After graduation, Dr. Dennis Klein was commissioned as a Lieutenant in the United States Navy and completed his internship and residency in family medicine at Naval Hospital Camp Pendleton in Camp Pendleton, California. He served as an officer in the US Navy Medical Corp in Washington, North Carolina, and California, along with several overseas deployments, including a tour in Operation Iraqi Freedom. His time spent as a Medical Officer aboard a US Aircraft Carrier and in combat zones honed his ability to accept new challenges and adapt to unique environments.
Following his military service, Dr. Klein moved to east Tennessee and joined a group practice in Morristown. There, he provided a full spectrum of care to his patients, including inpatient services. He was elected by his peers to serve as Chief of Staff at Morristown Hamblen Hospital, where he also served on the Board of Directors at Lakeway Regional Hospital in Morristown. He started his career with Apogee in 2010, becoming the Program Director. While at Lakeway, he earned the distinction of Apogee’s Program Director of the Year in 2011. As a result of Dr. Klein’s superior clinical skills and demonstrated leadership, he was promoted and transferred to Coeur d’ Alene, Idaho, in 2013, to become Apogee’s Division 1 President.
Dr. Jaime Upegui-Gomez received his medical degree from the Universidad Pontificia Bolivarian Medical School in Medellin, Colombia, South America, in 2003. He worked three years as an ER Attending and Director before coming to the United States to pursue his Internal Medicine residency. Dr. Upegui-Gomez completed his residency at St. Luke’s Roosevelt Hospital Centre at Columbia University in New York City, New York, in 2009.
Dr. Upegui-Gomez began his career with Apogee Physicians in 2010 and quickly became the Program Director at Women and Children’s Hospital in Lake Charles, Louisiana. Later in 2010, he was asked to join Apogee’s Physician Relations team and began working with other residency students who were searching for the “Destination Workplace.” Over the next two years, Dr. Upegui-Gomez continued to grow his role in Physician Relations while also fulfilling the role as Program Director at programs in Yakima, Washington; Spokane, Washington; and Spokane Valley, Washington. As a result of Dr. Upegui-Gomez’s superior clinical skills and demonstrated leadership, he was promoted to Division 2 President.
Dr. Peter Purrington received his medical degree from the George Washington University School of Medicine in Washington D.C., in 2001, and in 2012, graduated from the University of Maryland with an MBA. After graduating from medical school, Dr. Purrington began his residency at Womack Army Medical Center in Fort Bragg, North Carolina, where he became Chief Resident in his third year. Dr. Purrington continued his military career with the US Army upon completion of his residency and was a primary care provider during active duty. While on active duty, Dr. Purrington became a part-time hospitalist at Gateway Medical Center in Clarksville, Tennessee. In 2008, he listed as a US Army Reserve and became a full-time hospitalist at Gateway Medical Center.
When Apogee Physicians took over the hospitalist program at Gateway Medical Center, Dr. Purrington was promoted to Program Director and served in that position for three years. His next leadership role with Apogee came as the Implementation Program Director for Apogee’s largest program in Fayetteville, North Carolina, overseeing 44 hospitalist providers. As a result of Dr. Purrington’s superior clinical skills and demonstrated leadership, he was promoted to Division 3 President.
Dr. Marvinny received his associate’s degree and bachelor’s degree in Biology from Reinhardt College in Waleska, Ga., and Jacksonville State University in Jacksonville, Ala., respectively. He also received his Medical Degree in Osteopathic Medicine from Pikeville College School of Osteopathic Medicine in Pikeville, Ky. Dr. Marvinny completed both his intern year and Internal Medicine Residency at Easton Hospital in Easton, PA and served as Chief Resident during his last year of Residency. He is a member of the American College of Physicians, American College of Osteopathic Internists and the American Osteopathic Association.
Dr. Marvinny started with Apogee Physicians 2006. He held Program Director positions in Medford, OR and Danville, VA before being promoted to Director of Clinical Implementation. In this role, Dr. Marvinny worked with partner hospitals to integrate Apogee processes, trained and supported new hospitalist teams, built relationships within the hospital departments and worked with Administrative teams to develop an integrative approach to patient care. As a result of Dr. Marvinny’s superior clinical skills and demonstrated leadership, he was promoted to Division 4 President in 2015.