Christopher Leigh Hallemeier MD

Gastrointestinal Cancer

Professor, Radiation Oncology, Mayo Medical School

200 1st St SWRochester, MN 55905
Phone+1 507-284-2511

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Education & Training

Mayo Clinic College of Medicine and Science (Rochester)Residency, Radiation Oncology, 2009 - 2013
University of MinnesotaInternship, Internal Medicine, 2008 - 2009
University of Minnesota Medical SchoolClass of 2008

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Certifications & Licensure

IA State Medical License 2022 - 2028
MI State Medical License 2019 - 2028
MN State Medical License 2009 - 2027
WI State Medical License 2011 - 2027
IL State Medical License 2022 - 2026
American Board of Radiology Radiation Oncology

Awards, Honors, & Recognition

CMS Meaningful Use Stage 2 Certification Centricity Patient Online, GE Healthcare, 2013, 2015-2017
CMS Meaningful Use Stage 2 Certification Mayo Clinic Electronic Notes, Mayo Clinic, 2013, 2015-2017
CMS Meaningful Use Stage 2 Certification Mayo Clinic Incorporate Lab Results, Mayo Clinic, 2013, 2015-2017

Clinical Trials

Comparing Proton Therapy to Photon Radiation Therapy for Esophageal Cancer Start of enrollment: 2019 Jun 26
RECRUITING
PHASE3
Non-Operative Management and Early Response Assessment in Rectal Cancer Start of enrollment: 2020 Jul 01
COMPLETED
NA
Roles: Contact, Principal Investigator

Publications & Presentations

PubMed

Overall Survival Among Patients With Hepatocellular Carcinoma Treated With External Beam Radiation Therapy: Individual Patient Data Outcomes From a Multinational Cohort.
Andrew M Moon, Ted K Yanagihara, Laura A Dawson, Jeong Il Yu, Theodore S Lawrence
Journal of Clinical Oncology. 2026-07-01
Executive summary of American Radium Society Appropriate Use Criteria for the treatment of locoregionally recurrent rectal cancer.
Eric D Miller, Krishan R Jethwa, Eric Dozois, Zhaohui Jin, Gerard Abood
Cancer. 2026-06-15
Esophageal cancer recurrence after multimodality therapy: analysis of patterns and implications on long-term survival.
Farah A Abdallah, Belisario A Ortiz, Robert A Vierkant, Carlos A Puig, K Robert Shen
Journal of Thoracic Disease. 2026-05-31

Press Mentions

Radiation an Important Addition to Treatment for Pancreatic Cancer Surgery CandidatesJanuary 5th, 2016
Radiation Oncology Program: 6.75 AMA PRA Category 1 Credit(s)TMJuly 18th, 2015
Randomized Trials for Esophageal, Liver, Pancreas, and Rectal CancersJanuary 7th, 2021