Physicians

Timothy J. Crowley, M.D.



Dr. Timothy J. Crowley is a graduate of the Creighton University School of Medicine. He completed his residency in internal medicine at Creighton University affiliated hospitals where he also served as the Chief Resident in internal medicine. Dr. Crowley is board certified in internal medicine and has served in leadership roles as Chairman of the Department of Internal Medicine at Bergan Mercy Medical Center and on the Medical Executive Committee. His interests include college basketball, travel and spending time with his wife and two dogs












Karen E. Joyce, M.D.



Dr. Karen Joyce was born and raised in San Jose, California and attended the University of Notre Dame where she received her undergraduate degree with a BS (with honors) in Microbiology. She went to Loyola University/Stritch School of Medicine, ouside of Chicago, where she earned her M.D. After Medical School she stayed on to complete her residency in internal medicine at Loyola University Medical Center. She moved to the Omaha area in 1990 to payback a military scholarship, and began her first practice experience at Ehrling-Bergquist Hospital, Offutt AFB. Following her Air Force duty she returned to Chicago to practice out of MacNeal Hospital in Berwyn, but ultimately decided to return to Omaha and make it home in 1997. She is married and has 3 children (and a dog and 2 cats). Dr. Joyce maintains her board certification in internal medicine and sees patients both in the office and hospital. Her interests are in diagnosis and chronic disease management, as well as in preventative care and getting to know her patients over time.









Julia A. Mullen, M.D.





Julia Mullen grew up in Red Oak, Iowa and graduated from Red Oak Community High School in 1984. She graduated Summa Cum Laude with a Bachelor’s degree in biology from Creighton University in 1986 and subsequently completed a Master’s degree in biology from Creighton in 1988. She taught biology, environmental science, and anatomy and physiology at the community college level for a couple of years and then returned to Creighton University for medical school and graduated Magna Cum Laude with her medical degree in 1995. She then did a residency in internal medicine. She completed her residency at Creighton in 1998 and joined the practice at Physicians of Internal Medicine. She became a member of the Alpha Omega Alpha Honor Society at Creighton in 1995. She is board certified in internal medicine and actively participates in board recertification through the American Board of Internal Medicine.









Robert L. Recker, M.D.



Robert L. Recker, M.D., received his medical degree from Creighton University School of Medicine in 1993. He completed his residency in internal medicine in 1997 and has been practicing primary care internal medicine at Physicians of Internal Medicine since 1998. He is board certified in Internal Medicine and has been a member of Alpha Omega Alpha honor society. Dr. Recker is an active member of Bergan Mercy Hospital staff and has an interest in quality improvement.












David H. Sambol, M.D.



David H. Sambol, M.D., is board certified in internal medicine. He received his medical degree from Creighton University Medical Center in 1984 where he also completed his internship and residency. He has over 25 years experience caring for the general needs of his adult patients sixteen years and older. Married since 1986, he has two grown children.












M. Alexander Shehan, M.D.



Matthew Alexander Shehan, M.D. received his medical degree from Creighton University medical center in Omaha, NE in 1993, graduating with honors. He has been a member of the Alpha Omega Alpha honor medical society since 1993. He completed his internal medicine training at Creighton University affiliated hospitals in 1996 and has been practicing with Physicians of Internal Medicine since then. He has maintained his board certification in Internal Medicine since 1996.












John A. Woodruff, M.D.



Dr. John Woodruff is a third-generation physician who grew up in Grand Island, Nebraska. He graduated from Nebraska Wesleyan University and the University of Nebraska School of Medicine. He completed his internal medicine residency at Creighton University, including an additional year of chief residency. He joined Physicians of Internal Medicine in 1987, board certified, and has remained in this practice since. He is an Assistant Clinical Professor for Creighton University and is involved in medical student education. He has been mentioned on the peer-nominated Best Doctors and Castle Connolly/U.S. News lists of general internists. Dr. Woodruff and wife Lori are parents of four daughters.