Mark PowisMD
Gastroenterology·Lone Tree, CO
Mark Powis, MD is a Gastroenterology provider in Lone Tree, CO affiliated with 4 ambulatory surgery centers in CO, as of July 2026.
- NPI1386771327
- Registered2007
- Centers4
- StateCO
- Class of1993
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Ambulatory surgery centers
Centers whose service lines match this provider’s. Affiliations change; verify independently.
- Rose Ambulatory Surgery Center LpDenver, CO · Gastroenterology, Ophthalmology, Orthopedics, Pain management · 30 on panelView center →
- Denver Surgicenter LLCDenver, CO · Gastroenterology · 26 on panelView center →
- Uchealth Ambulatory Surgery Centers Dba Uchealth Cherry Creek North Surgery CenterDenver, CO · ENT, Gastroenterology, General surgery, Orthopedics, Plastic surgery, Urology · 30 on panelView center →
- Denver Mid Town Surgery Center LTDDenver, CO · ENT, Gastroenterology, Ophthalmology, Orthopedics, Pain management · 30 on panelView center →
Mark Powis at a glance
- Provider
- Mark Powis
- Credential
- MD
- Specialty
- Gastroenterology
- Procedures
- Gastroenterology CPT codes
- Location
- Lone Tree, CO
- Medical school graduation
- 1993
- NPI registered
- 2007
- NPI
- 1386771327
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does Mark Powis practice?
Mark Powis, MD is based in Lone Tree, CO and is affiliated with 4 ambulatory surgery centers: Rose Ambulatory Surgery Center Lp in Denver, CO, Denver Surgicenter LLC in Denver, CO, Uchealth Ambulatory Surgery Centers Dba Uchealth Cherry Creek North Surgery Center in Denver, CO, and Denver Mid Town Surgery Center LTD in Denver, CO. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Mark Powis's NPI number?
Mark Powis's National Provider Identifier (NPI) is 1386771327, registered in 2007. Specialty on record: Gastroenterology; credential MD.
How many Gastroenterology providers in Colorado work at ambulatory surgery centers?
159 Gastroenterology surgeons and proceduralists in Colorado are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Mark Powis among them. The Colorado Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.
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