Our Staff


W. Turney Williams, M.D.

W. Turney Williams, M.D.

  • B.S. in Chemistry: Northern State College, Aberdeen, SD.
  • M.S. in Bio-Chemistry: University of Nebraska, Lincoln, NE.
  • B.S. in Medicine: University of South Dakota School of Medicine, Vermillion, SD.
  • M.D. - Doctor of Medicine: Washington University School of Medicine, St. Louis, MO.
  • Internship in Surgery: University of Missouri Hospitals, Columbia, MO.
  • Fellowship: Neuroanesthesia, Mayo School of Medicine, St. Mary's Hospital.
  • Fellowship: Neurosciences, University of Missouri School of Medicine, Columbia, MO.

Sameh A. Ward, M.D.

Sameh A. Ward, M.D.

  • Undergraduate: Jesuite College, Cairo, Egypt
  • Medical School: Ain Shams Medical School, Cairo, Egypt.
  • Internship: El Sahel Teaching Hospital.
  • Residency: Orthopedic
  • Internship in General Surgery: Medical Center of Central Georgia.
  • Residency in Anesthesiology: Mercy Hospital of Pittsburgh.
  • Fellowship: Pain Medicine, Vanderbilt Medical Center.

David E. Dahl, M.D.

David E. Dahl, M.D.

  • B.S. in Integrative Biology: Brigham Young University, Provo, UT
  • MD – Doctor of Medicine: East Tennessee State University Quillen College of Medicine, Johnson City, TN
  • Internship: University of Tennessee Graduate School of Medicine, Knoxville, TN
  • Residency: Anesthesia Resident, University of Tennessee Graduate School of Medicine, Knoxville, TN
  • Fellowship: Pain Management, University of Utah School of Medicine, Salt Lake City, UT

C. Marcus Cooper, Ph.D. - Psychologist

C. Marcus Cooper, Ph.D. - Psychologist

  • Doctor of Philosophy: Department of Educational Psychology, University of South Carolina, Columbia, SC.
  • Doctoral of Natural Health, Clayton College of Natural Health, Birmingham, AL
  • Master of Education, Psychology: Department of Educational Psychology, University of South Carolina, Columbia, SC.
  • Master of Theology, Pastoral Counseling: Southern Methodist University, Dallas, TX.
  • Counseling Internship: Counseling and Human Development Center, University of South Carolina, Columbia, SC.
  • Pain Management Residency: Pain Therapy Centers, Greeneville Health Corporation, Greeneville, SC.

Tony Villanueva, P.T.

Tony Villanueva, P.T.

  • B.S. in Biology: West Visayas State University, Philippines.
  • B.S. in Physical Therapy: Cebu Doctor's College, Philippines.
  • Board Certified to Practice Physical Therapy in the State of TN since 1991.
  • Before joining Pain Medicine Associates in August 2006, Tony worked as a Director of an outpatient Rehab and Physical Therapy clinic which specialized in Orthopedic and Neuro-spinal conditions.

Holly Broadwater, F.N.P.

Holly Broadwater, F.N.P.

  • Holly Broadwater received a Bachelor of Science in Nursing from East Tennessee State University and a Master of Science in Nursing from Carson Newman College.
  • She is board certified as an Advanced Practice Nurse from A.N.C.C.
  • Before joining Pain Medicine in August of 2003, Holly worked as a Nurse Practitioner in the Emergency Room of a local hospital.

Cheryl Conrad, N.P.

Cheryl Conrad, N.P.

  • Cheryl Conrad received her Master of Science in Nursing from the University of Miami, Coral Gables, FL.
  • She is a board certified Family Nurse Practitioner through the A.N.C.C. She is a member of the American Academy of Nurse Pratitioner in the United States Army Reserve.
  • Ms. Conrad has experience in a variety of settings including emergency, urgent care, corrections and family practice prior to joining Pain Medicine Associates in February 2006.

Shannon Hollowell, F.N.P

Shannon Hollowell, F.N.P

  • Shannon Hollowell, FNP is one of the newest members to join the medical staff at Pain Medicine Associates, P.C. She holds a Master of Science degree in Nursing from East Tennessee State University.
  • Shannon received her board certification as an Advanced Practice Registered Nurse in April 2002 from the A.N.C.C. She has clinical experience in critical care, post anesthesia care and has worked over the past two years as a Family Nurse Practitioner with a local neurosurgical group.

Ben Meeks, F.N.P

Ben Meeks, F.N.P

  • Benjamin Meeks is a Johnson City native and began his professional career at East Tennessee State University, graduating in 1995 with a Bachelor of Science Degree in Nursing. He obtained real world addiction experience while a nurse at Woodridge Hospital.
  • He completed his Master of Science at University of Tennessee, Knoxville in the concentration of Family Nurse Practitioner in 1997, and was inducted into the national academic honor society for nursing, Sigma Theta Tau and was a National Health Service Core Fellow.
  • He has worked in the fields of pain management and psychiatry since his graduation from Tennessee and is a member of the American Academy of Pain Management.

John Powell, PA-C

John Powell, PA-C

  • Certified by the National commission for Certification of Physician Assistants, Mr. Powell received his bachelor of science from Wichita State University, Kansas. Serving in the rank of major for the Tennessee Army National Guard, Mr. Powell performs periodic physical examinations, fitness for duty evaluations-in addition to other related duties. He is currently ACLS certified.
  • Mr. Powell is a member of the American Academy of Physician Assistants, the Tennessee Academy of Physician Assistants, the National Society of Orthopedic Physician Assistants, the Society of Army Physician Assistants and the National Guard Officers Association of the United States.

Vickie Stufflestreet, L.P.N.

Vickie Stufflestreet, L.P.N.

  • Has assumed primary management role for patients receiving, implantable therapy - spinal cord stimulators on intratheed infusion pumps.
  • Certified to program and fill intrathecal pumps
  • Certified to program spinal cord stimulations

Kristina Bagley, FNP-BC

Kristina Bagley, FNP-BC

  • B. S. in Nursing: Milligan College, Milligan College, TN
  • M. S. in Nursing: Middle Tennessee State University, Murfreesboro, TN
  • Kristina has experience in post-anesthesia care, critical care and is a former fitness trainer through National Association of Sports Medicine. She received her family nurse practitioner board certification from ANCC.

Revonda Watts, FNP-BC

Revonda Watts, FNP-BC

  • B.S. in Nursing: East Tennessee State University, Johnson City, TN
  • M. S. in Nursing: King University, Bristol, TN
  • Revonda has over 20 years of experience in medical-surgical, clinical management and oncology nursing. She has an A.N.C.C. certification as a family nurse practitioner.