Daniel Griffin, MD received his undergraduate degree from the University of Colorado, Boulder. He received his medical degree from New York University School of Medicine, and his training in internal medicine at the University of Utah. He completed additional training through Johns Hopkins University. Dr Griffin has been working in Fort Collins since 1999 and is board certified in internal medicine.

David Mook, MD received his medical degree from the University of Missouri at Kansas City Medical School and completed his Internal Medicine residency through the UMKC Affiliated Hospitals' consortium. He has been practicing medicine for twenty nine years. He is also an accomplished percussionist having played with the Kansas City Philharmonic and an award winning film maker.

William Lopez, MD is a Fort Collins native who attended the University of Colorado Medical School, and received his training in internal medicine at the University of Colorado Health Sciences Center and Presbyterian Hospital. He is married with 2 children and 3 grandchildren.

Richard Johnson, MD has over thirty years of experience practicing internal medicine, all in the Fort Collins area. He holds a bachelor's and medical degree from the University of Kentucky, and his internship and residency were done at the University of Kentucky Medical Center. He is board certified in Internal Medicine.

Maureen Dieterich, NP is a certified Adult Nurse Practitioner. She received her undergraduate degree from Hunter College in New York City, and her graduate degree from the University of Colorado Health Sciences Center. Maureen brings Internal Medicine and Gastroenterology experience, having cared for patients in the Fort Collins community since 1996.