Home Locations UCHealth Pulmonology Clinic - Littleton

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please read our visitation policy to help with the planning of your visit.

Hours
Monday: 8am – 5pm
Tuesday: 8am – 5pm
Wednesday: 8am – 5pm
Thursday: 8am – 5pm
Friday: 8am – 5pm
Saturday: Closed
Sunday: Closed
Your team
Kelly Greene, MD
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Pulmonary Disease

Leah Magestro, NP
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Pulmonology

Alecia Brynda, NP
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Pulmonology

Robert Ballard, MD
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Sleep Medicine

Erin Riggle, MD
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Pulmonary Disease

New Clinic Opening
This clinic will re-open to patients on Wednesday, Jan. 14, 2026.

At UCHealth Pulmonology Clinic – Littleton, we care for patients with lung and respiratory conditions. Our experienced team delivers personalized, evidence-based treatment in a patient-centered setting. We diagnose and manage conditions such as asthma, COPD, interstitial lung disease, pulmonary nodules, chronic cough and lung infections. Utilizing advanced diagnostics and coordinated care, we prioritize accurate diagnosis, effective treatment and sustained respiratory health.

We also evaluate, diagnose and provide care for sleep disorders, such as sleep apneasnoring and insomnia. Often, certain conditions involving the heart, lungs or weight are related to sleep problems. Getting treated for a sleep disorder is a positive first step toward regaining healthy sleep and improving your overall health. The path to healthier sleep is often the path to a healthier life. We’re here to bring you the latest proven treatments for your sleep-related problems.

Diagnostic tests

Our diagnostic tests include:

  • Methacholine Challenge Testing
  • Oxygen therapy and onsite pulmonary testing
  • Pulmonary function testing
  • Spirometry

Sleep disorder testing

Home sleep studies

Home sleep studies are a convenient option for patients to be tested for sleep apnea with the comfort of sleeping at home. There are many different types of home sleep studies. Your ordering physician will determine the type you should complete.

In-lab sleep studies

A sleep study requires an overnight stay in our clinic and is considered an outpatient visit by your insurance company. Our sleep studies are performed at UCHealth Sleep Lab – Littleton.

Conditions we treat

Among the pulmonary conditions we treat:

Some of the sleep disorders we treat include: