The 20 Best Secondary Immunodeficiency (SID) Doctors Near Me in Denver, CO

Find the Top Secondary Immunodeficiency (SID) Experts and Specialists

The 20 Best Secondary Immunodeficiency (SID) Doctors near Denver, CO

Last Updated: 02/22/2026

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MediFind found 38 doctor with experience in Secondary Immunodeficiency (SID) near Denver, CO. Of these, 28 are Experienced, 8 are Advanced and 2 are Distinguished.

Location
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38 providers found
    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 
     (2.6 miles away)
    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 
     (2.6 miles away)
    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.

    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 
     (2.6 miles away)
    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.

    Learn about our expert tiers
    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 
     (2.6 miles away)
    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 
     (2.6 miles away)
    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.

    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 
     (2.6 miles away)
    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.

    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 
     (13.7 miles away)
    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.

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

    National Jewish Health

    1400 Jackson St, 
    Denver, CO 
     (2.6 miles away)
    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 
     (2.6 miles away)
    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.

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

    National Jewish Health

    1400 Jackson St, 
    Denver, CO 
     (2.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Jerry Nick is a Pulmonary Medicine provider in Denver, Colorado. Dr. Nick is rated as an Advanced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Cystic Fibrosis, Mycobacterium Avium Complex Infections, Secondary Immunodeficiency (SID), and Pseudomonas Stutzeri Infections. Dr. Nick is currently accepting new patients.

    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 
     (8.0 miles away)
    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.

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

    Children's Hospital Colorado

    13123 E 16th Ave, 
    Aurora, CO 
     (8.3 miles away)
    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.

    Experienced in Secondary Immunodeficiency (SID)
    Infectious Disease
    Experienced in Secondary Immunodeficiency (SID)
    Infectious Disease

    Intermountain Health Saint Joseph Hospital

    1375 E 19th Ave, 
    Denver, CO 
     (1.1 miles away)
    Languages Spoken:
    English

    Gwen Huitt is an Infectious Disease provider in Denver, Colorado. Dr. Huitt is rated as an Experienced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). Her top areas of expertise are Nontuberculous Mycobacterial Lung Disease, Mycobacterium Avium Complex Infections, Nocardiosis, and Swimming Pool Granuloma.

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

    National Jewish Health

    1400 Jackson St, 
    Denver, CO 
     (2.6 miles away)
    Languages Spoken:
    English

    Sandhya Rai is an Internal Medicine provider in Denver, Colorado. Dr. Rai is rated as an Experienced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). Her top areas of expertise are Secondary Immunodeficiency (SID), Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Pulmonary Fibrosis, and Pacemaker Implantation.

    Experienced in Secondary Immunodeficiency (SID)
    Nurse Practitioner
    Experienced in Secondary Immunodeficiency (SID)
    Nurse Practitioner

    National Jewish Health

    1400 Jackson St, 
    Denver, CO 
     (2.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Hayley Heinz is a Nurse Practitioner in Denver, Colorado. Ms. Heinz is rated as an Experienced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). Her top area of expertise is Secondary Immunodeficiency (SID).

    Experienced in Secondary Immunodeficiency (SID)
    Pediatric Pulmonology
    Experienced in Secondary Immunodeficiency (SID)
    Pediatric Pulmonology

    National Jewish Health

    1400 Jackson St, 
    Denver, CO 
     (2.6 miles away)
    Languages Spoken:
    English

    Jane Gross is a Pediatric Pulmonologist in Denver, Colorado. Dr. Gross is rated as an Experienced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). Her top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Measles, and Newborn Jaundice.

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

    National Jewish Health

    1400 Jackson St, 
    Denver, CO 
     (2.6 miles away)
    Languages Spoken:
    English

    Carrie Horn is an Internal Medicine provider in Denver, Colorado. Dr. Horn is rated as an Experienced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). Her top areas of expertise are Secondary Immunodeficiency (SID), Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), and Advanced Bronchoscopy.

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

    National Jewish Health

    1400 Jackson St, 
    Denver, CO 
     (2.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jeffrey King is a Gastroenterologist in Denver, Colorado. Dr. King is rated as an Experienced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Swallowing Difficulty, Painful Swallowing, and Barrett Esophagus.

    Experienced in Secondary Immunodeficiency (SID)
    Nurse Practitioner
    Experienced in Secondary Immunodeficiency (SID)
    Nurse Practitioner

    National Jewish Health

    1400 Jackson St, 
    Denver, CO 
     (2.6 miles away)
    Languages Spoken:
    English

    Lynette Rasmussen is a Nurse Practitioner in Denver, Colorado. Ms. Rasmussen is rated as an Experienced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). Her top area of expertise is Secondary Immunodeficiency (SID).

    Experienced in Secondary Immunodeficiency (SID)
    Nurse Practitioner
    Experienced in Secondary Immunodeficiency (SID)
    Nurse Practitioner

    National Jewish Health

    1400 Jackson Street, Adult Cystic Fibrosis Program, 
    Denver, CO 
     (2.6 miles away)
    Experience:
    10+ years
    Languages Spoken:
    English
    Accepting New Patients

    Jacquelyn Mcdowell is a Nurse Practitioner in Denver, Colorado. Ms. Mcdowell has been practicing medicine for over 10 years and is rated as an Experienced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). Her top area of expertise is Secondary Immunodeficiency (SID). Ms. Mcdowell is currently accepting new patients.

    Showing 1-20 of 38

    Last Updated: 02/22/2026

    When should I see a Secondary Immunodeficiency (SID) doctor near Denver, 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 Secondary Immunodeficiency (SID) doctor near Denver, 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 Secondary Immunodeficiency (SID) doctors near Denver, 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 Secondary Immunodeficiency (SID) doctors near Denver, 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 Secondary Immunodeficiency (SID) doctor near Denver, 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 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 near Denver, 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 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 near Denver, CO?

    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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