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Gastroenterology Specialties, P.C.
Lincoln, NE

Matthew J. Hrnicek, M.D.
Matthew J. Hrnicek, M.D.

Dr. Hrnicek has been in practice since 2005. He is a graduate of the University of Nebraska College of Medicine in Omaha. He completed his Internship, Residency and Fellowship at the University of Nebraska College of Medicine. Dr Hrnicek is Board Certified in Gastroenterology by the America Board of Internal Medicine.

R. James Sorrell, M.D.
R. James Sorrell, M.D.

Dr. Sorrell has been in practice since 1995. He is a graduate of the University Of Nebraska College Of Medicine in Omaha, NE. He completed his Internship and Residency at the University of Utah Medical Center and his Fellowship at the University of Nebraska College of Medicine. Dr. Sorrell is Board Certified in Gastroenterology by the American Board of Internal Medicine.

Clark Antonson, M.D.
Clark Antonson, M.D.

Dr. Clark Antonson has been in practice since 1985. Dr. Antonson is a graduate of the University of Nebraska College of Medicine in Omaha. He completed his Residency at the University of Nebraska College of Medicine and his Fellowship at Kansas University Medical Center. Dr. Antonson is Board Certified in Gastroenterology by the American Board of Internal Medicine. Dr. Antonson is a fellow in the ACG.

Andrew D. Coen, M.D.
Andrew D. Coen, M.D.

Dr. Andrew D. Coen has been in practice since 2005. He is a graduate of the University of Nebraska College of Medicine in Omaha. He completed his internship, residency, and fellowship at the University of Utah Medical Center in Salt Lake City. Dr. Coen is Board Certified in Gastroenterology by the American Board of Internal Medicine.

Paul F. Petersen, M.D.
Paul F. Petersen, M.D.

Dr. Paul F. Petersen has been in practice since 1997. Dr. Petersen is a graduate of the University of Nebraska College of Medicine in Omaha. He completed his Residency at St. Louis University Hospital. Dr. Petersen completed his Fellowship at St. Louis University Hospital where he was Chief Fellow. Dr. Petersen is Board Certified in Gastroenterology by the America Board of Internal Medicine.

Gary W. Varilek, M.D.
Gary W. Varilek, M.D.

Dr. Gary W. Varilek has been in practice since 1986 and joined Gastroenterology Specialties in January 2001. He received his M.D. degree from Creighton University in Omaha, Nebraska. He completed his residency in Internal Medicine at Creighton University Affiliated Residency Program followed by a fellowship in Gastroenterology and Hepatology at the University of Iowa. He is board certified in both Internal Medicine and Gastroenterology/Hepatology. He is a Fellow of the American College of Gastroenterology.

Mark G. Griffin, M.D.
Mark G. Griffin, M.D.

Dr. Mark G. Griffin has been in practice since 1990. Dr. Griffin is a graduate of the University of Missouri-Kansas City School of Medicine. He completed his Residency at the University of Colorado Health Sciences where he served as a Clinical Instructor, Staff Physician Specialist, and Medical Director at a walk-in Clinic in Denver General Hospital. Dr. Griffin completed his Fellowship at the University of Kansas Medical Center. Dr. Griffin is Board Certified in Gastroenterology by the America Board of Internal Medicine.

Michael Roth, M.D.
Michael Roth, M.D.

Dr. Michael Roth is a graduate of the Universty of Nebraska College of Medicine in Omaha (2004). He completed both his Internal Medicine Residency, Gastroenterology fellowship, and advanced endoscopic training at the McGaw Medical Center of Northwestern Memorial Hospital in Chicago. Dr. Roth is Board Certified in both Internal Medicine and Gastroenterology.
Gastroenterology Specialties, P.C. - (402) 465-4545