HealthcareDiscovery.AI / Doctors / Colorado / Gastroenterology

Gastroenterologists in Colorado

Data updated monthly · Last refresh October 2026

339 Gastroenterology providers practice in Colorado, including 96 (28%) offering telehealth. The largest concentration is in Denver. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.

339providers
96telehealth
Denvertop city

Gastroenterology by city in Colorado

Choose a city to see providers there.

Gastroenterology in Denver58 providers
Gastroenterology in Aurora46 providers
Gastroenterology in Colorado Springs34 providers
Gastroenterology in Lone Tree25 providers
Gastroenterology in Lafayette17 providers
Gastroenterology in Fort Collins13 providers
Gastroenterology in Lakewood12 providers
Gastroenterology in Pueblo11 providers
Gastroenterology in Englewood11 providers
Gastroenterology in Greeley10 providers
Gastroenterology in Longmont10 providers
Gastroenterology in Boulder10 providers
Gastroenterology in Durango8 providers
Gastroenterology in Grand Junction8 providers
Gastroenterology in Littleton8 providers
Gastroenterology in Thornton8 providers
Gastroenterology in Loveland7 providers
Gastroenterology in Castle Rock7 providers
Gastroenterology in Parker5 providers
Gastroenterology in Centennial4 providers
Gastroenterology in Louisville3 providers
Gastroenterology in Glenwood Springs3 providers
Gastroenterology in Avon2 providers
Gastroenterology in Montrose2 providers

Gastroenterology providers in Colorado

Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Lewis Strong, MD
Loveland, CO · No drug or device payments recorded (2025) · (970) 669-5432
Dr. Sean Caufield, M.D.
Loveland, CO · $1,323 in drug and device payments (2025) · Telehealth · (970) 207-9773
Dr. Stephen Burgert, MD
Loveland, CO · No drug or device payments recorded (2025) · (970) 669-5432
Dr. Michael Paolucci, MD
Montrose, CO · $22 in drug and device payments (2025) · (970) 497-5979
Dr. Robert Harmon, MD/PHD
Montrose, CO · $21 in drug and device payments (2025) · (970) 497-5979
Dr. Joshua Steinberg, MD
Northglenn, CO · $68,754 in drug and device payments (2025) · Telehealth · (303) 604-5000
Dr. Raul Cubillas Manrique, M.D
Northglenn, CO · $3,068 in drug and device payments (2025) · (303) 604-5000
Dr. Richard Zak, MD
Pagosa Springs, CO · No drug or device payments recorded (2025) · (970) 731-3700
Dr. Aliya Hasan, MD
Parker, CO · $43 in drug and device payments (2025) · (303) 925-4720
Dr. Nipun Reddy, M.D.
Parker, CO · No drug or device payments recorded (2025) · (303) 925-4720
Dr. Patrice Michaletz Onody, M.D
Parker, CO · No drug or device payments recorded (2025) · (303) 766-4516
Dr. Pujyitha Mandiga, MD
Parker, CO · No drug or device payments recorded (2025) · (303) 925-4720
Dr. Stephen Sears, MD
Parker, CO · $50 in drug and device payments (2025) · (303) 925-4720
Dr. Camille Azar, M.D.
Pueblo, CO · $518 in drug and device payments (2025) · (719) 557-3660
Dr. Charles Ruzkowski, MD
Pueblo, CO · $159 in drug and device payments (2025) · (719) 595-7680
Dr. Christopher Calcagno, D.O.
Pueblo, CO · $282 in drug and device payments (2025) · (719) 562-2001
Dr. Henrique Fernandez, MD
Pueblo, CO · $171 in drug and device payments (2025) · (719) 595-7680
Dr. Lirio Polintan, MD
Pueblo, CO · No drug or device payments recorded (2025) · (719) 595-7680
Dr. Maritza Proano, M.D.
Pueblo, CO · No drug or device payments recorded (2025) · (719) 543-3500
Dr. Nathan Vicknair, STUDENT
Pueblo, CO · $249 in drug and device payments (2025) · (719) 584-4000
Dr. Paula Dionisio, M.D.
Pueblo, CO · $15 in drug and device payments (2025) · (719) 595-7680
Dr. Rajiv Singh, MD
Pueblo, CO · $143 in drug and device payments (2025) · (719) 584-4561
Dr. Sung Yang, M.D.
Pueblo, CO · $92 in drug and device payments (2025) · (719) 595-7680
Dr. William Murchison, MD
Pueblo, CO · No drug or device payments recorded (2025) · (719) 545-0552
Dr. John Sharp, MD
Steamboat Springs, CO · $73 in drug and device payments (2025) · (970) 879-2327
Dr. Korina Bersentes, M.D.
Superior, CO · No drug or device payments recorded (2025) · (303) 912-8948
Dr. Ajit Ramadugu, M.D.
Thornton, CO · $2,002 in drug and device payments (2025) · (303) 252-0083
Dr. Bruce Walker, MD
Thornton, CO · No drug or device payments recorded (2025) · (303) 252-4442
Dr. Bruce Weber, D.O.
Thornton, CO · No drug or device payments recorded (2025) · (303) 252-0100
Dr. Gareth Weiner, MD
Thornton, CO · $77,972 in drug and device payments (2025) · (303) 252-4442
Dr. James Higham-kessler, M.D.
Thornton, CO · $918 in drug and device payments (2025) · (303) 252-4442
Dr. Paul Deneault, M.D.
Thornton, CO · $2,602 in drug and device payments (2025) · (303) 252-4442
Dr. Sam Anouna, M.D.
Thornton, CO · No drug or device payments recorded (2025) · (303) 252-4442
Dr. Shazad Rana, M.D.
Thornton, CO · $1,000 in drug and device payments (2025) · (303) 252-4442
Dr. David Adams, MD
U S A F Academy, CO · No drug or device payments recorded (2025) · (719) 333-5916
Dr. Kendra Stilwell, D.O.
Usaf Academy, CO · $158 in drug and device payments (2025) · (719) 333-5140
Dr. Robert Williams, M.D.
Westminster, CO · No drug or device payments recorded (2025) · (720) 443-8461
Dr. Carl Dahl, M.D.
Wheat Ridge, CO · No drug or device payments recorded (2025) · (303) 463-3900
Dr. Michael Firth, M.D.
Wheat Ridge, CO · No drug or device payments recorded (2025) · (303) 463-3900

Conditions Gastroenterology providers in Colorado commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Gastroenterology providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Gastroenterology providers are in Colorado?

There are 339 Gastroenterology providers with active NPI records practicing in Colorado, according to federal NPPES data refreshed monthly.

Do Gastroenterology providers in Colorado offer telehealth?

Yes. 96 of the 339 Gastroenterology providers in Colorado (about 28%) report offering telehealth services in CMS data.

Which cities in Colorado have the most Gastroenterology providers?

Denver (58), Aurora (46), Colorado Springs (34) have the highest concentration of Gastroenterology providers in Colorado.

How many Gastroenterology providers in Colorado received drug or device company payments?

196 of 339 Gastroenterology providers in Colorado (58%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Gastroenterology providers in Colorado treat?

Gastroenterology providers commonly treat acid reflux, IBS, Crohn disease, ulcerative colitis, celiac disease and related conditions. Individual practices vary, so confirm with the provider before booking.

Where does this data come from?

Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

Do most Gastroenterologists in Colorado work in independent practices or large health systems?

Among 240 Gastroenterologists in Colorado enrolled in Medicare, 4% bill through a solo or small practice with fewer than 10 clinicians, 42% through a mid-size group of 10 to 99, and 54% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Gastroenterologists in Colorado work at?

According to CMS facility affiliation records, the Colorado hospitals where the most Gastroenterologists hold privileges are University of Colorado Hospital Authority in Aurora; Uchealth Highlands Ranch Hospital in Highlands Ranch; Uch-Memorial Health System in Colorado Springs.

Related reading on HealthcareDiscovery.AI

Gastroenterology in all 50 states Search all 339 in the directory Ask Zach for help choosing

Related

Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Gastroenterology in Colorado? Get featured.