Amarillo Medical

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 Amarillo Medical

Robert Bidwell, MD

Family Medicine and Lab Director

Dr. Bidwell is Board Certified in Family Medicine. He has been in practice for 25 years; 10 years in private practice and 15 years in community health centers. He received his medical degree from Texas Tech University Medical School, and completed his Family Medicine Residency in Lubbock, Texas in 1990.

He is a member of the American Academy of Family Physicians and a member of the Christian Medical and Dental Society. He has served on the Hereford Regional Medical Center Board of Regents and an alternate delegate for the South Texas Chapter of the Texas Academy of Family Physicians. He was the CMO of RHN from 2007 – 2009, and has been the Laboratory Director since 2009. Dr. Bidwell is fluent in English and Spanish.

Jessie Dieguez-Arsenault, MD

Pediatrician

Dr. Jessie Dieguez-Arsenault is a Board Certified Pediactrician. Dr. Dieguez-Aresenault was born in Lima, Peru and moved to Miami, Florida at the age of twelve years. Dr. Dieguez-Arsenault attended medical school at St. Georges University and completed her pediatric residency at Louisiana State University in New Orleans. She worked as a pediatric hospitalist after completing residency at Broward General Medical Center in Fort Lauderdale, Florida. Dr. Dieguez-Arsenault is fluent in Spanish and English.

Ghassan Khoury, MD

Internal Medicine

Dr. Khoury is Board Certified in Internal Medicine. Dr. Khoury received his medical degree from the University of Jordan after participating in a number of transnational medical workshops in Europe and the Middle East. Prior to completing his Internal Medicine residency at Texas Tech University Health Sciences Center in Amarillo, Khoury held clinical and medical positions at The University of New Mexico, University of Texas MD Anderson Cancer Center, and the Comprehensive Cancer Centers of Nevada. Dr. Khoury speaks English, Arabic, and French.

Morgan Leak, MD

Internal Medicine and Chief Medical Officer

Dr. Leak, a Midland native, completed undergraduate studies at University of Texas of the Permian Basin and received his medical degree from Texas Tech School of Medicine in Lubbock. Dr. Leak completed his residency training at the Texas Tech University Health Sciences Center Internal Medicine program in Amarillo. While completing his residency Dr. Leak also served as Chief Resident and as a board member for the General Medical Education Committee. In addition to being the Chief Medical Officer for RHN, he is currently Medical Director for Hospice Care of the Southwest in Amarillo.

Anastasiia Paterson, MD

Family Medicine & Geriatrics

Dr. Paterson is Board Certified in family Medicine. Originally from Ukraine, Dr. Paterson attended medical school at Zaporozhye State Medical University and completed her family medicine residency at Texas Tech University in Amarillo while also serving as chief resident. Following residency, Dr. Paterson completed a fellowship in geriatrics at the University of Southern California in Los Angeles. Dr. Paterson is fluent in English, Russian, and Ukrainian.

Matthew Turrie, MD

Pediatrician

Dr. Turrie, a Houston native, completed undergraduate studies in neuroscience at the University of Texas at Dallas and received his medical degree from Texas Tech School of Medicine in Lubbock. Dr. Turrie completed his residency training at the Texas Tech University Health Sciences Center Pediatrics program in Amarillo.

Nguyen Vo, MD

Family Medicine

Dr. Vo is Board Certified in Family Medicine. Dr. Vo graduated from the University of Houston with a Bachelor of Science in Computer Science. Dr. Vo graduated the Virginia Commonwealth University School of Medicine in Richmond, VA in 2011 with a Doctorate of Medicine. After graduation Dr. Vo completed his Family Medicine residency program at the Baylor affiliated Methodist Hospital in Baytown, Texas. Prior to joining RHN, Dr. Vo was working in urgent care in the Houston area. Dr. Vo is fluent in English and Vietnamese.

Leigha Barnes, PA-C

Physician Assistant

Leigha Barnes, is an Amarillo native who completed her undergraduate studies at Wayland Baptist University in Plainview, Texas. She received a Masters in Physician Assistant Studies from Texas Tech University Health Sciences Center, where she was a member of the Alpha Eta Honor Society. She worked for three years for Covenant Health System in Plainview prior to joining RHN 2012.

Wanda Clark, FNP

Family Nurse Practitioner

Wanda Clark completed her undergraduate studies at West Texas A&M University in Canyon, Texas. In addition, she also received her master’s degree in Nursing Administration and graduate degree and certification as a Family Nurse Practitioner from West Texas A&M University. Ms. Clark is accredited as an Advanced Practice Nurse through the American Nurses Credentialing Center.

Tanya DeLeon, FNP

Family Nurse Practitioner

Ms. DeLeon’s educational background includes a BA from University of Texas at Austin, a BSN from WTAMU in Canyon, and a MSN from WTAMU in Canyon. Ms. DeLeon has experience in family practice and internal medicine. Prior to joining RHN in May 2014, she worked with a family practice physician in private practice for 4 years.  Ms. DeLeon is fluent in English and German.

Levina Herr, FNP

Family Nurse Practitioner

Levina Herr is a native of Clayton, New Mexico and graduated from Frank Phillips Junior College with a LVN degree. Ms. Herr then graduated from Amarillo College with an Associate in Nursing before graduating from West Texas A&M University with Masters in Nursing Education. Ms. Herr was part of the Nursing Faculty at West Texas A&M University and then graduated with a post masters as a Family Nurse Practitioner. Ms. Herr is fluent in English and Spanish.