CENTRIC PHYSICIANS - Key Persons


Aaron Saul

Job Titles:
  • Primary Care Nurse Practitioner

Alicia Stack

Job Titles:
  • Call Center Staff Member
  • Call Center Nurse

Alyssa Stephenson

Job Titles:
  • Psychiatric Physician Associate

Amanda Reyes

Job Titles:
  • Primary Care Nurse Practitioner

Angela Chamberlin

Job Titles:
  • Director of Clinical Operations
  • Primary Care Nurse Practitioner

Annette Briley

Job Titles:
  • Call Center Staff Member
  • Call Center Manager

Barbara Wise

Job Titles:
  • Behavioral Health Medical Director / Psychiatrist

Bonnie Vela

Job Titles:
  • Clinical Care Coordinator

Brittany McGinnis

Job Titles:
  • Behavioral Health Receptionist

Brittney Beaumont

Job Titles:
  • Clinical Care Coordinator

Crystal Villanueva

Job Titles:
  • Psychiatric Nurse Practitioner

Cynthia Morehead

Job Titles:
  • Call Center Staff Member
  • Call Center Nurse

David Munoz

Job Titles:
  • Call Center Staff Member
  • Call Center Nurse

Derek Reyes

Job Titles:
  • Primary Care Nurse Practitioner

Diana Dolt

Job Titles:
  • Director of Clinic Business Development

Diana Wilson

Job Titles:
  • Call Center Staff Member
  • Call Center Nurse

Dominique Rasso

Job Titles:
  • Licensed Clinical Social Worker

Don Murrmann

Job Titles:
  • Certified Medical Director
  • Internal Medicine
Dr. Murrmann is board certified with the American Board of Internal Medicine and has practiced medicine for over 38 years. He attended Indiana University and completed his residency at the University of Missouri. During his time in Houston, Tx, Dr. Murrmann had the pleasure of working at every major hospital in their medical center. Dr. Murrmann is very passionate about what he does. He enjoys every interaction he has with his patients and their families. In his spare time, Dr. Murrmann likes to stargaze through his 14' astronomy dome.

Douglas Sander

Job Titles:
  • Neuropsychologist

Dr. Jesus Aranda

Job Titles:
  • Clinical Psychologist
  • Neuropsychologist / Director of Behavioral Health
Dr. Jesus Aranda is a clinical psychologist with an expertise in dementia and neuropsychology. He is the lead Coordinator for Centric Physicians Behavior Health team. Dr. Aranda attended Argosy University in Dallas and completed his residency at the Mississippi State Hospital and post-doctoral year with San Antonio State Hospital. Dr. Aranda is an expert in the diagnosis and treatment of severe psychiatric illnesses. As a neuropsychologist, he conducts neurobehavioral evaluations to help clarify diagnosis and assist with treatment plans of people with neurocognitive disorders (dementia, TBI, etc). Dr. Aranda also enjoys the opportunity to work with and help families understand brain changes that affect their loved ones. In his spare time, Dr. Aranda enjoys spending time with his family and playing tennis.

Dr. Virginia Barlow

Job Titles:
  • Primary Care Physician
  • Practice Physician
  • Trustee, San Antonio
Dr. Virginia Barlow, a family practice physician with an emphasis in geriatric care, is currently associated with Centric Physicians in San Antonio, Texas. The company's primary focus is on post-acute and nursing home care. Barlow began her career at St. Joseph's Hospital in Buckhannon, WV, where she provided family practice and obstetrical care from 1997 - 1999. Since beginning her career, she has held various roles including family practice, Chief Medical Officer and Medical Director. Barlow has touched many lives through her work in hospitals located in Coudersport, Pennsylvania, Potsdam, New York, The Woodlands, Texas and Kerrville, Texas. From 1997-1999, Barlow served on the Medical Executive Committee and Ethics Committee. She was also an elected member on the Physician Advisory Board for the Catholic Health Association of the United States of America from 2000 - 2004. The advisory board met twice a year to formulate a plan of action on topics such as "The Utilization of Birth Control in the Catholic Healthcare Setting," "Care of the Poor and Disparaged Persons" and "Physician Burnout." From 1996 - 2000, she served annually as a physician volunteer for Faith in Practice, a non-profit organization formed for the sole purpose of providing medical and surgical care to the under-served in the mountainous region surrounding Antigua, Guatemala. Barlow graduated from Texas State University in 1979, with a Bachelor's Degree in Music Education. In 1987, she began the Biology - MD Program at the University of Houston to fulfill her pre-medical requirements. She was accepted at The University of Texas Medical Branch of Galveston and ultimately graduated with a medical degree in May of 1994. She went on to complete the Memorial Southwest Family Practice Residency program in Houston, TX on June 30, 1997.

Efrem DeHughes

Job Titles:
  • Licensed Clinical Social Worker

Elizabeth "Ann" Maxey

Job Titles:
  • Call Center Staff Member
  • Call Center Nurse

Emily Lailhengue

Job Titles:
  • Family Nurse Practitioner

Gabrielle Castellanos

Job Titles:
  • Director of Strategic Operations

Gail Hubbard

Job Titles:
  • Psychiatric Nurse Practitioner
Gail Hubbard received her Bachelor of Science in Nursing from the University of Texas at Arlington and her Master of Science in Nursing from the UT Health Science Center - San Antonio. Gail started her nursing career in 2002 in the critical care and cardiac unit but has always had a passion for psychiatry. She has been a nurse practitioner for three years now and loves being able to make a change in her patient's lives. Gail always strives to treat her patients with respect, dignity, and with a holistic approach. She aims to treat all the needs of her patients and give them the best care suited for their needs. In her spare time, Gail enjoys exploring music venues with her husband listening to good music.

Grant Needham

Job Titles:
  • Primary Care Physician 's Associate

Jane "Roxann" Persing

Job Titles:
  • Call Center Staff Member
  • Call Center Nurse

Jeaneen Spears

Job Titles:
  • Call Center Staff Member
  • Call Center Nurse

Jessica Carvajal

Job Titles:
  • Clinical Care Coordinator

Jessica Vogt

Job Titles:
  • Clinical Care Coordinator

Kathleen "Kathy" Jordan

Job Titles:
  • Licensed Clinical Social Worker

Kathryn "Kat" Davis

Job Titles:
  • Call Center Staff Member
  • Call Center Nurse

Kayla Himphayvanh

Job Titles:
  • Certified Psychiatric Mental Health Nurse Practitioner
  • Psychiatric Nurse Practitioner
Kayla Himphayvanh is a board certified Psychiatric Mental Health Nurse Practitioner. She recently obtained her Master of Nursing in Science from the University of Texas Health Science Center in San Antonio and previously obtained her Bachelor of Science in Nursing at Hawaii Pacific University in Honolulu, HI.

Ketha Saunders

Job Titles:
  • Clinical Care Coordinator

Krystle Mecke

Job Titles:
  • Clinical Care Coordinator

Laura Bauml

Job Titles:
  • Neuropsychologist

Laura Givens - CEO, Founder

Job Titles:
  • Chief Executive Officer
  • Founder
Dr. Givens is founder and Chief Executive Officer of Centric Physicians, a Certified Medical Director, and is a Fellow of the American College of Healthcare Executives. She was raised in a military family and graduated from Judson High School in San Antonio, TX. Dr. Givens received her Bachelor of Science in Biology with a minor in Chemistry from Trinity University and received her Medical Degree from the University of Texas Medical Branch Galveston. She later received her Master of Healthcare Administration from Trinity University. Dr. Givens served in the United States Air Force medical corps, and retired in 2004, and has focused her practice in post-acute care since that time. Dr. Givens has a passion for helping others and developing strong relationships with the patients and facilities she serves. In her free time Dr. Givens enjoys spending time with her family and working with and training her two service dogs.

Leslie Acron

Job Titles:
  • Call Center Staff Member
  • Call Center Nurse

Linda Reid-Bonnema

Job Titles:
  • Primary Care Nurse Practitioner

Lisa Thomas

Job Titles:
  • Licensed Clinical Social Worker / Wyoming

Mac Rowlett

Job Titles:
  • Director of Business Development

Madisen Hall

Job Titles:
  • Primary Care Nurse Practitioner

Mandy Heffernan

Job Titles:
  • Clinical Care Coordinator

Martha Wilson

Job Titles:
  • Primary Care Nurse Practitioner / Wyoming

Megan Perez

Job Titles:
  • Call Center Staff Member
  • Call Center Nurse

Melissa Warden

Job Titles:
  • Clinical Care Coordinator

Michael "Brian" Green

Job Titles:
  • Psychiatric Nurse Practitioner

Michael Malinas

Job Titles:
  • Licensed Clinical Social Worker
  • Psychotherapist - Licensed Clinical Social Worker
Michael Malinas is a Psychotherapist-Licensed Clinical Social Worker (LCSW) and received his graduate degree from the University of Texas at Austin. He has been a psychotherapist for more than 40 years treating a wide range of clients and problems in clinics, hospitals and nursing homes. Michael loves working in long term nursing care and assisted living facilities to provide a personal connection to residents as they adjust to their new ‘homes', reminisce about the past and become members of their residential communities. When he's not immersed in caring for his patients, he's at home with his wife, 2 dogs and a cat or playing the guitar or piano.

Micheal "Manuel" Emperador

Job Titles:
  • Licensed Clinical Social Worker

Michele Lee

Job Titles:
  • Call Center Staff Member
  • Call Center Nurse

Michelle Mourre

Job Titles:
  • Primary Care Nurse Practitioner

Milton Shaw

Dr. Shaw is board certified and a Certified Medical Director with AMDA specializing in internal medicine. Dr. Shaw attended Rice University and the University of Health Science Center where he completed his residency. Dr. Shaw is the former president of the Texas Medical Director Association and currently sits on the board. He has been the Medical Director of Geriatrics in Kerrville for over 15 years. Dr. Shaw appreciates the personal interaction with his geriatric patients and enjoys golfing, traveling, and bird hunting.

Nissa Shakocious

Job Titles:
  • Licensed Clinical Social Worker

Peter Acosta

Job Titles:
  • Primary Care Physician
Dr. Acosta is board certified with the American Board of Family Practice. He completed his undergraduate degree at the University of Texas in Austin. Dr. Acosta fulfilled his medical degree at the Universidad Autónoma de Guadalajara and finished his residency at Good Samaritan Hospital. Dr. Acosta has over 40 years of experience and always strives to take a holistic approach when practicing medicine. He has a passion for helping others and enjoys traveling in his spare time.

Raymond Garcia

Job Titles:
  • Licensed Clinical Social Worker

Rosaria Taimouri

Job Titles:
  • Primary Care Physician
Dr. Taimouri has been practicing medicine since 1998. She received her bachelor's degree from the Texas Woman's University in Denton, Texas in 1991, graduated from medical school at the University of Texas Medical Branch in Galveston, Texas in 1995, and completed her medical residency in internal medicine at the University of Oklahoma in Tulsa, Oklahoma in 1998. Dr. Taimouri has spent the majority of her career serving the post-acute community. She is fluent in both English and Spanish and takes a holistic approach with her patients. Her greatest passion as a physician is building a relationship with her patients and families. When Dr. Taimouri is not caring for patients, she enjoys spending time with her family.

Ryan Coe - COO

Job Titles:
  • Chief Operating Officer

Sandra Frederick

Job Titles:
  • Call Center Staff Member
  • Call Center Nurse

Shalyn Kaufman

Job Titles:
  • Boerne Clinic Receptionist

Shannon Villani

Job Titles:
  • Call Center Staff Member
  • Call Center Nurse

Sharlie Nissen

Job Titles:
  • Clinical Care Coordinator

Sheila Leach

Job Titles:
  • Psychiatric Nurse Practitioner

Simmy Lewis

Job Titles:
  • Call Center Staff Member
  • Call Center Nurse

Stacy Benavides

Job Titles:
  • Call Center Staff Member
  • Call Center Nurse

Teresa Molsbee

Job Titles:
  • Director of Coding & Billing / Risk Management - Compliance Officer

Teresa Olivarez

Job Titles:
  • Billing Manager

Theresa Lyons

Job Titles:
  • Primary Care Nurse Practitioner

Tracie Ruiz

Job Titles:
  • Call Center Staff Member
  • Call Center Nurse

Viviana Barriga

Job Titles:
  • Call Center Staff Member
  • Call Center Nurse

Yvonne Zamarripa

Job Titles:
  • Call Center Staff Member
  • Call Center Nurse