Provider Profiles



Robert Bien, M.D.
Medical Director

Dr. Bien has been established in the Las Vegas area since 1987, having practiced in the community for approximately thirteen years as a residency trained and board certified emergency medicine physician. He then completed a fellowship training program in pain management through the anesthesia department at Case Western Reserve University School of Medicine – University Hospitals of Cleveland. 

Dr. Bien is a member of:

  • American Society of Interventional Pain Physicians

He currently serves as:

  • An Adjunct Clinical Instructor in Pain Medicine for Touro University School of Medicine- Las Vegas, Nevada
  • Past President of The Board of Governors for Valley View Surgical Center
  • Assisant Medical Director for Valley View Surgical Center

Areas of Special Interest:

  • Spinal Cord/Neurostimulation
  • Cancer Related Pain
  • Intrathecal Drug Delivery Trials and Pump Implants


Sheila Bien, MSN, FNP-BC
Administrator/Nurse Practitioner


Sheila Bien has been a registered nurse for over 25 years with extensive background in critical care, cardiology and emergency nursing. She graduated from Glendale Community College in Phoenix with an associate degree in nursing in 1987 and then completed her Bachelor’s Degree in Nursing from University of Phoenix. She obtained her Master of Science in Nursing-Family Nurse Practitioner degree in 2006. She is board certified as a Family Nurse Practitioner by the American Nurses Credentialing Center. Sheila has been practicing in interventional pain management for over 10 years in the Las Vegas community. She also functions as the administrator/clinical manager for Nevada Pain Management. She regularly attends and delivers continuing education in pain management. 

Sheila is a member of:

  • Sigma Theta Tau International Honor Society for Nursing since 2002
  • Phi Theta Kappa Honor Fraternity 1985
  • American College of Nurse Practitioners
  • American Academy of Nurse Practitioners
  • American Nurses Association/Nevada Nurses Association
  • Nevada Advanced Practice Nurses Association
  • American Society of Pain Management Nurses
  • North American Neuromodulation Society

Areas of Special Interest:

  • Botox Therapy for Chronic Migraines
  • Cancer related Pain
  • Multiple Sclerosis
  • Intrathecal Drug Delivery Pump Management
  • Spinal Cord/Neurostimulation



Kenneth Hampar, M.D.
Attending Physician

Dr. Hampar completed an anesthesia residency through New York University Medical Center, Bellevue Medical Center. He is board certified in anesthesia through the American Board of Anesthesiology. He is also board certified in pain medicine through the American Board of Pain Medicine. He has been practicing in Las Vegas since 1996 and has extensive experience in a variety of pain management settings including acute care, rehabilitation and private practice. He has been a member of the Nevada Pain Management team since 2011.

Dr. Hampar is a member of:

  • The American Society of Interventional Pain Physicians
  • International Spine Intervention Society
  • American Board of Pain Medicine

Areas of Special Interest:

  • Chronic Headache Pain
  • Botox Therapy for Pain Related Conditions



Markey D. Hand, MHS, PA-C
Physician Assistant

Markey Hand completed a Bachelor’s Degree in Business Management from Saint Leo University in 1994. She then obtained her Masters of Health Sciences in Physician Assistant Studies from Duke University in 2000. She is board certified as a Physician Assistant through the National Commission on Certification of Physician Assistants. She has been a member of the Nevada Pain Management team since 2007. Markey participates regularly in continuing education in pain management.

Markey Hand is a member of:

  • American Academy of Physician Assistants

Areas of Special Interest:

  • Intrathecal Drug Delivery Pump Management