Medical Providers

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Barry Holcomb, MD

A native Mississippian, attended Ole Miss and received his medical degree from the University of Mississippi School of Medicine in 1971. He also did his internal medicine training at the University Medical Center in Jackson. After two years with the Air Force in Alamogordo, New Mexico, Dr. Holcomb moved to Vicksburg, Mississippi, where he practiced internal medicine for 14 years in a large multi-specialty clinic. He moved to Grand Junction in the summer of 1990. He is a Fellow of the American College of Physicians and is certified by the American Board of Internal Medicine.

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Donald Maier, MD

A native of Albuquerque, New Mexico, attended the University of New Mexico and the University of New Mexico School of Medicine. He did his internal medicine residency and an additional year as chief medical resident in Portland, Oregon. After serving three years in the U.S. Navy in California at Naval Hospital Lemoore, Dr. Maier moved to Grand Junction in August 1991. He is a Fellow of the American College of Physicians and is certified by the American Board of Internal Medicine.

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David Johansen, MD

Grew up in Flagstaff, Arizona. He spent 2 years in Finland on a church service mission. After which, he received his medical degree from Creighton University in Omaha, Nebraska. He did his internal medicine training at Exempla St. Joseph Hospital in Denver, Colorado. Anxious to get out of the big city, he moved to Grand Junction in 2013 with his wife and daughter. He enjoys reading, hiking and the outdoors. He is a member of the American College of Physicians.

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Florian Seeberger, MD

A native of Berlin, Germany, received his medical degree from the Humboldt-Universitaet zu Berlin Charite in 2002 and his PhD in 2003. After moving to the U.S., he completed his Internal Medicine Residency Training (2004-2007) and an additional year as Chief Medical Resident at Norwalk Hospital, a program affiliated with Yale University School of Medicine in Connecticut. Dr. Seeberger moved to Grand Junction in 2008. He is a Fellow of the American College of Physicians and is certified by the American Board of Internal Medicine.

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Randall C. Coffey, MD

A native of Fort Worth, Texas. Prior to studying medicine he served in the Peace Corps in Costa Rica and taught high school math. He received his medical degree from Southwestern Medical School in Dallas, and did his internal medicine training at the University of Alabama at Birmingham. Before joining Internal Medicine Associates he worked on the Navajo reservation in Arizona and at the VA Medical Center in Grand Junction. He is a Fellow of the American College of Physicians and is certified by the American Board of Internal Medicine.
Now accepting CHP patients

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Kirsten Wiegert, NP

She spent the majority of her childhood growing up in Cedaredge, Colorado. After graduating from high school she joined the United States Army as a combat medic and served in the Colorado National Guard before her honorable discharge in 1996. She returned to the Grand Valley for a short time before relocating to the eastern plains of Colorado where she obtained her bachelor's degree in nursing. While there she worked in a variety of settings. She returned to Grand Junction in 2012 and joined Internal Medicine Associates while completing advanced education and licensure as a nurse practitioner. Kirsten is board certified by both the American Academy of Nurse Practitioners and the American Nurses Credentialing Center as an Adult and Gerontolgical Primary Care Nurse Practitioner.
Now accepting CHP patients