Dr. Rumans is on Doximity
As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.
- Connect with other colleagues in the same hospital or clinic
- Search all U.S. specialist profiles and refer a patient
- Read the latest clinical news and earn CME/CEU credits
Office
2825 8th Ave N
Billings, MT 59101Phone+1 406-238-2500- Is this information wrong?
Education & Training
Oregon Health & Science UniversityFellowship, Gastroenterology, 1984 - 1986
University of WashingtonResidency, Internal Medicine, 1981 - 1984- University of Washington School of MedicineClass of 1981
Certifications & Licensure
OR State Medical License 1984 - Present
MT State Medical License 1986 - 2026
NC State Medical License 2013 - 2019
WA State Medical License 1982 - 1986- American Board of Internal Medicine Internal Medicine
- American Board of Internal Medicine Gastroenterology
Publications & Presentations
PubMed
- 18 citationsEosinophilic gastroenteritis presenting with biliary and duodenal obstruction.Mark C. Rumans, David A. Lieberman> ;The American Journal of Gastroenterology. 1987 Aug 1
- 9 citationsHepatic abscesses as a complication of the sump syndrome: Combined surgical and endoscopic therapy. Case report and review of the literatureMark C. Rumans, Ronald M. Katon, Daniel K. Lowe> ;Gastroenterology. 1987 Mar 1
- 10 citationsScreening flexible sigmoidoscopy by primary care physicians. Effectiveness and costs in patients negative for fecal occult blood.Mark C. Rumans, Kent G. Benner, Emmet B. Keeffe, John M. Custis, Darrell R. Lockwood, Gregory E. Craner> ;The Western Journal of Medicine. 1986 Jun 1
Press Mentions
New CMS Star Ratings Ignore Socio-Economic FactorsDecember 5th, 2018
CMS Star Ratings Disproportionately Benefit Specialty Hospitals, Data ShowMarch 14th, 2018
Viewing the full profile is available to verified healthcare professionals only.
Find your profile and take control of your online presence:
