Meet The Staff

Meet the Staff
Premium Medical Services in Farmington, NM

San Juan Endoscopy has a diverse and dedicated staff at the clinic ready to care for your specific needs. Whether the problem is minor or major, our doctors are equipped to support you and return your body to optimal health. Learn more about each of our doctors below and check back soon for more bios of our talented team.

Dr. Francisco Colon – Gastroenterologist

Dr-FrancisoDr. Colon attended the University of Puerto Rico for his undergraduate studies in 1965, after which he was accepted to the University Of Puerto School Of Medicine, where he received his Doctor of Medicine in 1974. He completed his residency at San Juan City Hospital in San Juan Puerto Rico in the field of internal medicine in 1977. He moved to New Orleans in 1977 to complete his Gastroenterology fellowship at Charity Hospital.

Following his fellowship, he started his own Gastroenterology practice in New Orleans in 1979 and continued to work there until 1998. Dr. Colon then moved to Alamogordo, New Mexico where he established a private Gastroenterology practice.

In 2000 he relocated his Gastroenterology practice to Farmington, New Mexico and continues to meet the digestive health needs of our community. Dr. Colon and several colleagues founded San Juan Endoscopy, LLC in 2007 where he served as the Medical Director until 2009. He currently holds membership in multiple professional organizations: New Mexico Medical Society, San Juan County Medical Society and ASGE. He has been married for 45 years to Marie and they have four grown children.

Dr. Armando Lopez De Victoria – Gastroenterologist

dr_lopezDr. Lopez attended the University of Puerto Rico in 1965 to receive a Bachelor of Science in Pre-med in 1968. He attended the University Of Barcelona School Of Medicine in 1968 for a Doctorate of Medicine.

He graduated in May of 1973 with special honors in Physiology, Biochemistry, Pathology, Pediatrics, Medicine, Surgery, Dermatology, and Orthorhinolarygology. His internship, residency, and Gastroenterology fellowship training was completed at Mount Sinai Medical Center in Miami Beach, Florida in 1979.

In 1979 he started a solo-private practice in Gastroenterology in Plano, Texas until 1986. He then accepted a position with a group practice in 1986 in Plano, Texas. He relocated to Gretna, Louisiana in 1995 to establish a private practice and remained there until 1996.

He moved to New Mexico In 1996 and started a solo-private practice in Alamogordo. In 2003 he returned to Texas and founded a solo-practice in Sulphur Springs. In 2005 he joined Four Corners Gastroenterology Consultants in Farmington where he and his partners have a very successful practice.

Dr. Lopez along with several colleagues founded San Juan Endoscopy, LLC in 2007. He served as the medical Director from December 2008 until September 2010 and remains an active Board Member. He is Board Certified in Internal Medicine and Gastroenterology. He resides here in Farmington with his wife Mary Ellen. He has six grown children.

Dr. George L. Payne – Family Practice

Dr-PayneDr. Payne attended the University of New Mexico for his undergraduate studies from 1987 until 1992. In August of 1992, he was accepted to the University of the New Mexico School of Medicine and graduated in 1996. He then moved to Ft. Worth, Texas in order to complete his Internship and Residency.

He worked at John Peter Smith Hospital and while there received extensive training in family practice medicine, gastroenterology, and emergency medicine. His residency was completed in June of 1999.

After his medical training was completed he relocated his family back to New Mexico and assumed a position with San Juan Medical Group here in Farmington. He continues to have a successful and growing practice.

Dr. Payne, along with several other colleagues founded San Juan Endoscopy, LLC in 2007 where he serves as the President of the Board. He currently holds membership in multiple professional organizations: American Academy of Family Physicians, American Medical Association, New Mexico Medical Society and The San Juan IPA. Dr. Payne is active in his church and community.

Dr. James J. Spence – Internal Medicine

dr_spenceDr. Spence attended the University of Missouri where he earned a Bachelor of Engineering Degree in 1968. He continued his studies at the University of Missouri to earn his Masters in Electrical Engineering in 1970.

He was accepted to the University of New Mexico in 1971, where he graduated with a Doctorate of Medicine. Dr. Spence then transferred to the University of Oklahoma, where he completed his internship and residency training of 1978. He returned to New Mexico and established a successful private practice in Farmington, where he currently practices today. He is an active and well respected member of the medical community, both on the local and state level.

In 2007, Dr. Spence, along with a number of colleagues, founded San Juan Endoscopy, LLC, where he serves as a board member. He holds membership in various organizations that include the New Mexico Medical Review Association and the Board of Directors of American Physicians Assurance. He currently serves as the Medical Director of the Intensive Care Unit/Cardiac care Unit at San Juan Regional Hospital and serves on the Advisory Board to the Institute of Public Health. In addition, he holds the presidential position of the ACIP for New Mexico.

He has co- founded and served as the president of Northwest New Mexico Hospice, the San Juan Regional Science Fair and San Juan IPA. He has also served as Chief of Staff at San Juan Regional Medical Center. He has held leadership roles with the American Health Quality Association, the San Juan United Way, the New Mexico Foundation of Medicare, and American College of Physicians, the CPI Clinical Prevention Initiative, the American Medical Review Association, and the New Mexico Medical Society.

Dr. Spence is board certified in Internal Medicine and Critical Care. Dr. Spence resides here in Farmington with his wife Peggy. They have four grown children.

Dr. Hakes

dr_hakesDr. Hakes joined San Juan Endoscopy in August of 2011. He received his medical degree in 2008 from Texas Tech University in Lubbock, Texas, where he organized a “Spanish for Medical Students” course that is now an elective for students at the medical school’s Health Sciences Center.

He then went onto complete a family medicine residency at John Peter Smith Hospital located in Fort Worth, Texas.

He is married with four children, who all enjoy active lifestyles and spending time together in the outdoors hiking, sight-seeing, camping and fishing, and serving in their local church.

Dr. Dwayne Gibbs – Trauma Surgeon


Dr. Gibbs is a native New Mexican who attended the University of New Mexico and received his Bachelor’s degree in Chemical Engineering in 1976. He continued his education at the University of New Mexico School Of Medicine to earn his Doctorate of Medicine in 1983.

He transferred to the University of Arizona in Tucson for his internship and residency training in General Surgery from 1984-1989. He has also had extensive training in Laparoscopic surgery.
After completing his medical training he returned to Farmington, New Mexico to establish a successful practice in General Surgery.

Dr. Gibbs is certified by the American Board of Surgery, The National Board of Medical Examiners, and The American College of Surgeons in Advanced Trauma and Life Support.

He holds membership in several professional organizations: American College of Surgeons, New Mexico Medical Society, and San Juan County Medical Society. Currently, he serves as the chief of staff and on the Board of Directors at San Juan Regional Medical Center.

In 2007, Dr. Gibbs and several colleagues founded the San Juan Endoscopy, LLC where he serves as an active Board Member. Dr. Gibbs has been a lifelong resident of the tri-city area and currently resides in Farmington with his wife Lori. They have two grown children.


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