Michael MacechkoMICHAEL MACECHKO, M.D.

Full-Time Residency Faculty, Residency Director

Dr. Macechko moved to Fayetteville at a young age, then graduated from Miami University in Oxford, Ohio, in 2005.  Dr. Macechko graduated from the University of Arkansas for Medical Sciences in 2009 and completed his Family Medicine Residency at the UAMS Northwest Family Medicine Program in 2012.

Dr. Macechko completed a two-year UAMS Regional Programs Academic Fellowship. His special interests are resident health and well-being, geriatrics, pediatrics, preventative care, and chronic disease management.

In 2015, Dr. Macechko was appointed co-medical director of the Arkansas State Veterans Home in Fayetteville.

He enjoys spending time with his wife, Merin, and their children, Henry and Anna Kate, and watching Razorback Sports, along with any outdoor activity.

Linda McGhee, M.D.LINDA MCGHEE, M.D.

Full-Time Residency Faculty

Dr. McGhee graduated from the University of Arkansas for Medical Sciences in 1971. She is double-boarded in Pediatrics and Family Medicine.

Dr. McGhee has developed a keen interest in the treatment of HIV/AIDS patients and serves on several community, county and statewide boards related to this concern. Since 1992 she has been the Medical Director of the Washington County HIV Clinic, the first county HIV Clinic in the state of Arkansas. She was a past president of the Arkansas Academy of Family Physicians and has served on the Arkansas State Board of Health and the Arkansas State Medical Board. She previously served as vice chair of the Arkansas Minority Health Commission.

Dr. McGhee was born in Malvern, Arkansas.  She lives in the country outside of Fayetteville and has two children and two grandchildren. Some of Dr. McGhee’s other interests include independent studies, traveling, community service, reading, and gardening.


Ronald BrimberryRONALD BRIMBERRY, M.D.

Full-Time Residency Faculty

Dr. Brimberry graduated from the UAMS College of Medicine in 1981 and was awarded the Dr. Winston K. Shorey award by his classmates, recognizing his compassionate and humanitarian values. He completed his Family Medicine residency at the UAMS Department of Family and Preventive Medicine (DFPM) in 1984, and an Academic Family Medicine fellowship in 1985. An Assistant Professor from 1985-1991, he was involved in the DFPM’s Predoctoral Education Division. In 1991 he was promoted to Associate Professor. From 1992-1996, he served as the UAMS Family Medicine Residency Program Director, then served as the Associate Director from 1996-1997. Dr. Brimberry received the Outstanding Faculty Teaching Award from the UAMS Little Rock Family Medicine residency graduating Class of 1997.

From October 1997 through May 2000, Dr. Brimberry was in full-time private practice, including obstetrics at the St. Vincent MetroCentre Health Clinic in Little Rock. He returned to academics in June 2000 to join the faculty of the UAMS-NW Family Medicine residency program as an Associate Professor at the UAMS-NW Regional Program in Fayetteville. In 2019-2020 he served as the UAMS-NW Interim Family Medicine Residency Program Director.

Dr. Brimberry has served as the Medical Director for the UAMS Northwest Family Medical Centers in Fayetteville and Springdale. He enjoys all aspects of the practice of Family Medicine, including chronic disease management, preventive services for children and adults, and women’s health care.


Derrick Gray, M.D.DERRICK GRAY, M.D.

Full-Time Residency Faculty

Dr. Gray graduated from St. Matthews University in the Cayman Islands in 2006. His undergraduate degree was received from Southern University in Baton Rouge, Louisiana. He was saved from a collegiate football career by a knee injury.

Dr. Gray completed his Family Medicine Residency at UAMS Northwest in Fayetteville in 2010.

His special interests include endoscopy, chronic disease management, and healthcare for the homeless. Dr. Gray leads a test-taking study group for PGY-2 and PGY-3 residents monthly. Further, Dr. Gray oversees the Health Systems Management rotation for our PGY-2 and PGY-3 residents. In 2015, Dr. Gray was appointed co-medical director of the Arkansas State Veterans Home in Fayetteville. He is also the winner of the 2015 Regional Programs Excellence in Teaching Award.

Dr. Gray has a wife and two sons. His hobbies include reading, running, and football.  He is an LSU fan, and he enjoys coaching his son’s basketball team.


Brittany VaughnBRITTANY VAUGHN, M.D./M.P.H.

Part-Time Residency Faculty

Dr. Vaughn holds a bachelor’s degree in biology from Hendrix College in Conway, Arkansas, and received her medical degree, along with a master’s degree in public health, from the University of Arkansas for Medical Sciences in Little Rock in 2008. She completed her residency at St. Anthony Hospital in Denver, Colorado.

A native of Fayetteville, she worked as a physician at New West Physicians in Golden, Colorado, before returning to Arkansas in 2014. Her medical interests include women’s health, pediatrics, mental health and international health.

Her hobbies include travel, reading, and doing anything outdoors. She has made two trips to Africa – one to South Africa and one to Malawi.

She and her husband, Dr. Mark Vaughn, have two daughters, Millie and Mabel.


Leigh WadeLEIGH WADE, L.C.S.W.

Behavioral Health Faculty

Leigh Wade is a Licensed Clinical Social Worker who has practiced in the social work field since 2000. Her practice has included community mental health with families, individuals, and community partners. Since 2015, she has worked to build integrative behavioral health services at the UAMS Northwest Family Medical Centers in Fayetteville and Springdale. Her focus is on patient care, community collaborations, and educational guidance and teaching on mental and behavioral health to Family Medicine residents and students. She also supervises social work interns from the University of Arkansas at Fayetteville and the University of Arkansas at Little Rock within our integrated model of care. Ms. Wade also teaches mindfulness, wellness, and resiliency to our Family Medicine residents.

In her spare time, she takes advantage of living in the Ozarks. She loves the outdoors and enjoys hiking the Buffalo and Mulberry Rivers, boating, and camping. She also spends time reading, cooking, gardening, and spending time with family.


Hunter Judkins, M.D.Hunter Judkins, M.D.

Full-Time Residency Faculty

Dr. Judkins received his BA in Physics from the University of Arkansas in 1978, and he graduated from the University of Arkansas for Medical Sciences in 1982. He then went on to complete his Family Medicine Residency at the UAMS Northwest Family Practice Program in 1985. Shortly after, he moved to Fairbanks, Alaska, where he practiced Family Medicine for 28 years. He also served as the Medical Director for the Tanana Valley Clinic beginning in 2004.

He has a special interest in gastrointestinal problems, including extensive experience with diagnostic and screening colonoscopy including polyp removal and diagnostic EGDs. Dr. Judkins also has extensive experience performing vasectomies.

Dr. Judkins enjoys photography and playing the saxophone. He is also an avid outdoorsman, participating in activities such as biking, running, and Nordic skiing. He has been married to his lovely wife, Carole, for 33 years, and they have three grown children.



Clinical Pharmacist

Dr. Hudson is a native of Fayetteville, Arkansas. She completed her undergraduate training at the University of Arkansas at Fayetteville, receiving a Bachelor of Science in Agriculture. She then received her doctor of Pharmacy training at the University of Arkansas for Medical Sciences. After graduation, she completed an Ambulatory Care Specialty residency in Madison, Wisconsin. She has been Board Certified in Pharmacotherapy since 2002 and a Certified Diabetes Care and Education Specialist since 2015.

Dr. Hudson is an Associate Professor of Pharmacy Practice at the UAMS College of Pharmacy. She teaches in the pharmacy curriculum, precepts students on advanced pharmacy practice experiences, and precepts pharmacy practice residents. She has a clinical practice at the UAMS-Northwest Family Medical Clinic in Springdale where she educates and manages patients with a variety of disease states in the outpatient setting. She is involved in quality improvement and population health management insuring appropriate drug therapy of patients within UAMS Northwest Family Medicine clinics. She co-coordinates a pharmacotherapy rotation and a scholarly activity rotation for the family medicine residents.  She is also a preceptor at the student-led North Street Clinic located on the UAMS-NW campus.

Dr. Hudson’s research interests include diabetes self-management education and support, medication adherence, and health disparities. Dr. Hudson was awarded the American Association of Diabetes Educators- Pharmacy Community of Interest- practice of the year in 2019, the UAMS Chancellors Teaching Award for Society and Health Education excellence in 2016, and is president of the student run free clinics faculty association.

She currently resides in Springdale, AR, with her husband Bryan and their two children, Maggie and Will.


Edward YangEdward Yang, M.D.

Full-Time Residency Faculty

Dr. Yang is a 2018 graduate of the UAMS Northwest Family Medicine Residency and a 2015 graduate of the UAMS College of Medicine in Little Rock. Dr. Yang served as co-chief resident during the 2017-2018 academic year. He became a full-time residency faculty member in October, 2018. Dr. Yang was born in Wisconsin, but grew up on a chicken farm in Knoxville, Arkansas. His family is Hmong, originally from Laos by way of Thailand.

Dr. Yang works primarily as a hospitalist at Washington Regional Medical Center in Fayetteville, but he also attends in the hospital and clinic settings and sees patients at the Fayetteville Family Medical Center. He is a newlywed who married his wife Hanh in July 2019.



Full-Time Residency Faculty

Dr. Agesilas is a member of the UAMS Family Medicine Residency’s Class of 2014. Originally from Puerto Rico, she graduated from Universidad Iberoamericana (UNIBE) in July 2008. She holds a bachelor’s degree in biology from Antillean Adventist University in Mayaguez, Puerto Rico. She joined the UAMS Northwest faculty upon graduation from our program and has been a staple in the Springdale Family Medical Center ever since.

Dr. Agesilas plays the violin and the viola. She enjoys traveling, spending time with friends, arts and crafts, investing time reading good books, listening to thriller audio books, autobiographies, and podcasts. She is bilingual (English and Spanish) and has basic knowledge of French.  She has also traveled extensively.


Sheldon RiklonSheldon Riklon, M.D.

Part-Time Residency Faculty

Dr. Riklon joined the UAMS Northwest faculty in August 2016. He splits his time between the Family Medicine Residency Program, the UAMS Office of Research and Community Health, and Community Clinic in Springdale. Dr. Riklon is one of only two Marshallese doctors practicing in the U.S.

He came to UAMS from the John A. Burns School of Medicine at the University of Hawaii, where he served as family medicine clerkship director and as a faculty member in the UH Family Medicine Residency Program. He is a 2001 graduate of that residency program and a 1998 graduate of the Burns A. School of Medicine. He holds a bachelor’s degree in biology from the University of Hawaii at Hilo.

He is the inaugural holder of the UAMS Peter O. Kohler M.D. Endowed Chair in Health Disparities.


Sharon Reece, M.D.Sharon Reece, M.D.

Full-Time Residency Faculty

Dr. Reece joined the UAMS Northwest Department of Family and Preventive Medicine as an Assistant Professor in February 2021. She completed her medical school, family medicine residency, and emergency medicine fellowship at the University of Toronto. She has been recognized at the provincial level by the Alberta College of Family Physicians and the Alberta Health Services for her leadership during the 2019 Alberta wildfires and for establishing an interprofessional virtual simulation program for pandemic preparedness in rural emergency departments across Alberta. She has also be recognized at the national level for her research in rural health disparities by the College of Family Physicians of Canada. She is an expert in simulation-based education and has published research in areas such as rural trauma, women’s health, and simulation-based education.