Advisory Board

Tamara Bavousett

Tamara Bavousett DNP, RN, C-PNP

Owner and Practitioner
Compass Pediatrics, PLLC

After completing her DNP at Texas Tech University in 2010, Tamara opened Compass Pediatrics, a new primary medical office in Odessa, Texas. Compass Pediatrics serves the medical needs of children from birth to 21 years of age. She offers well child care, patient/family education, vaccines, chronic disease management and sick child visits.

Tamara recognizes the need to educate nursing students at all levels of skill and degree. Tamara has served as preceptor to ADN students from Odessa College; traditional baccalaureate nursing students, RN second degree and BSN students from Texas Tech University Health Sciences Center; BSN students from Angelo State University, Eastern New Mexico University and University of Phoenix; MSN and Nurse Practitioner students from Texas Tech University Health Sciences Center, University of Texas at El Paso and Texas A&M University. She has also had many high school students and college freshman shadow her in her current NP role. Additionally, Tamara serves as adjunct faculty for pediatric NP students at TTUHSC.

Ray Davis

Ray Davis, BBA

Chief Information Officer
Sierra Providence Health Network, El Paso, TX

Ray Davis is the Chief Information Officer at Sierra Providence Health Network (SPHN) in El Paso, Texas. He has been anchoring hospital information technology for the organization for 31 years.  He has been involved in all technology aspects to include planning, EMR systems, HIE systems, internal development, networks, telecommunications, voice systems, servers, clinical applications, financial and support applications, data centers, disaster recovery, databases, wireless infrastructure, desktop infrastructure, security, PACS, and project management. He has managed and implemented more than a thousand major projects.

He works closely with Tenet corporate to make sure SPHN meets corporate Information Technology guidelines and requirements. Ray just recently served a three year appointment by Governor Rick Perry to the Texas Health Services Authority Board, responsible for overseeing HIE implementation for the state of Texas. He is also assisting El Paso in setting up their own local HIE for the surrounding area. He has long served SPHN, Tenet Healthcare, and the El Paso community.

Brent Magers

Brent Magers, MS, MA, FACHE, CMPE

Executive Associate Dean of the School of Medicine
Chief Executive Officer of the Medical Practice Plan

Brent D. Magers has approximately 30 years experience in the healthcare industry. In his current role, he is responsible for all aspects of Texas Tech Physicians of Lubbock, a multi-specialty academic practice plan comprising more than 190 physicians associated with the Texas Tech University Health Sciences Center (TTUHSC) School of Medicine in Lubbock. He also serves as the Executive Director of Texas Tech Physicians Associates - a 501 (c) (3) that conducts business on behalf of the regional campuses of the Texas Tech HSC Medical School and the TTUHSC Paul L. Foster Medical School in El Paso. During his time with Texas Tech Physicians of Lubbock, the practice plan has consistently increased its monthly collections, improved its patient satisfaction and started participation in several quality improvement initiatives.

Prior to joining Texas Tech School of Medicine in 2007, Brent served as the President/CEO of Texas Health Harris Methodist Hospital Cleburne for 12 years and in senior administrative roles for two other hospitals. Brent is a Fellow in the American College of Healthcare Executives, a Certified Medical Practice Executive, and Certified Healthcare Financial Professional of the Healthcare Financial Management Association. Brent holds two master's degrees - one from the Texas Tech University and one from Trinity University in Healthcare Administration.

Robert Posteraro

Robert H. Posteraro, MD, MBI, FACR

Assistant Professor in Clinical Practice Management
TTUHSC, Lubbock, TX

Dr. Posteraro is an Assistant Professor in Clinical Practice Management at Texas Tech University Health Sciences Center, School of Allied Health Sciences. He graduated magna cum laude, Phi Beta Kappa, in cursu honorum from Fordham College, earned his MD degree from Yale University School of Medicine and his Master of Biomedical Informatics (MBI) degree from Oregon Health & Science University. After practicing radiology for twenty-nine years, Rob segued into full time teaching in 2009.

Carolyn Witherspoon

Angel Rios, MD

Private Practitioner
Obstetrics & Gynecology, El Paso, TX

Dr. Rios earned his medical degree from the University of Puerto Rico Medical School in 1988. He currently serves El Paso as a private practitioner and holds a Board Certification of OB/GYN by the American College of Obstetrics and Gynecology. Dr. Rios held the position of President of the El Paso County Medical Society. He continues to act as Medical Director of El Paso Day Surgery - Surgical Center and holds a position on the Board of Councilors for District 1 of the Texas Medical Association. As a councilor, he has been able to address questions of medical ethics and issues charters for and supervises a component of the county medical society.

Allen Schultz

Allen Schultz, MD

Family Practitioner
Abilene Primary Care Associates, Abilene, TX

Dr. Schultz earned a bachelor’s of science degree in chemistry at Texas Lutheran University in 1987 and completed medical school at Baylor College of Medicine in 1991. He attended residency in general surgery, urologic surgery, and family medicine. Dr. Schultz served as a general medical officer and flight surgeon in the United States Air Force from 1994 through 1998 before completing his family medicine residency at Texas Tech University Health Sciences Center in 2000. He has been in private practice in Abilene, Texas since completing residency and serves on hospital, County Medical Society, and Texas Medical Association committees.

Carolyn Witherspoon

Carolyn Witherspoon BSN, RN

Executive Director
Coalition of Health Services, Inc., Amarillo, TX

Carolyn Witherspoon was born and raised in and around rural Dimmitt, Texas. She received a bachelor of nursing degree in 1977 from West Texas State University. Following graduation, she honed her clinical skills in hospitals throughout Texas in a variety of disciplines including labor and delivery, pediatrics, and obstetrics. She graduated into nursing management in 1991 as the Nurse Manager of the Obstetrics Department at the Sid Peterson Memorial Hospital in Kerrville, Texas. She perfected her supervisory skills in nurse management in health care facilities in Hereford and Farwell, Texas before becoming the Director of Quality Assurance and Direct Healthcare Services for the Coalition of Health Services located in Amarillo, Texas in March, 1998.

In July, 2000 she was promoted to Interim Executive Director and in November, 2000 she became the permanent Executive Director of the Coalition where she oversees a variety of programs including the administration of healthcare to medically needy persons throughout the Texas Panhandle and South Plains, a regional health information network, programs providing services to families with children with special needs, an information and outreach program, and as fiscal intermediary for other nonprofit healthcare entities.

Mickey Schaefer

Mickey Schaefer

Chief Financial Officer
Sutton County Hospital District, Sonora, TX

Michelle “Mickey” Schaefer grew up in Sonora, Texas where she returned after earning a Bachelor of Business Administration from Angelo State University in 1984. She has worked as the Chief Financial Officer for the Sutton County Hospital District since 2002, and oversees a plethora of services within her district such as the Critical Access Hospital, Rural Health Clinic, Emergency Medical Services, and the Lillian M. Hudspeth Wellness Center. She also currently serves on the Texas Health and Human Services Commission State Managed Medicaid Board. Since its inception she has actively guided the hospital and its physicians in attesting to Meaningful Use. In 2006 her district was one of the first in the medical industry to install an Electronic Health Records system. Most importantly, her experiences in Sonora have helped her understand the unique challenges rural communities face. She is passionate about the work she does in Sonora and is incredibly eager to help others navigate the often-difficult challenges that only rural communities experience.