The 20 Best Omenn Syndrome Doctors Near Me in Grand Rapids, MI

Find the Top Omenn Syndrome Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 5 doctor with experience in Omenn Syndrome near Grand Rapids, MI. Of these, 4 are Experienced and 1 are Advanced.

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5 providers found
    Experienced in Omenn Syndrome
    Pediatric Hematology Oncology | Family Medicine
    Experienced in Omenn Syndrome
    Pediatric Hematology Oncology | Family Medicine

    Helen DeVos Children's Hospital Hematology And Oncology

    100 Michigan Street Northeast, Floor 10, 
    Grand Rapids, MI 
     (0.4 miles away)
    Experience:
    13+ years
    Languages Spoken:
    English
    Accepting New Patients

    Allison Close is a Pediatric Hematologist Oncology specialist and a Family Medicine provider practicing medicine in Grand Rapids, Michigan. She has been practicing medicine for over 13 years. Dr. Close is rated as an Experienced provider by MediFind in the treatment of Omenn Syndrome. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Acute Lymphoblastic Leukemia (ALL), Hereditary Spherocytosis, Febrile Neutropenia, and Congenital Athymia. Dr. Close is board certified in American Board Of Pediatrics, Pediatric Hematology-Oncology - 2021 and American Board Of Pediatrics, Pediatrics - 2016. Dr. Close is currently accepting new patients.

    Experienced in Omenn Syndrome
    Pediatrics
    Experienced in Omenn Syndrome
    Pediatrics

    Corewell Health Pediatric Hospitalists - Grand Rapids

    100 Michigan Street Northeast, Room 280, 
    Grand Rapids, MI 
     (0.4 miles away)
    Experience:
    20+ years
    Languages Spoken:
    English

    Eric Kort is a primary care provider, practicing in Pediatrics in Grand Rapids, Michigan. He has been practicing medicine for over 20 years. Dr. Kort is rated as an Experienced provider by MediFind in the treatment of Omenn Syndrome. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses H Influenzae Meningitis, Diffuse Panbronchiolitis, ECHO Virus, Pneumococcal Meningitis, and Myringotomy. Dr. Kort is board certified in American Board Of Pediatrics.

    Experienced in Omenn Syndrome
    Experienced in Omenn Syndrome

    Corewell Health Grand Rapids Hospitals Pediatric Bone Marrow Transplant - 35 Michigan St NE

    35 Michigan Street Northeast, Floor 2, 
    Grand Rapids, MI 
     (0.9 miles away)
    Experience:
    36+ years
    Languages Spoken:
    English

    Ulrich Duffner is a Pediatrics provider practicing medicine in Grand Rapids, Michigan. He has been practicing medicine for over 36 years. Dr. Duffner is rated as an Experienced provider by MediFind in the treatment of Omenn Syndrome. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Graft Versus Host Disease (GvHD), Hepatic Venoocclusive Disease with Immunodeficiency, Acute Monoblastic Leukemia (AmoL), Juvenile Myelomonocytic Leukemia (JMML), and Bone Marrow Transplant. Dr. Duffner is board certified in American Board Of Pediatrics and American Board Of Pediatrics.

    Learn about our expert tiers
    Advanced in Omenn Syndrome
    Pediatric Allergy and Immunology | Allergy and Immunology
    Advanced in Omenn Syndrome
    Pediatric Allergy and Immunology | Allergy and Immunology

    Corewell Health Allergy And Immunology - Summit Park

    3271 Clear Vista Court Northeast, 
    Grand Rapids, MI 
     (5.4 miles away)
    Experience:
    15+ years
    Languages Spoken:
    English
    Accepting New Patients

    Nicholas Hartog is a Pediatric Allergy and Immunologist and an Allergy and Immunologist practicing medicine in Grand Rapids, Michigan. He has been practicing medicine for over 15 years. Dr. Hartog is rated as an Advanced provider by MediFind in the treatment of Omenn Syndrome. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Primary Immunodeficiency (PID), Common Variable Immune Deficiency, Adenosine Deaminase Deficiency, and Severe Combined Immunodeficiency (SCID). Dr. Hartog is board certified in American Board Of Allergy And Immunology and American Board Of Internal Medicine. Dr. Hartog is currently accepting new patients.

    Experienced in Omenn Syndrome
    Pediatric Allergy and Immunology
    Experienced in Omenn Syndrome
    Pediatric Allergy and Immunology

    Corewell Health Allergy And Immunology - Summit Park

    3271 Clear Vista Court Northeast, 
    Grand Rapids, MI 
     (5.4 miles away)
    Experience:
    13+ years
    Languages Spoken:
    English
    Accepting New Patients

    Amanda Holsworth is a Pediatric Allergy and Immunologist practicing medicine in Grand Rapids, Michigan. She has been practicing medicine for over 13 years. Dr. Holsworth is rated as an Experienced provider by MediFind in the treatment of Omenn Syndrome. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Cold Urticaria, Hives, Primary Immunodeficiency (PID), and Chronic Spontaneous Urticaria (CSU). Dr. Holsworth is board certified in American Board Of Allergy And Immunology and American Board Of Pediatrics. Dr. Holsworth is currently accepting new patients.

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    Last Updated: 04/28/2026

    What is the definition of Omenn Syndrome?

    Omenn syndrome is an inherited disorder of the immune system (immunodeficiency). Omenn syndrome is one of several forms of severe combined immunodeficiency (SCID), a group of disorders that cause individuals to have virtually no immune protection from bacteria, viruses, and fungi. Individuals with SCID are prone to repeated and persistent infections that can be very serious or life-threatening. Infants with Omenn syndrome typically experience pneumonia and chronic diarrhea. Often the organisms that cause infection in people with this disorder are described as opportunistic because they ordinarily do not cause illness in healthy people.

    When should I see an Omenn Syndrome doctor near Grand Rapids, MI?

    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 Omenn Syndrome doctor near Grand Rapids, MI?

    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 Omenn Syndrome doctors near Grand Rapids, MI?

    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 Omenn Syndrome doctors near Grand Rapids, MI?

    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 Omenn Syndrome doctor near Grand Rapids, MI?

    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 Omenn Syndrome doctor search results page. 

    Why is it important to get a second opinion from a different Omenn Syndrome 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 Omenn Syndrome doctor near Grand Rapids, MI?

    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 Omenn Syndrome 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 Omenn Syndrome 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 Omenn Syndrome doctors near Grand Rapids, MI?

    Look for the filter feature on the left side of the Omenn Syndrome 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 Omenn Syndrome doctor that offers video calls?

    Look for the filter feature on the left-side of the Omenn Syndrome 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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