaglobulinemia. He is also highly rated in 79 other conditions, according to our data. His clinical expertise encompasses Lung Cancer, Non-Small Cell Lung Cancer (NSCLC), Small Cell Lung Cancer (SCLC), and Pleuropulmonary Blastoma. Dr. Jotte is board certified in American Board Of Internal Medicine. Dr. Jotte is currently accepting new patients.

    Experienced in X-Linked Agammaglobulinemia
    Experienced in X-Linked Agammaglobulinemia

    Rocky Mountain Cancer Centers LLP

    4715 Arapahoe Ave, 
    Boulder, CO 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    David Andorsky is an Oncologist practicing medicine in Boulder, Colorado. Dr. Andorsky is rated as an Experienced provider by MediFind in the treatment of X-Linked Agammaglobulinemia. He is also highly rated in 65 other conditions, according to our data. His clinical expertise encompasses Follicular Lymphoma, Chronic B-Cell Leukemia (CBCL), Chronic Lymphocytic Leukemia (CLL), and Richter Syndrome. Dr. Andorsky is board certified in Internal Medicine-American Board Of Internal Medicine (ABIM), Medical Oncology-American Board Of Internal Medicine (ABIM), and Hematology-American Board Of Internal Medicine (ABIM). Dr. Andorsky is currently accepting new patients.

    Experienced in X-Linked Agammaglobulinemia
    Experienced in X-Linked Agammaglobulinemia

    Rocky Mountain Cancer Centers

    4715 Arapahoe Ave, 
    Boulder, CO 
    Languages Spoken:
    English
    Accepting New Patients

    Mark Sitarik is an Oncologist practicing medicine in Boulder, Colorado. Dr. Sitarik is rated as an Experienced provider by MediFind in the treatment of X-Linked Agammaglobulinemia. He is also highly rated in 62 other conditions, according to our data. His clinical expertise encompasses Von Willebrand Disease (VWD), Heyde Syndrome, Paget Disease of the Breast, and Breast Cancer. Dr. Sitarik is board certified in American Board Of Internal Medicine. Dr. Sitarik is currently accepting new patients.

    Experienced in X-Linked Agammaglobulinemia
    Experienced in X-Linked Agammaglobulinemia

    Rocky Mountain Cancer Centers

    4715 Arapahoe Ave, 
    Boulder, CO 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Gregory Britt is a Hematologist practicing medicine in Boulder, Colorado. Dr. Britt is rated as an Experienced provider by MediFind in the treatment of X-Linked Agammaglobulinemia. He is also highly rated in 42 other conditions, according to our data. His clinical expertise encompasses Hodgkin Lymphoma, Acute Mountain Sickness, Adult Soft Tissue Sarcoma, and Childhood Iron Deficiency Anemia. Dr. Britt is board certified in American Board Of Internal Medicine. Dr. Britt is currently accepting new patients.

    Advanced in X-Linked Agammaglobulinemia
    Pediatric Allergy and Immunology
    Advanced in X-Linked Agammaglobulinemia
    Pediatric Allergy and Immunology

    Allergy & Asthma Care And Prevention Center

    10099 Ridgegate Pkwy Ste 400, 
    Lone Tree, CO 
    Languages Spoken:
    English
    Offers Telehealth

    Lora Stewart is a Pediatric Allergy and Immunologist practicing medicine in Lone Tree, Colorado. Dr. Stewart is rated as an Advanced provider by MediFind in the treatment of X-Linked Agammaglobulinemia. She is also highly rated in 12 other conditions, according to our data. Her clinical expertise encompasses Sinusitis, Allergic Rhinitis, Grass Allergy, and Hives.

    Advanced in X-Linked Agammaglobulinemia
    Advanced in X-Linked Agammaglobulinemia

    AdventHealth Hematology And Oncology Castle Rock

    2360 Meadows Blvd Ste 300, 
    Castle Rock, CO 
    Languages Spoken:
    English

    Scott Herbert is an Oncologist practicing medicine in Castle Rock, Colorado. Dr. Herbert is rated as an Advanced provider by MediFind in the treatment of X-Linked Agammaglobulinemia. He is also highly rated in 41 other conditions, according to our data. His clinical expertise encompasses Chronic Lymphocytic Leukemia (CLL), Familial Colorectal Cancer, Large-Cell Immunoblastic Lymphoma, and Colorectal Cancer.

    Experienced in X-Linked Agammaglobulinemia
    Allergy and Immunology | Pediatrics | Pediatric Allergy and Immunology
    Experienced in X-Linked Agammaglobulinemia
    Allergy and Immunology | Pediatrics | Pediatric Allergy and Immunology

    Lone Tree Medical Offices

    10240 Park Meadows Dr, 
    Lone Tree, CO 
    Languages Spoken:
    English
    Accepting New Patients

    Jason Catanzaro is a Pediatrics specialist and a Pediatric Allergy and Immunologist practicing medicine in Lone Tree, Colorado. Dr. Catanzaro is rated as an Experienced provider by MediFind in the treatment of X-Linked Agammaglobulinemia. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Common Variable Immune Deficiency, Multisystem Inflammatory Syndrome in Children (MIS-C), X-Linked Agammaglobulinemia, and Primary Immunodeficiency (PID). Dr. Catanzaro is currently accepting new patients.

    Experienced in X-Linked Agammaglobulinemia
    Pediatrics
    Experienced in X-Linked Agammaglobulinemia
    Pediatrics

    National Jewish Health

    1400 Jackson St, 
    Denver, CO 
    Languages Spoken:
    English

    Carah Santos is a Pediatrics provider practicing medicine in Denver, Colorado. Dr. Santos is rated as an Experienced provider by MediFind in the treatment of X-Linked Agammaglobulinemia. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Asthma, Anaphylaxis, Asthma in Children, and Hives.

    Experienced in X-Linked Agammaglobulinemia
    Allergy and Immunology
    Experienced in X-Linked Agammaglobulinemia
    Allergy and Immunology

    Children's Hospital Colorado

    13123 E 16th Ave, 
    Aurora, CO 
    Languages Spoken:
    English

    Matthew Greenhawt is an Allergy and Immunologist practicing medicine in Aurora, Colorado. Dr. Greenhawt is rated as an Experienced provider by MediFind in the treatment of X-Linked Agammaglobulinemia. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Anaphylaxis, Food Allergy, Asthma, and Esophagitis.

    Experienced in X-Linked Agammaglobulinemia
    Internal Medicine
    Experienced in X-Linked Agammaglobulinemia
    Internal Medicine

    National Jewish Health

    1400 Jackson St, 
    Denver, CO 
    Languages Spoken:
    English
    Offers Telehealth

    Jessica Swafford is an Internal Medicine provider practicing medicine in Denver, Colorado. Dr. Swafford is rated as an Experienced provider by MediFind in the treatment of X-Linked Agammaglobulinemia. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Mast Cell Activation Syndrome (MCAS), Common Variable Immune Deficiency, Primary Immunodeficiency (PID), and Grass Allergy.

    Experienced in X-Linked Agammaglobulinemia
    Rheumatology | Allergy and Immunology
    Experienced in X-Linked Agammaglobulinemia
    Rheumatology | Allergy and Immunology

    CPMG/Kaiser Permanente Regional

    10350 East Dakota Avenue, 
    Denver, CO 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Tho Truong is a Rheumatologist and an Allergy and Immunologist practicing medicine in Denver, Colorado. Dr. Truong is rated as an Experienced provider by MediFind in the treatment of X-Linked Agammaglobulinemia. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Rheumatoid Arthritis (RA), Common Variable Immune Deficiency, Asthma in Children, and Asthma. Dr. Truong is currently accepting new patients.

    Experienced in X-Linked Agammaglobulinemia
    Experienced in X-Linked Agammaglobulinemia

    Children's Hospital Colorado

    13123 E 16th Ave, 
    Aurora, CO 
    Languages Spoken:
    English

    Cullen Dutmer is a Pediatrics provider practicing medicine in Aurora, Colorado. Dr. Dutmer is rated as an Experienced provider by MediFind in the treatment of X-Linked Agammaglobulinemia. His clinical expertise encompasses Infantile Neutropenia, X-Linked Agammaglobulinemia, Food Allergy, and Activated PI3K Delta Syndrome (APDS).

    Showing 1-16 of 16

    Last Updated: 04/28/2026

    What is the definition of X-Linked Agammaglobulinemia?

    X-linked agammaglobulinemia (XLA) is a condition that affects the immune system and occurs almost exclusively in males. It is part of a group of disorders called primary immunodeficiencies (or inborn errors of immunity), in which part of the immune system does not function as it should. People with XLA have very few B cells, which are specialized white blood cells that help protect the body against infection. B cells can mature into the cells that produce special proteins called antibodies or immunoglobulins. Antibodies attach to specific foreign particles and germs, marking them for destruction. Individuals with XLA are more susceptible to infections because their body makes very few antibodies.

    When should I see a X-Linked Agammaglobulinemia doctor in Colorado, US?

    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 X-Linked Agammaglobulinemia doctor in Colorado, US?

    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 X-Linked Agammaglobulinemia doctors in Colorado, US?

    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 X-Linked Agammaglobulinemia doctors in Colorado, US?

    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 X-Linked Agammaglobulinemia doctor in Colorado, US?

    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 X-Linked Agammaglobulinemia doctor search results page. 

    Why is it important to get a second opinion from a different X-Linked Agammaglobulinemia 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 X-Linked Agammaglobulinemia doctor in Colorado, US?

    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 X-Linked Agammaglobulinemia 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 X-Linked Agammaglobulinemia 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 X-Linked Agammaglobulinemia doctors in Colorado, US?

    Look for the filter feature on the left side of the X-Linked Agammaglobulinemia 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 X-Linked Agammaglobulinemia doctor that offers video calls?

    Look for the filter feature on the left-side of the X-Linked Agammaglobulinemia 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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