The 20 Best Common Variable Immune Deficiency Doctors Near Me in Longmont, CO

Find the Top Common Variable Immune Deficiency Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 15 doctor with experience in Common Variable Immune Deficiency near Longmont, CO. Of these, 11 are Experienced, 3 are Advanced and 1 are Distinguished.

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15 providers found
    Distinguished in Common Variable Immune Deficiency
    Allergy and Immunology
    Distinguished in Common Variable Immune Deficiency
    Allergy and Immunology

    Veros Health

    1551 Professional Lane, Suite 170, 
    Longmont, CO 
     (1.9 miles away)
    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 a Distinguished provider by MediFind in the treatment of Common Variable Immune Deficiency. 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 Common Variable Immune Deficiency
    Allergy and Immunology
    Advanced in Common Variable Immune Deficiency
    Allergy and Immunology

    Veros Health

    1551 Professional Lane, Suite 170, 
    Longmont, CO 
     (1.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Edan Sarid is an Allergy and Immunologist practicing medicine in Longmont, Colorado. Dr. Sarid is rated as an Advanced provider by MediFind in the treatment of Common Variable Immune Deficiency. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Common Variable Immune Deficiency, Primary Immunodeficiency (PID), Hereditary Angioedema, and Hyperphenylalaninemia Due to Dehydratase Deficiency. Dr. Sarid is board certified in American Board Of Allergy And Immunology. Dr. Sarid is currently accepting new patients.

    Advanced in Common Variable Immune Deficiency
    Allergy and Immunology
    Advanced in Common Variable Immune Deficiency
    Allergy and Immunology

    Veros Clinical Services, Inc.

    1551 Professional Ln, Ste 280, 
    Longmont, CO 
     (1.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Kevin O'brien is an Allergy and Immunologist practicing medicine in Longmont, Colorado. Dr. O'brien is rated as an Advanced provider by MediFind in the treatment of Common Variable Immune Deficiency. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Common Variable Immune Deficiency, Primary Immunodeficiency (PID), Complement Component 2 Deficiency, and Hereditary Angioedema. Dr. O'brien is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Common Variable Immune Deficiency
    Allergy and Immunology
    Experienced in Common Variable Immune Deficiency
    Allergy and Immunology

    Veros Clinical Services LLC

    1551 Professional Ln Unit 170, 
    Longmont, CO 
     (0.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Paul Sklarew is an Allergy and Immunologist practicing medicine in Longmont, Colorado. Dr. Sklarew is rated as an Experienced provider by MediFind in the treatment of Common Variable Immune Deficiency. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Allergic Rhinitis, Sinusitis, Grass Allergy, and Common Variable Immune Deficiency. Dr. Sklarew is board certified in American Board Of Allergy And Immunology. Dr. Sklarew is currently accepting new patients.

    Experienced in Common Variable Immune Deficiency
    Internal Medicine
    Experienced in Common Variable Immune Deficiency
    Internal Medicine

    Boulder Community Health-Boulder Heart

    2101 Ken Pratt Blvd Ste 104, 
    Longmont, CO 
     (2.2 miles away)
    Languages Spoken:
    English

    Alessandro Testori is a primary care provider, practicing in Internal Medicine in Longmont, Colorado. Dr. Testori is rated as an Experienced provider by MediFind in the treatment of Common Variable Immune Deficiency. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Kaposi Sarcoma, Neuroblastoma, Neural Crest Tumor, Lymphadenectomy, and Endoscopy.

    Experienced in Common Variable Immune Deficiency
    Experienced in Common Variable Immune Deficiency

    Rocky Mountain Cancer Centers

    4715 Arapahoe Ave, 
    Boulder, CO 
     (12.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Austin Poole is an Oncologist practicing medicine in Boulder, Colorado. Dr. Poole is rated as an Experienced provider by MediFind in the treatment of Common Variable Immune Deficiency. He is also highly rated in 40 other conditions, according to our data. His clinical expertise encompasses Prostate Cancer, Colorectal Cancer, Familial Colorectal Cancer, and Familial Prostate Cancer. Dr. Poole is board certified in American Board Of Internal Medicine. Dr. Poole is currently accepting new patients.

    Experienced in Common Variable Immune Deficiency
    Hematology
    Experienced in Common Variable Immune Deficiency
    Hematology

    Rocky Mountain Cancer Centers

    4715 Arapahoe Ave, 
    Boulder, CO 
     (12.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Leslie Busby is a Hematologist practicing medicine in Boulder, Colorado. Dr. Busby is rated as an Experienced provider by MediFind in the treatment of Common Variable Immune Deficiency. 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 Common Variable Immune Deficiency
    Experienced in Common Variable Immune Deficiency

    Rocky Mountain Cancer Centers

    4715 Arapahoe Ave, 
    Boulder, CO 
     (12.7 miles away)
    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 Common Variable Immune Deficiency. 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 Common Variable Immune Deficiency
    Experienced in Common Variable Immune Deficiency

    Rocky Mountain Cancer Centers

    4715 Arapahoe Ave, 
    Boulder, CO 
     (12.7 miles away)
    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 Common Variable Immune Deficiency. 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.

    Experienced in Common Variable Immune Deficiency
    Experienced in Common Variable Immune Deficiency

    Rocky Mountain Cancer Centers LLP

    4715 Arapahoe Ave, 
    Boulder, CO 
     (12.7 miles away)
    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 Common Variable Immune Deficiency. 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 Common Variable Immune Deficiency
    Experienced in Common Variable Immune Deficiency

    Rocky Mountain Cancer Centers LLP

    4715 Arapahoe Ave, 
    Boulder, CO 
     (12.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Lori Jensen is an Oncologist practicing medicine in Boulder, Colorado. Dr. Jensen is rated as an Experienced provider by MediFind in the treatment of Common Variable Immune Deficiency. She is also highly rated in 21 other conditions, according to our data. Her clinical expertise encompasses Paget Disease of the Breast, Breast Cancer, Small Lymphocytic Lymphoma (SLL), and Inflammatory Breast Cancer. Dr. Jensen is board certified in Internal Medicine-American Board Of Internal Medicine (ABIM). Dr. Jensen is currently accepting new patients.

    Experienced in Common Variable Immune Deficiency
    Allergy and Immunology | Pediatrics
    Experienced in Common Variable Immune Deficiency
    Allergy and Immunology | Pediatrics

    Boulder Medical Center

    2750 Broadway St, Urology, 
    Boulder, CO 
     (13.6 miles away)
    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 Common Variable Immune Deficiency. 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.

    Advanced in Common Variable Immune Deficiency
    Allergy and Immunology
    Advanced in Common Variable Immune Deficiency
    Allergy and Immunology

    Boulder Medical Center

    2750 Broadway St, 
    Boulder, CO 
     (13.6 miles away)
    Languages Spoken:
    English

    Karen Andrews is an Allergy and Immunologist practicing medicine in Boulder, Colorado. Dr. Andrews is rated as an Advanced provider by MediFind in the treatment of Common Variable Immune Deficiency. She is also highly rated in 16 other conditions, according to our data. Her clinical expertise encompasses Primary Immunodeficiency (PID), Sinusitis, Allergic Rhinitis, and Grass Allergy.

    Experienced in Common Variable Immune Deficiency
    Hematology Oncology | Hematology | Oncology
    Experienced in Common Variable Immune Deficiency
    Hematology Oncology | Hematology | Oncology
    4715 Arapahoe Ave, 
    Boulder, CO 
     (12.7 miles away)
    Languages Spoken:
    English

    Patrick Moran is a Hematologist Oncology specialist and a Hematologist practicing medicine in Boulder, Colorado. Dr. Moran is rated as an Experienced provider by MediFind in the treatment of Common Variable Immune Deficiency. He is also highly rated in 22 other conditions, according to our data. His clinical expertise encompasses Multiple Myeloma, Paget Disease of the Breast, Pleuropulmonary Blastoma, and Lung Cancer.

    Experienced in Common Variable Immune Deficiency
    Oncology
    Experienced in Common Variable Immune Deficiency
    Oncology

    Rocky Mountain Cancer Centers

    4715 Arapahoe Ave, 
    Boulder, CO 
     (12.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Jenny Fox is an Oncologist practicing medicine in Boulder, Colorado. Dr. Fox is rated as an Experienced provider by MediFind in the treatment of Common Variable Immune Deficiency. She is also highly rated in 30 other conditions, according to our data. Her clinical expertise encompasses Paget Disease of the Breast, Breast Cancer, HER-2 Positive Breast Cancer, and Familial Prostate Cancer. Dr. Fox is board certified in American Board Of Internal Medicine. Dr. Fox is currently accepting new patients.

    Showing 1-15 of 15

    Last Updated: 04/28/2026

    What is the definition of Common Variable Immune Deficiency?

    Common variable immune deficiency (CVID) is a disorder that impairs the immune system. People with CVID are highly susceptible to infection from foreign invaders such as bacteria, or more rarely, viruses and often develop recurrent infections, particularly in the lungs, sinuses, and ears. Pneumonia is common in people with CVID. Over time, recurrent infections can lead to chronic lung disease. Affected individuals may also experience infection or inflammation of the gastrointestinal tract, which can cause diarrhea and weight loss. Abnormal accumulation of immune cells causes enlarged lymph nodes (lymphadenopathy) or an enlarged spleen (splenomegaly) in some people with CVID. Immune cells can accumulate in other organs, forming small lumps called granulomas.

    When should I see a Common Variable Immune Deficiency doctor near Longmont, CO?

    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 Common Variable Immune Deficiency doctor near Longmont, CO?

    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 Common Variable Immune Deficiency doctors near Longmont, CO?

    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 Common Variable Immune Deficiency doctors near Longmont, CO?

    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 Common Variable Immune Deficiency doctor near Longmont, CO?

    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 Common Variable Immune Deficiency doctor search results page. 

    Why is it important to get a second opinion from a different Common Variable Immune Deficiency 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 Common Variable Immune Deficiency doctor near Longmont, CO?

    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 Common Variable Immune Deficiency 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 Common Variable Immune Deficiency 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 Common Variable Immune Deficiency doctors near Longmont, CO?

    Look for the filter feature on the left side of the Common Variable Immune Deficiency 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 Common Variable Immune Deficiency doctor that offers video calls?

    Look for the filter feature on the left-side of the Common Variable Immune Deficiency 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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