Kevin Sieja MD
About This Business
Kevin Sieja MD practices internal medicine and gastroenterology in Denver, Colorado, in practice for 26 years since graduating in 2000, above the 25-year average among the 57 Denver physicians in our directory. He is one of two internal medicine and gastroenterology physicians in our Denver listings. His Medicare profile lists colonoscopy and upper gastrointestinal endoscopy for acid reflux as his most frequent procedures. He is affiliated with Valley View Hospital Association, HCA HealthOne Rose, and HCA HealthOne Presbyterian St. Luke's. In MIPS, the federal program scoring Medicare clinicians on quality and cost, he holds 83.3 out of 100. He accepts Medicare; telehealth is not currently listed among his services. Patients rate him 4.8 across 230 reviews.
Verified Provider Info
- Specialty (per registry)
- Internal Medicine, Gastroenterology
- NPI Number
- 1952356677
- Medical school graduate
- 2000 (26+ years of practice)
- State license
- 44150 (CO)
- Hospital affiliations
- Valley View Hospital Association · Hca Healthone Rose · Hca Healthone Presbyterian St. Lukes
- Quality score (CMS MIPS)
- 83.3/100
- Common services (Medicare data)
- Colonoscopy · Upper gastrointestinal (GI) endoscopy for acid reflux
Source: NPPES NPI Registry (CMS) · CMS Doctors & Clinicians dataset · checked 2026-08-18
Phone
(303) 861-0808Location on Map
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Social Media
Information last updated: September 7, 2026
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