Mark D. Barhorst, M.D.

Dr. Mark Barhorst has more than two decades of experience in the diagnosis and comprehensive management of pain. He seeks to improve the quality of life for each of his patients using a multidisciplinary approach to pain management.

Professional Credentials

  • Board Certified: Anesthesiology, American Board of Anesthesiology
  • Certificate of Added: Qualification in Pain Management, American Academy of Pain Management
  • Residency, Anesthesia: Mayo Clinic, Rochester, MN
  • Internship: Mayo Clinic, Rochester, MN
  • MD: Texas A&M Health Science Center, College Station, TX
  • Assistant Clinic Professor: Texas A&M Health Science Center, College of Medicine, College Station, TX

“I chose the field of pain management because it fits my gifts and personality well. People in pain are, for the most part, hugely underserved by medicine. I wanted to help relieve their suffering.”

“I am caring and compassionate by nature. I am also open and direct. My goal is to deliver comprehensive, multifaceted care to cure the patients I can cure and alleviate the suffering for those I cannot cure completely. Empathy helps me connect with my patients, so I can help them more effectively.”

Clayton M. Barhorst, M.D.

Dr. Clayton Barhorst uses comprehensive pain management techniques to treat painful conditions and improve quality of life for his patients. Through cutting-edge interventional injections/procedures, medication management and physical and cognitive therapy, he creates a personalized treatment plan for each patient to achieve and maintain maximum pain relief.

Professional Credentials

  • Board Certified: Anesthesiology, American Board of Anesthesiology
  • Fellowship, Pain Management: University of Virginia, Charlottesville, VA
  • Residency, Anesthesia: University of Alabama, Birmingham, Alabama
  • Internship: Baptist Health Systems, Birmingham, Alabama
  • MD: Texas A&M Health Science Center, College Station, TX

Vivian Oloo, P.A.

Vivian Oloo aims to deliver exceptional care to each patient by providing the time, knowledge, expertise and concern each person deserves. As a physician assistant, she is experienced in assessing acute, chronic and cancer pain patients and works in tandem with our physicians to provide medication management and care coordination.

Professional Credentials

  • Master of Science, Physician Assistant Studies: Stony Brook University, Stony Brook, NY
  • Bachelor of Science, Biology: East Stroudsburg University, East Stroudsburg, PA
  • American Academy of Physician Assistants
  • NCCPA Board Certified