Immunology Make an Appointment Refer a Patient Ask a Question Make an Appointment Refer a Patient Ask a Question We provide comprehensive diagnostic and therapeutic services to patients with a broad range of allergic and immunologic disorders, such as food allergy, asthma and immunodeficiency. We are a specialized referral center, and our patients are typically referred by their local doctors/specialists because of difficulty in diagnosing and/or treating the disease. Our nationally-recognized allergy and immunology specialists perform unique consultative services to provide comprehensive clinical care to our patients. These consultative services include pulmonary rehabilitation, psychosocial medicine, occupational medicine, speech therapy for vocal cord dysfunction, sleep studies, interstitial lung disease and nutrition. The divisional basic science and clinical research labs provide a unique opportunity to conduct molecular diagnostic studies on patient samples that aid diagnosis as well as management of a broad-spectrum of allergic, immunologic and respiratory illnesses. Learn about our Allergy Treatment Programs. Condition Information Allergy More Less Alpha-1 Antitrypsin Deficiency Overview Emphysema Eosinophilic Lung Diseases Immune Deficiency and Immune Dysregulation Disorders Interstitial Lung Disease (ILD) Overview Osteoarthritis Allergic Bronchopulmonary Aspergillosis (ABPA) Allergic Rhinitis (Hay Fever) Anaphylaxis Angioedema Asthma Overview Eczema (Atopic Dermatitis) Overview Eosinophilic Granulomatosis with Polyangiitis (EGPA) Exercise-Induced Asthma (EIA) Food Allergies Gastroesophageal Reflux Disease (GERD) Hives (Urticaria) Hypereosinophilic Syndromes Hypertension Immune Deficiency and Immune Dysregulation Disorders Lupus Mastocytosis Medication/Drug Allergy Metal & Cement Allergies Myositis (Polymyositis / Dermatomyositis) Occupational Asthma Oral Allergy Syndrome (OAS) Osteoporosis Polymyalgia Rheumatica (PMR) Rheumatoid Arthritis (RA) Sarcoidosis Overview Scleroderma / Systemic Sclerosis (SSC) Sinusitis Sjögren's Syndrome (SS) Steroid-Resistant Asthma Temporal Arteritis Undifferentiated Connective Tissue Disease (UCTD) Vasculitis Search Conditions A-Z Programs & Services Division of Allergy and Clinical Immunology (Adult) More Less Allergy Treatment Programs (Adult) Asthma Treatment Program (Adult) Hives Treatment Programs Immune Deficiency and Immune Dysregulation Disorders Metals Allergy Testing Program Sinusitis Treatment Program Department of Medicine Division of Environmental & Occupational Health Sciences Division of Gastroenterology Division of Mycobacterial and Respiratory Infections Division of Pulmonary, Critical Care and Sleep Medicine (Adult) Interstitial Lung Disease (ILD) Program Interventional Pulmonology Program Rehabilitation Services Sinusitis Treatment Program Search Directory Our Specialists Jordan Bull, PA-C + × Jordan Bull, PA-C Jordan Bull, PA-C, is a physician assistant at National Jewish Health. Ms. Bull is in the Division of Allergy and Clinical Immunology. Division of Allergy & Clinical Immunology Division of Environmental & Occupational Health Sciences Physician Assistant View Full Profile Make an Appointment Kanao Otsu, MD, MPH + × Kanao Otsu, MD, MPH Kanao Otsu, MD, is an allergist and immunologist at National Jewish Health. Dr. Otsu is in the Division of Allergy and Clinical Immunology. Assistant Professor Department of Medicine Division of Allergy & Clinical Immunology View Full Profile Patient Rating 3.9 out of 5 stars Make an Appointment Flavia Cecilia Lega Hoyte, MD + × Flavia Cecilia Lega Hoyte, MD Flavia Cecilia Lega Hoyte, MD, is an allergist and immunologist at National Jewish Health. Dr. Hoyte is in the Division of Allergy and Clinical Immunology. Associate Professor Director, Allergy & Clinical Immunology Fellowship Department of Medicine Division of Allergy & Clinical Immunology View Full Profile Patient Rating 4.7 out of 5 stars Make an Appointment Rafeul Alam, MD, PhD + × Rafeul Alam, MD, PhD Rafeul Alam, MD, is an allergist and immunologist at National Jewish Health. Dr. Alam serves as Chief of the Division of Allergy and Clinical Immunology. Chief, Division of Allergy & Clinical Immunology Professor Veda H. and Chauncey H. Ritter Chair in Immunology Department of Medicine Division of Allergy & Clinical Immunology View Full Profile Patient Rating 4.8 out of 5 stars Make an Appointment Loading... Find a Doctor Appointments & QuestionsPatient Education& SupportVisitingUsTests& ProceduresWays toGiveGet the Care You Need: We are ready to help you stay healthy with many same-day appointments available and are taking every precaution to ensure your safety. Make an Appointment Call 1.877.CALL.NJH Ask a Question | Insurance Information | Refer a Patient Our Patient Education Program at National Jewish Health provides many free educational opportunities and support groups to assist patients and caregivers with managing illnesses and chronic conditions. Download Free Patient Education Materials There are a number of written materials to support patient education at National Jewish Health. They include Understanding Booklets, Med Facts, Test Facts, Medication handouts and more. Free Education Materials Treatment Locations Highlands Ranch National Jewish Health Main Campus View all locations Reasons to Choose National Jewish Health The leading respiratory hospital in the nation and the only one devoted fully to the treatment of respiratory and related illnesses Ranked #1 or #2 in Pulmonology by U.S. News & World Report for 26 consecutive years Ranked in the top 5% of hospitals in the nation by HCAHPS Physicians consistently recognized among the best in the nation by multiple services, including Best Doctors in America and Castle Connolly Among the top 6% of organizations funded for research by the NIH, providing patients access to hundreds of active clinical trials 123-year history of focus on care, research and education serving patients from around the world with lung, heart, immune and related disorders Make an Appointment Ask a Question | Insurance Information Many patients who come to National Jewish Health are trying to find answers to ongoing health issues. Our doctors use advanced testing to accurately diagnose our patients’ conditions and determine the best treatment plan. Search Tests You can support National Jewish Health in a variety of ways. Learn about more ways to give to help us provide lifesaving care and groundbreaking research. Make a Donation Living with an Immunologic Disorder Good Health and Hand Washing Fall Allergy Tips Living with Allergies See More Clinical Trials For more than 100 years, National Jewish Health has been committed to finding new treatments and cures for diseases. Search our clinical trials. Patient Stories Searching For Answers The second time Lillian Downs got COVID-19, she came to National Jewish Health. When infectious disease expert Jared Eddy, MD, saw Lillian before an antibody infusion, he realized that she needed a more extensive evaluation. Read More View All Patient Stories Make an Appointment Call 1.877.CALL.NJH
Clinical Trials For more than 100 years, National Jewish Health has been committed to finding new treatments and cures for diseases. Search our clinical trials.
Patient Stories Searching For Answers The second time Lillian Downs got COVID-19, she came to National Jewish Health. When infectious disease expert Jared Eddy, MD, saw Lillian before an antibody infusion, he realized that she needed a more extensive evaluation. Read More View All Patient Stories