Faculty & Current Residents

View faculty biographies below or read about current resident students by year:


    Sherman Straw, M.D., FAAFP
    Dr. Straw (Sherm) loves teaching residents! He became our director after 25 yrs experience with our program. Sherm has been: a resident, part-time faculty-when in private practice, full-time faculty, assistant director, and associate director. His focus is making complex things simple, individualizing residents' education & always teaching from current articles & EBM. He graduated from Northern Arizona University then Med School at the University of Arizona where he met his wife Betsy, who is a Middle School Teacher. They have 5 children; 1 blue, 4 pink, 4 horses & 5 dogs. Weekends find Sherm exploring our spectacular mountains, eating freshly caught trout & recharging in the wonder of Colorado's wilderness.

    Sabrina Mitchell, D.O., CAQ, Assistant Director
    Dr. Mitchell was raised, skiing, in Mammoth Lakes, CA. She received her BS in Physiology from UCSD & graduated from University of New England, College of Osteopathic Medicine; residency was at MSU-Sparrow in Lansing, MI. She then headed for sunnier climates moving to Farmington, New Mexico where she worked in a community health center, then opened a private practice & took on the job of Medical Director for Northwest New Mexico Hospice. Sabrina’s passions are hands on Osteopathic Manipulation, Palliative & End of Life care, & Non-Diet Weight Management. She is double boarded in Family Medicine and Hospice and Palliative Medicine. She has two daughters & enjoys riding her motorcycle, cooking, singing & teaching herself guitar. Her family is really enjoying all the great outdoor activities of the Grand Junction area.

    Elvera Whiteford, M.D.
    Dr. Elvi Whiteford is a "local" who graduated from Montrose High School and Fort Lewis College. She pursued her medical degree in California at Loma Linda University and stayed to finish her training in the Kaiser system. She completed an Obstetrical Fellowship at Arrowhead Regional Medical Center (the largest county program in California) and is proud to say she was primary in over 200 c-sections during her intense training.  She then joined the Faculty in Fontana until June 2007. She has eagerly made the return journey home to further pursue academic medicine and her special interest in obstetric and women's health.  Her newest and greatest "hobby" has been chasing her two sons, Jamison and Camden.  She also enjoys crazy adventures with her high school sweetheart and husband Justin.  In between, she manages to squeeze in scrapbooking, cooking, gardening and a few hikes.

    Keith Dickerson, M.D.
    Dr. Dickerson was born and raised in Reading, PA. He received his BS in electrical engineering and MS in biomedical engineering from Drexel University in Philadelphia, PA but felt drawn to a career in medicine.  He graduated cum laude and AOA from medical school at MCP in Philadelphia in 1997 and completed his residency in Family Medicine in 2000 at the University of New Mexico in Albuquerque. He then completed a four year Air Force commitment prior to joining St. Mary's in 2004, having now achieved ‘ten-yer’.   His current areas of professional focus are hospitalist/inpatient medicine, adult learning theory and practice, and graduate medical education optimization.  He, his wife Teresa, and their daughter Sophia enjoy bicycling, hiking, Nordic and Alpine skiing, gardening, along with making music, in their spare time.

    Christopher Taggart, M.D.Taggart copy





    Caroline Dorman, M.D.
    Dr. Dorman comes to the faculty after practicing nine years in Craig, Colorado. She brings a rural perspective to the care of patients. She has extensive experience in emergency care and obstetrics, covering this small rural hospital for nine years. Dr. Dorman grew up in Oregon and attended Reed College, then medical school at the University of Oregon and graduated from our residency program in 1999. She has three children. Dr. Dorman has been an activist in our state serving on the Copic Board and as the legislative chair of the Colorado AFP.

    Shannon Keel, M.D., FAAFP
    Dr. Keel grew up in Cortez, CO. After graduating from Stanford University she served in the Peace Corps in Cote d’Ivoire, West Africa. This experience led to her career in medicine at the University of Colorado, then residency in Denver. Family Medicine was a natural choice as it strives to care for the whole person & the whole family. Dr Keel’s passion for the underserved led her to practice not far from home - at the Navajo Reservation in Shiprock, New Mexico. She speaks Spanish, enjoys OB, public health, & international medicine. Shannon has 4 yrs of residency faculty experience & was teacher of the year in 2007. Her husband, Thad, is a local Vet. Family time emphasizes camping, skiing, & biking with their two children Jack & Anna, & their 2 dogs.

    Paul Simmons, M.D., FAAFP

    Dr. Simmons is a Colorado native.  After graduating with a degree in history from Baylor University, he attended the University of Colorado School of Medicine.  His family medicine residency was completed in Greeley, Colorado, where he was elected chief resident.  Dr. Simmons practiced family medicine including obstetrics, sleep medicine and endoscopy in rural areas of western Wisconsin and eastern Colorado, and was awarded the 2009 Rural Health Excellence Award by the Colorado Rural Health Center.  Since moving to Grand Junction, he has not only taught family medicine residents, but also undergraduate biology students and graduate nursing students at Colorado Mesa University.  His medical interests include physical examination, office procedures and evidence-based medicine.  Dr. Simmons and his partner, Courtney, have three neurotic dogs and enjoy traveling, hiking and good food.

    Richard Price, M.D., CAQ
    Dr. Price was born in Virginia to a military family that spent many years in Germany. He attended Colorado State University then Georgetown Medical School. He came back west to the University of Utah for Family Medicine Residency and his Sports Medicine Fellowship. He spent the past five years in practice in Mammoth California as a member of the USSA (US Ski Team & Snowboard Team) physician pool, a level 2 Certified USA Cycling Coach & team Physician for the USA Olympic Running Team. Rich is excited to help us start our Sports Medicine Fellowship & explore the area with his wife and their young twins.

    Monique Morisseau, M.D.
    Monique comes to the residency with a strong commitment to the underserved.  She grew up in Rhode Island, attending the University of New Hampshire for undergrad then Dartmouth Medical School & Brown’s Family Medicine Residency.  Her initial practice was with the Indian Health Service in Northern Arizona working with the Hopi & Navajo.  Monique has been with St Mary’s 15 yrs and especially enjoys teaching OB Ultrasound & connecting new residents with the wonders of the area.  She has 2 daughters with her energetic Irish husband.

    Randall Reitz, Ph.D.
    faculty_reitzDr. Reitz is our Director of Behavioral Sciences. He received a PhD in Marriage and Family Therapy from Brigham Young University in 2001. He directs our Medical Family Therapy Fellowship and the integrated mental health team.  His scholarly interests are professional identity development, trans-disciplinary training, and group medical appointments that he leads with our residents. Dr. Reitz speaks four languages (Spanish, French, Portuguese and English). Outside the clinic he is married to Ana Reitz, has three children, loves trail running, biking, and baking.

    Amy Davis, M.D., MPH, AAHIVM
    Dr. Davis has been the medical director of the Ryan White HIV Collaborative Clinic at SMFM since 2000.  Her passion in medicine has been for special populations and for the underserved.  Her hometown is Queensbury, NY.  She received her B.S. in biochemistry from Cornell University in Ithaca, NY and then attended medical school at SUNY -Buffalo.   She completed residency at Maine-Dartmouth Family Medicine Residency in August, Maine.  She practiced 4 years with the Indian Health Service on the Hopi Reservation before joining the SMFM faculty in 1996. Her husband Billi is an organic farmer. Together they have three children, Amelia, Flannery and Keino.

    Megan Lykke, MD

    Dr. Megan Lykke graduated from St Mary’s Residency in 2009, and after practicing in rural southern Colorado for 6 years, she liked it enough here to come back! She went to undergrad at Seattle Pacific University and then medical school at Michigan State University College of Human Medicine. She enjoys full-spectrum family medicine. Dr. Lykke loves mountain biking, hiking, and Nordic skiing the Colorado’s great outdoors with her husband David and two boys.

    Michael Olson, PhDOlson copy, LMFT

    Dr. Olson comes to us from the University of Texas Medical Branch where he has worked for the last 11 years and directed their behavioral medicine program. Prior to that he worked at the University of Nebraska Medical Center in Omaha, NE, co-directing the behavioral medicine program and developing a medical family therapy Ph.D. program with the UN-L faculty. He attended Brigham Young University for undergrad and his Masters degree in MFT, then Kansas State University for his Ph.D. in MFT and a post-doc fellowship in behavioral medicine from University of Texas Medical Branch. He is married to Camille Olson and together they have five children, Taylor, Caden, Sophia, Lauren, and Anna. Outside interests include music (piano), art, hiking, and Alpine skiing with the family.

    Mike Reeder, DO, CAQfacultyreedersptsmed
    Dr. Reeder attended Ohio University med school. He completed an ER Residency at Akron General & his Fellowship at Albany Medical Center in NY. He moved here in 1996 to work with the Residency, Mesa State College (now Colorado Mesa University) & private practice. He's interested in all aspects of non-surgical orthopedics/sports medicine, exercise physiology, & biomechanics. He especially enjoys bicycling, cross-country skiing, & time with his expanding family.

    Cassana Littler, M.D. Pediatric Champion
    Dr. Littler grew up in Northeast Colorado.  She graduated from the University of Colorado in Boulder with a molecular biology degree.  After doing translational research in the Cardiovascular and Pulmonary research center at the University of Colorado, she decided to attend medical school and graduated from the University of Colorado School of Medicine in Denver.  She completed her residency at Blank Children's Hospital in Iowa and joined Western Colorado Pediatric Associates in Grand Junction in 2010.  She has been the liaison for the pediatric rotation for SMFM since 2011.  In her spare time, she enjoys hiking, skiing and exploring the outdoors.

    Tonya Cook, Pharm.D.faculty_cook

    Dr. Cook is our pharmacy faculty. She completed her decorate of pharmacy at the University of New Mexico in 2005 and then completed a residency in Ambulatory Care at the Asheville VA in North Carolina.  Dr. Cook’s areas of interest include collaborative care, teaching, mental health, and pain management. Outside of work she enjoys reading, hiking and traveling.