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 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 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 Program 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 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 4.5 out of 5 stars 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 4.2 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 4.9 out of 5 stars Make an Appointment Tho Q. Truong, MD + × Tho Q. Truong, MD Tho Q. Truong, MD, is an allergist-immunologist and rheumatologist at National Jewish Health. Dr. Truong is in the Department of Medicine. Associate Professor Department of Medicine Division of Allergy & Clinical Immunology Division of Rheumatology View Full Profile Patient Rating 4.8 out of 5 stars Make an Appointment Loading... Find a Doctor Appointments & QuestionsPatient Education& SupportVisitingUsTests& ProceduresWays toGiveWe Are Open and Here for You: Our specialty care clinics for adults and children are open and ready to serve you. Your health is important, and that means taking care of your existing health care issues. Please note that as we schedule appointments, including necessary procedures, we’re taking every precaution possible to ensure it’s safe to see your doctor. Patient Safety & Care 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 as one of the top two hospitals in pulmonology every year since U.S. News & World Report included this category in its annual “Best Hospitals” survey Ranked in the top 1 percent 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 percent of organizations funded for research by the NIH, providing patients access to more than 300 active clinical trials 121-year history of focus on care, research and education serving thousands of patients 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 Nasal Wash Guide Surviving Spring Allergies Summer Allergy Tips See More Clinical Trials Atopic Dermatitis (Eczema) & Skin-Infection Risk Patient Stories Taking Back the Reins on Life Cindy Roper’s hands “hurt every hour of every day of every week.” National Jewish Health found the simple answer to her skin condition, and now she is back in the saddle. Read More View All Patient Stories Make an Appointment Call 1.877.CALL.NJH We Are Open and Here for You × Our specialty care clinics for adults and children are open and ready to serve you. Your health is important, and that means taking care of your existing health care issues. To make an appointment, call 303.398.1355 or make an appointment online. Patient Safety As we schedule appointments, including necessary procedures, we're taking every precaution to ensure your safety. All staff and providers are required to wear masks and other personal protective equipment, and our facilities are continually cleaned using enhanced sterilization procedures. As best practice for all patients, COVID-19 patients are cared for in separate, dedicated units. Patients and visitors are screened upon arrival and are required to wear masks. Patients may have only one visitor accompany them to appointments. Please bring your own face mask to wear (cannot be a bandana or scarf, but can be a cloth mask). Expanded COVID-19 Testing and Care Available Testing and care for adults and children who may currently have or are recovering from COVID-19 is available. COVID-19 Care & Testing Coronavirus Information & Resources Close
Clinical Trials Atopic Dermatitis (Eczema) & Skin-Infection Risk Patient Stories Taking Back the Reins on Life Cindy Roper’s hands “hurt every hour of every day of every week.” National Jewish Health found the simple answer to her skin condition, and now she is back in the saddle. Read More View All Patient Stories
Patient Stories Taking Back the Reins on Life Cindy Roper’s hands “hurt every hour of every day of every week.” National Jewish Health found the simple answer to her skin condition, and now she is back in the saddle. Read More View All Patient Stories