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Ankush Kalra, M.D.
in Denver

About Ankush Kalra, M.D.

Dr. Kalra received his undergraduate degree from Case Western Reserve University and his medical degree from Wright State University Boonshoft School of Medicine. Dr. Kalra went on to complete his internship and residency in internal medicine at Thomas Jefferson University Hospital. Dr. Kalra served on faculty at Case Western Reserve University School of Medicine and Louis Stokes Cleveland VA Medical Center before completing his fellowship in gastroenterology and hepatology at the University of California, Irvine.

Dr. Kalra’s clinical interests include colonoscopy screening and colorectal cancer prevention, inflammatory bowel disease, liver diseases and cirrhosis, esophageal disorders, and small bowel disorders.

Dr. Kalra has broad clinical research experience, including studies on quality in endoscopy and viral hepatitis in pregnancy. He has been awarded a research grant from the American College of Gastroenterology to study culinary medicine.

Outside of the office, Dr. Kalra enjoys traveling, cooking, staying active, and spending time with his wife and two daughters.

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Patient Care Philosophy

I strive to provide exceptional, patient-centered care that begins with building a strong, collaborative doctor-patient relationship. My guiding principle is to treat every patient as I would a member of my own family — with integrity, respect and compassion. I believe in blending evidence-based practice with a personalized approach to digestive health that embraces each individual’s needs and wishes.

Clinical Expertise

Colorectal cancer screening and prevention
Inflammatory Bowel Disease
Liver diseases and Cirrhosis
Small bowel disorders and capsule endoscopy
Esophageal disorders
Gastroesophageal reflux disease (GERD) 


Case Western Reserve University, Bachelor of Arts, Psychology
Wright State University Boonshoft School of Medicine, MD
Thomas Jefferson University Hospital, Residency and Internship, Internal Medicine  
University of California, Irvine, Fellowship, Gastroenterology and Hepatology Fellowship 

Board Certifications and Societies

Diplomate of the American Board of Internal Medicine
Diplomate of the Subspecialty of Gastroenterology/ABIM
American Society for Gastrointestinal Endoscopy

Associations and Memberships

American Gastroenterological Association
American College of Gastroenterology
American College of Physicians


Kim D, Kennedy J, Kalra A, Parekh N. Web-Based Culinary Medicine Curriculum for GI Fellows Improves Dietary Counseling Confidence (Poster). Oct 2021. The American College of Gastroenterology Annual Scientific Meeting, Las Vegas, NV.
Kalra A, Rombaoa C, Karnes WE. Adenoma detection rate and polyp distribution: Top performers find disproportionately more right-sided polyps (Poster). May 2019. Digestive Disease Week, San Diego, CA.

Rombaoa C, Kalra A, Dao T, Requa J, Ninh A, Samarasena JB, Karnes WE. Automated insertion time, cecal intubation, and withdrawal time during live colonoscopy using convolutional neural networks – a video validation study (Poster). May 2019. Digestive Disease Week, San Diego, CA.

Kalra, A, Lee, R. Fecal Microbiota Transplantation: A Salvage Treatment for Severe Clostridium difficile Infection in a Critically Ill Patient With Multiple Comorbidities (Poster). Oct 2018. The American College of Gastroenterology Annual Scientific Meeting, Philadelphia, PA.
Awarded Outstanding Poster Presenter.

Kushner T, Shaw P, Kalra A, Magaldi L, Monpara P, Bedi G, Krok K, Centkowski S, Dalldorf K, D’souza J, Halegoua-De Marzio D, Goldberg D, Levine L, Srinivas S, Lewis J, Forde K, Lo Re V.
Incidence, Determinants, and Outcomes of Pregnancy-Associated Hepatitis B Flares: A Regional Hospital-Based Cohort Study. Liver International. 2018 May;38(5):813-820.
PMID: 28941137
Awarded Second Place for Oral Presentation, June 2016 at 48th Annual Komarov Research Competition, Philadelphia, PA.
Poster presentation: November 2016, AASLD Liver Meeting, Boston, MA.

Yan L, Siddiqui AA, Laique SN, Saumoy M, Kahaleh M, Yoo J, Kalra A, Mathew A, Sterling J, Rao R, Lieberman M, Cosgrove N, Sharaiha RZ. A large multicenter study of recurrence after surgical resection of branch-duct intraductal papillary mucinous neoplasm of the pancreas. Minerva Gastroenterol Dietol. 2017 Mar;63(1):50-54.
PMID: 27824244
Poster presentation: May 2016, Digestive Disease Week, San Diego, CA.

Dr. Kalra, he's a wonderful doctor!

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Dr Kalra is always on top of everything and very thorough

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Dr. Kalra is very thorough, caring and patient. He has taken excellent care in helping me improve my health, and is a top care provider!

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South Denver GI Locations

Castle Rock Clinic

3911 Ambrosia St. #201 Castle Rock, CO 80109

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P: 303.788.8888
F: 303.660.6607

Castle Rock Endoscopy Center

3911 Ambrosia St. #200 Castle Rock, CO 80109

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P: 303.788.8888
F: 303-660-3996

Parker Clinic

9397 Crown Crest Blvd, Suite 221 Alpine Building Parker, CO 80138

Get Directions
P: 303.788.8888
F: 866.896.1158