The 20 Best Secondary Immunodeficiency (SID) Doctors Near Me in Colorado, US

Find the Top Secondary Immunodeficiency (SID) Experts and Specialists

The 20 Best Secondary Immunodeficiency (SID) Doctors in Colorado, US

Last Updated: 02/22/2026

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MediFind found 45 doctor with experience in Secondary Immunodeficiency (SID) near Colorado, US. Of these, 35 are Experienced, 8 are Advanced and 2 are Distinguished.

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45 providers found
    Kathryn H. O'day
    Experienced in Secondary Immunodeficiency (SID)
    Endocrinology
    Experienced in Secondary Immunodeficiency (SID)
    Endocrinology

    Candelas Clinic - Diabetes & Endocrinology & Education

    15389 West 91st Drive, Suite 200, 
    Arvada, CO 
    Experience:
    22+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Originally from Sioux Falls, South Dakota, Dr. O'Day earned her medical degree from the University of Minnesota Medical School in the Twin Cities. She completed an internship and residency in internal medicine at Brigham and women's Hospital in Boston, and a fellowship in endocrinology, diabetes and metabolism at the New York University School of Medicine in New York. Dr. O'Day is board certified in internal medicine and endocrinology, diabetes and metabolism.Dr. O'Day has a special interest in diabetes management, cystic fibrosis related diabetes, thyroid disorders, thyroid cancer, pituitary disorders, polycystic ovarian syndrome, osteoporosis and adrenal disorders. Prior to relocating to Denver, Dr. O'Day was working as an endocrinologist in Minnesota, in the Twin Cities area.Dr. O'Day and her family moved from Minneapolis to Denver for the sunshine and the mountains. During her free time she enjoys hiking with her husband and son, and all things Disney. Dr. O'day is rated as an Experienced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). Her top areas of expertise are Secondary Adrenal Insufficiency, Addison's Disease, Triple A Syndrome, and Adrenal Insufficiency Pediatric.

    Milene T. Saavedra
    Distinguished in Secondary Immunodeficiency (SID)
    Pulmonary Medicine
    Distinguished in Secondary Immunodeficiency (SID)
    Pulmonary Medicine

    National Jewish Health

    1400 Jackson Street, Adult Cystic Fibrosis Program, 
    Denver, CO 
    Experience:
    30+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    National Jewish Health. Dr. Saavedra is rated as a Distinguished provider by MediFind in the treatment of Secondary Immunodeficiency (SID). Her top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Newborn Jaundice, Pseudomonas Stutzeri Infections, and Lung Transplant.

    Jennifer L. Taylor
    Distinguished in Secondary Immunodeficiency (SID)
    Pulmonary Medicine
    Distinguished in Secondary Immunodeficiency (SID)
    Pulmonary Medicine

    National Jewish Health

    1400 Jackson Street, Adult Cystic Fibrosis Program, 
    Denver, CO 
    Experience:
    28+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    National Jewish Health. Dr. Taylor is rated as a Distinguished provider by MediFind in the treatment of Secondary Immunodeficiency (SID). Her top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Newborn Jaundice, Pseudomonas Stutzeri Infections, and Endoscopy.

    Learn about our expert tiers
    Steven E. Lommatzsch
    Advanced in Secondary Immunodeficiency (SID)
    Pulmonary Medicine
    Advanced in Secondary Immunodeficiency (SID)
    Pulmonary Medicine

    National Jewish Health

    1400 Jackson Street, Pulmonary Medicine 1, Suite A542, 
    Denver, CO 
    Experience:
    24+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    National Jewish Health. Dr. Lommatzsch is rated as an Advanced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Bronchiectasis, Lung Metastases, Cystic Fibrosis, Chronic Obstructive Pulmonary Disease (COPD), and Advanced Bronchoscopy.

    Katherine B. Hisert
    Advanced in Secondary Immunodeficiency (SID)
    Pulmonary Medicine
    Advanced in Secondary Immunodeficiency (SID)
    Pulmonary Medicine

    National Jewish Health

    1400 Jackson Street, Adult Cystic Fibrosis Program, 
    Denver, CO 
    Experience:
    20+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    National Jewish Health. Dr. Hisert is rated as an Advanced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). Her top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Pseudomonas Stutzeri Infections, and Newborn Jaundice.

    Advanced in Secondary Immunodeficiency (SID)
    Endocrinology
    Advanced in Secondary Immunodeficiency (SID)
    Endocrinology

    National Jewish Health

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

    Shauna Runchey is an Endocrinologist in Denver, Colorado. Dr. Runchey is rated as an Advanced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). Her top areas of expertise are Secondary Immunodeficiency (SID), Jaundice, Triple A Syndrome, and Thyroid Storm.

    Advanced in Secondary Immunodeficiency (SID)
    Pediatric Radiology
    Advanced in Secondary Immunodeficiency (SID)
    Pediatric Radiology

    Children's Hospital Colorado

    13123 E 16th Ave, 
    Aurora, CO 
    Experience:
    17+ years
    Languages Spoken:
    English

    Joseph Davis is a Pediatric Radiologist in Aurora, Colorado. Dr. Davis has been practicing medicine for over 17 years and is rated as an Advanced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Neurogenic Bladder, Cortical Dysplasia, Focal or Multifocal Malformations in Neuronal Migration, and Subcortical Band Heterotopia.

    Advanced in Secondary Immunodeficiency (SID)
    Intensive Care Medicine
    Advanced in Secondary Immunodeficiency (SID)
    Intensive Care Medicine

    University Of Colorado Hospital Authority

    1635 Aurora Ct, 
    Aurora, CO 
    Languages Spoken:
    English

    Alice Gray is an Intensive Care Medicine provider in Aurora, Colorado. Dr. Gray is rated as an Advanced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). Her top areas of expertise are Cystic Fibrosis, Bronchiolitis Obliterans, Industrial Bronchitis, Bronchitis, and Lung Transplant.

    Sherstin T. Lommatzsch
    Experienced in Secondary Immunodeficiency (SID)
    Pulmonary Medicine | Intensive Care Medicine
    Experienced in Secondary Immunodeficiency (SID)
    Pulmonary Medicine | Intensive Care Medicine

    National Jewish Health

    1400 Jackson Street, Pulmonology Department, Room A01, 
    Denver, CO 
    Experience:
    24+ years
    Languages Spoken:
    English

    National Jewish Health. Dr. Lommatzsch is rated as an Experienced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). Her top areas of expertise are Cystic Fibrosis, Bronchiectasis, Secondary Immunodeficiency (SID), and Newborn Jaundice.

    Robert J. Johnston
    Experienced in Secondary Immunodeficiency (SID)
    Experienced in Secondary Immunodeficiency (SID)

    Spectrum Medical Imaging

    1610 Prairie Center Parkway, Suite 2100, 
    Brighton, CO 
    Experience:
    42+ years
    Languages Spoken:
    English

    Robert Johnston is a Radiologist in Brighton, Colorado. Dr. Johnston has been practicing medicine for over 42 years and is rated as an Experienced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Pleural Effusion, Secondary Immunodeficiency (SID), Pleurisy, and Cystic Fibrosis.

    Experienced in Secondary Immunodeficiency (SID)
    Experienced in Secondary Immunodeficiency (SID)

    Pediatric Sleep Specialists

    6071 E Woodmen Rd, Ste 330, 
    Colorado Springs, CO 
    Languages Spoken:
    English
    Accepting New Patients

    Ibrahim Abdulhamid is a Pediatrics provider in Colorado Springs, Colorado. Dr. Abdulhamid is rated as an Experienced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Cystic Fibrosis, Pseudomonas Stutzeri Infections, Micrognathia, Obstructive Sleep Apnea, and Adenoidectomy. Dr. Abdulhamid is currently accepting new patients.

    Experienced in Secondary Immunodeficiency (SID)
    Experienced in Secondary Immunodeficiency (SID)

    Office

    1746 Cole Blvd Ste 100, 
    Golden, CO 
    Languages Spoken:
    English

    Andrew Weinberger is a Radiologist in Golden, Colorado. Dr. Weinberger is rated as an Experienced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Secondary Immunodeficiency (SID), Cystic Fibrosis, Colonic Malakoplakia, and Non-Alcoholic Fatty Liver Disease.

    Experienced in Secondary Immunodeficiency (SID)
    Experienced in Secondary Immunodeficiency (SID)

    Office

    1746 Cole Blvd Ste 100, 
    Golden, CO 
    Languages Spoken:
    English

    David Gilliland is a Radiologist in Golden, Colorado. Dr. Gilliland is rated as an Experienced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Tenosynovitis, Gallbladder Disease, Chronic Cough, and Vertigo.

    Experienced in Secondary Immunodeficiency (SID)
    Experienced in Secondary Immunodeficiency (SID)

    National Jewish Health

    1400 Jackson St, 
    Denver, CO 
    Experience:
    17+ years
    Languages Spoken:
    English

    Tilman Koelsch is a Radiologist in Denver, Colorado. Dr. Koelsch has been practicing medicine for over 17 years and is rated as an Experienced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Bronchiectasis, Interstitial Lung Disease, Pulmonary Fibrosis, and Lung Nodules.

    Experienced in Secondary Immunodeficiency (SID)
    Experienced in Secondary Immunodeficiency (SID)

    National Jewish Health

    1400 Jackson St, 
    Denver, CO 
    Languages Spoken:
    English

    Valerie Hale is a Radiologist in Denver, Colorado. Dr. Hale is rated as an Experienced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). Her top areas of expertise are ALK-Positive Non-Small Cell Lung Cancer, Bronchiectasis, Lung Nodules, and Interstitial Lung Disease.

    Experienced in Secondary Immunodeficiency (SID)
    Experienced in Secondary Immunodeficiency (SID)

    Office

    1746 Cole Blvd Ste 100, 
    Golden, CO 
    Languages Spoken:
    English

    Jeffrey Meier is a Radiologist in Golden, Colorado. Dr. Meier is rated as an Experienced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Banti's Syndrome, Colonic Malakoplakia, Pleural Effusion, Bronchogenic Cyst, and Liver Embolization.

    Experienced in Secondary Immunodeficiency (SID)
    Experienced in Secondary Immunodeficiency (SID)

    Urology Associates, PC

    10450 Park Meadows Dr, Ste 202, 
    Lone Tree, CO 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Daniel Mazur is a Urologist in Lone Tree, Colorado. Dr. Mazur is rated as an Experienced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Peyronie Disease, Male Pseudohermaphroditism with Gynecomastia, Eunuchoidism Familial Hypogonadotropic, Ureteroscopy, and Vasectomy. Dr. Mazur is currently accepting new patients.

    Experienced in Secondary Immunodeficiency (SID)
    Pulmonary Medicine
    Experienced in Secondary Immunodeficiency (SID)
    Pulmonary Medicine

    CommonSpirit Pulmonary & Sleep Medicine Mercy

    1010 Three Springs Blvd, Ste 110, 
    Durango, CO 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Erin Crowley is a Pulmonary Medicine provider in Durango, Colorado. Dr. Crowley is rated as an Experienced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). Her top areas of expertise are Cystic Fibrosis, Lung Metastases, Chronic Obstructive Pulmonary Disease (COPD), and Interstitial Lung Disease. Dr. Crowley is currently accepting new patients.

    Experienced in Secondary Immunodeficiency (SID)
    Experienced in Secondary Immunodeficiency (SID)

    Children's Hospital Colorado

    13123 E 16th Ave, B395, 
    Aurora, CO 
    Languages Spoken:
    English
    Accepting New Patients

    Benjamin Hughes is a Pediatrics provider in Aurora, Colorado. Dr. Hughes is rated as an Experienced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Obstructive Sleep Apnea, Cystic Fibrosis, Central Sleep Apnea, and Cerebral Hypoxia. Dr. Hughes is currently accepting new patients.

    Experienced in Secondary Immunodeficiency (SID)
    Intensive Care Medicine
    Experienced in Secondary Immunodeficiency (SID)
    Intensive Care Medicine

    University Of Colorado Hospital

    1665 Aurora Ct Fl 2, 
    Aurora, CO 
    Languages Spoken:
    English

    Joshua Smith is an Intensive Care Medicine provider in Aurora, Colorado. Dr. Smith is rated as an Experienced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Pulmonary Fibrosis, Idiopathic Pulmonary Fibrosis, Hypersensitivity Pneumonitis, Acute Interstitial Pneumonia, and Lung Transplant.

    Showing 1-20 of 45

    Last Updated: 02/22/2026

    When should I see a Secondary Immunodeficiency (SID) 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 Secondary Immunodeficiency (SID) 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 Secondary Immunodeficiency (SID) 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 Secondary Immunodeficiency (SID) 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 Secondary Immunodeficiency (SID) 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 Secondary Immunodeficiency (SID) doctor search results page. 

    Why is it important to get a second opinion from a different Secondary Immunodeficiency (SID) 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 Secondary Immunodeficiency (SID) 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 Secondary Immunodeficiency (SID) 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 Secondary Immunodeficiency (SID) 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 Secondary Immunodeficiency (SID) doctors in Colorado, US?

    Look for the filter feature on the left side of the Secondary Immunodeficiency (SID) 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 Secondary Immunodeficiency (SID) doctor that offers video calls?

    Look for the filter feature on the left-side of the Secondary Immunodeficiency (SID) 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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