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Our Gastrointestinal Team

Our team of specialists is dedicated to resolving digestive health issues and eliminating the bothersome symptoms that affect your life. We understand the personal nature of digestive health issues, care for you with sensitivity and respect and create a treatment plan tailored to your unique needs.

Digestive health experts

You have access to doctors with advanced training in different specialties, including board-certified gastroenterologists (GI doctors). The team is experienced in managing complex digestive health issues and skilled inthe latest treatment options for digestive disorders and liver disease.

Our dedicated nurses and professionals work closely with your doctor to personalize your care in an environment that is safe, supportive and comfortable. We apply our training and skill to care for your unique health issues and help you feel like yourself again.

Sam Anouna, MD

Specialties: Gastroenterology
Primary Location:
Rocky Mountain Gastroenterology
10001 N Washington St
Thornton, CO 80229
Phone: 303-252-4442
Fax: 303-255-2190
Accepting New Patients Yes

Michael Asay, PA

Specialties: Gastroenterology
Primary Location:
SCL Health Medical Group - Billings Gastroenterology
1144 N Broadway Ste C
Billings, MT 59101
Phone: 406-238-6380
Fax: 406-238-6399
Accepting New Patients Yes
MyChart Provider Yes

Pamela Barr, NP

Specialties: Gastroenterology
Primary Location:
SCL Health Medical Group - Billings Gastroenterology
1144 N Broadway Ste C
Billings, MT 59101
Phone: 406-238-6380
Fax: 406-238-6399
Accepting New Patients Yes
MyChart Provider Yes

Stephen Baum, MD

Specialties: Gastroenterology
Primary Location:
SCL Health Medical Group - Billings Gastroenterology
1144 N Broadway Ste C
Billings, MT 59101
Phone: 406-238-6380
Fax: 406-238-6399
Accepting New Patients Yes
MyChart Provider Yes

Erica Boettcher, MD

Specialties: Gastroenterology
Primary Location:
Kaiser Permanente Rock Creek
280 Exempla Cir
Lafayette, CO 80026
Phone: 303-649-5300
Fax: 303-861-3674

Elizabeth Brakebush, PA

Specialties: Gastroenterology
Primary Location:
SCL Health Medical Group - Billings Gastroenterology
1144 N Broadway Ste C
Billings, MT 59101
Phone: 406-238-6380
Fax: 406-238-6399
Accepting New Patients Yes
MyChart Provider Yes

Jennifer Brenner, MD

Specialties: Gastroenterology
Primary Location:
Colorado Gastroenterology
1960 N Ogden St # 220
Denver, CO 80218
Phone: 303-861-0808
Fax: 303-861-2193

Joseph Cassara, MD

Specialties: Gastroenterology
Primary Location:
Kaiser Permanente Rock Creek
280 Exempla Cir
Lafayette, CO 80026
Phone: 303-649-5300
Fax: 303-861-3674

Steven Chetham, MD

Specialties: Gastroenterology
Primary Location:
Gastroenterology of the Rockies
1551 Professional Ln Ste 290
Longmont, CO 80501
Phone: 303-604-5000
Fax: 720-890-0364
Accepting New Patients Yes

Eugene Crafton, MD

Specialties: Gastroenterology
Primary Location:
Grand Junction Gastroenterology
1035 Wellington Ave
Grand Junction, CO 81501
Phone: 970-242-6600
Fax: 970-241-8443

Paul Deneault, MD

Specialties: Gastroenterology
Primary Location:
Rocky Mountain Gastroenterology
10001 N Washington St
Thornton, CO 80229
Phone: 303-252-4442
Fax: 303-255-2190

Robert Dolan, MD

Specialties: Gastroenterology
Primary Location:
Gastroenterology of the Rockies
13952 Denver West Pkwy Bld 53 Ste 100
Lakewood, CO 80401
Phone: 303-604-5000
Fax: 720-890-0364

Stephen Ferney, MD

Specialties: Gastroenterology
Primary Location:
SCL Health Medical Group - Butte Surgical Associates
435 S Crystal St Ste 230
Butte, MT 59701
Phone: 406-723-2951
Fax: 406-496-3609
Accepting New Patients Yes
MyChart Provider Yes

David Gatof, MD

Specialties: Gastroenterology
Phone: 406-723-2951
Fax: 406-496-3609
Accepting New Patients Yes

James Higham-Kessler, MD

Specialties: Gastroenterology
Primary Location:
Rocky Mountain Gastroenterology
10001 N Washington St
Thornton, CO 80229
Phone: 303-252-4442
Fax: 303-255-2190

Keri Hill, MD

Specialties: Gastroenterology
Primary Location:
SCL Health Medical Group - Billings Gastroenterology
1144 N Broadway Ste C
Billings, MT 59101
Phone: 406-238-6380
Fax: 406-238-6399
Accepting New Patients Yes
MyChart Provider Yes

Matthew Karowe, MD

Specialties: Gastroenterology
Primary Location:
Gastroenterology of the Rockies
1755 48th St #100
Boulder, CO 80301
Phone: 303-604-5000
Fax: 720-890-0364

Wesley Kasen, MD

Specialties: Gastroenterology
Primary Location:
Kaiser Permanente Rock Creek
280 Exempla Cir
Lafayette, CO 80026
Phone: 303-649-5300
Fax: 303-861-3674
Accepting New Patients Yes

Ashley Kramer, PA

Specialties: Gastroenterology
Primary Location:
Rocky Mountain Gastroenterology
10001 N Washington St
Thornton, CO 80229
Phone: 303-252-4442
Fax: 303-255-2190

Daus Mahnke, MD

Specialties: Gastroenterology
Primary Location:
Gastroenterology of the Rockies
11990 Grant St Ste 360
Northglenn, CO 80233
Phone: 303-604-5000
Fax: 720-890-0364

Teal Mefford, NP

Specialties: Gastroenterology
Primary Location:
Rocky Mountain Gastroenterology
10001 N Washington St
Thornton, CO 80229
Phone: 303-252-4442
Fax: 303-255-2190

Louis Morris, MD

Specialties: Gastroenterology
Primary Location:
Kaiser Permanente Lone Tree
10240 Park Meadows Dr
Lone Tree, CO 80124
Phone: 303-386-1365
Fax: 303-861-5818

Richard Moseley, MD

Specialties: Gastroenterology
Primary Location:
Gastroenterology of the Rockies
1755 48th St #100
Boulder, CO 80301
Phone: 303-604-5000
Fax: 720-890-0364

Jennifer Moss, MD

Specialties: Gastroenterology
Primary Location:
Rocky Mountain Gastroenterology
10001 N Washington St
Thornton, CO 80229
Phone: 303-252-4442
Fax: 303-255-2190

John Napierkowski, MD

Specialties: Gastroenterology
Primary Location:
Kaiser Permanente Rock Creek
280 Exempla Cir
Lafayette, CO 80026
Phone: 303-649-5300
Fax: 303-861-3674

David Nolan, MD

Specialties: Gastroenterology
Primary Location:
Kaiser Permanente Lone Tree
10240 Park Meadows Dr
Lone Tree, CO 80124
Phone: 303-386-1365
Fax: 303-861-5818

Tamas Otrok, MD

Specialties: Gastroenterology
Primary Location:
Gastroenterology of the Rockies
1551 Professional Ln Ste 290
Longmont, CO 80501
Phone: 303-604-5000
Fax: 720-890-0364

Brent Prosser, MD

Specialties: Gastroenterology
Primary Location:
Grand Junction Gastroenterology
1035 Wellington Ave
Grand Junction, CO 81501
Phone: 970-242-6600
Fax: 970-241-8443

Matthew Quallick, MD

Specialties: Gastroenterology
Primary Location:
Kaiser Permanente Franklin
2045 Franklin St
Denver, CO 80205
Phone: 303-649-5300
Fax: 303-861-3225

Ramu Raju, MD

Specialties: Gastroenterology
Primary Location:
Gastroenterology of the Rockies
382 S Arthur Ave
Louisville, CO 80027
Phone: 303-604-5000
Fax: 720-890-0364
Accepting New Patients Yes

Shazad Rana, MD

Specialties: Gastroenterology
Primary Location:
Rocky Mountain Gastroenterology
10001 N Washington St
Thornton, CO 80229
Phone: 303-252-4442
Fax: 303-255-2190
Accepting New Patients Yes

John Riopelle, DO

Specialties: Gastroenterology
Primary Location:
Kaiser Permanente Lone Tree
10240 Park Meadows Dr
Lone Tree, CO 80124
Phone: 303-386-1365
Fax: 303-861-5818

Kevin Rufner, MD

Specialties: Gastroenterology
Primary Location:
Colorado Gastroenterology
1960 N Ogden St # 220
Denver, CO 80218
Phone: 303-861-0808
Fax: 303-861-2193

Andrew Samuelson, MD

Specialties: Gastroenterology
Primary Location:
Kaiser Permanente Rock Creek
280 Exempla Cir
Lafayette, CO 80026
Phone: 303-649-5300
Fax: 303-861-3674

Brenda Sassen, FNP, APRN

Specialties: Gastroenterology
Primary Location:
Rocky Mountain Gastroenterology
10001 N Washington St
Thornton, CO 80229
Phone: 303-252-4442
Fax: 303-255-2190

Steven Seagren, MD

Specialties: Gastroenterology
Primary Location:
Grand Junction Gastroenterology
1035 Wellington Ave
Grand Junction, CO 81501
Primary Location:
Steven Douglas Seagren MD
2121 North Ave
Grand Junction, CO 81502
Phone: 970-242-0731
Fax: 970-985-7801

William Shields, DO

Specialties: Gastroenterology
Primary Location:
Grand Junction Gastroenterology
1035 Wellington Ave
Grand Junction, CO 81501
Phone: 970-242-6600
Fax: 970-241-8443

Kevin Sieja, MD

Specialties: Gastroenterology
Primary Location:
Colorado Gastroenterology
1960 N Ogden St # 220
Denver, CO 80218
Phone: 303-861-0808
Fax: 303-861-2193

Leslie Stark, MD

Specialties: Gastroenterology
Primary Location:
Kaiser Permanente Franklin
2045 Franklin St
Denver, CO 80205
Phone: 303-649-5300
Fax: 303-861-3225

Thomas Trouillot, MD

Specialties: Gastroenterology
Primary Location:
Colorado Gastroenterology
1960 N Ogden St # 220
Denver, CO 80218
Phone: 303-861-0808
Fax: 303-861-2193
Accepting New Patients Yes

Bruce Walker, MD

Specialties: Gastroenterology
Primary Location:
Rocky Mountain Gastroenterology
4500 E 9th Ave Ste 560
Denver, CO 80220
Phone: 303-388-6874
Fax: 303-322-0945

Peter Walsh, DO

Specialties: Gastroenterology
Primary Location:
Bozeman Health GI Clinic
931 Highland Blvd Ste 3350
Bozeman, MT 59715
Phone: 406-414-5336
Fax: 406-414-5337

Emily Ward, MD

Specialties: Gastroenterology
Primary Location:
Gastroenterology of the Rockies
13952 Denver West Pkwy Bld 53 Ste 100
Lakewood, CO 80401
Phone: 303-604-5000
Fax: 720-890-0364
Accepting New Patients Yes

Gareth Weiner, MD

Specialties: Gastroenterology
Primary Location:
Rocky Mountain Gastroenterology
10001 N Washington St
Thornton, CO 80229
Phone: 303-252-4442
Fax: 303-255-2190

George Winters, MD

Specialties: Gastroenterology
Primary Location:
Grand Junction Gastroenterology
1035 Wellington Ave
Grand Junction, CO 81501
Phone: 970-242-6600
Fax: 970-241-8443

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