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Sassan Hassassian, MD

  • Residency
  • NYU Medical Center United States New York, NY 1996
  • Medical School
  • Eastern Virginia Medical School United States Norfolk, VA 1992
  • Internship
  • Eastern Virginia Medical School-General Surgery Norfolk, VA 1993
  • Fellowship
  • University of Maryland Medical Center United States Baltimore, MD 1997


Primary Specialties: Anesthesiology, Pain Management, Pain Medicine, Pain Medicine (Board Certified)

Dr. Hassassian is an interventional pain specialist who firmly believes in multi-modality treatment protocols for treatment of pain. Prior to joining National Spine & Pain Centers, he was the Director of the Division of Pain Management at the Center for Advanced Orthopedics & Pain Management.

Board certified in Pain Medicine as well as in Anesthesiology, Dr. Hassassian earned his medical degree at Eastern Virginia Medical School, after which he completed an internship in General Surgery at the Eastern Virginia Graduate School of Medicine. He completed his residency in Anesthesiology at New York University (NYU) Medical Center.

After completing fellowship training in Pain Medicine at the University of Maryland (UMD) Medical Center, he stayed on as a faculty member of the School of Medicine’s Department of Anesthesiology and served as an attending physician at the UMD Pain Center. Prior to his departure from UMD, he was an assistant professor of Pain Medicine and Anesthesiology. He was also the principal investigator of multiple research projects focusing on the treatment of different pain disorders.

Preeminent in his field, Dr. Hassassian has authored various articles and presentations on a multitude of pain disorders and various treatment strategies. He has extensive experience in all aspects of multi-disciplinary pain management including treatments of acute, chronic, benign, and malignant pain through the use of neuroablative, implantable, radiofrequency, endoscopy, and minimally invasive surgery techniques in outpatient and inpatient settings.

An advocate for timely, compassionate patient care, Dr. Hassassian has been recognized for his excellence by his colleagues and has repeatedly been selected as a “Top Doctor” by Washingtonian Magazine and Northern Virginia Magazine. He is a contributor to HealthTap’s online medical resource and is lauded as an expert “thought leader” in Pain Management.

Dr. Hassassian is an active member of the American Society of Interventional Pain Physicians (ASIPP). He also holds the post of Vice President for the Virginia Society of Interventional Pain Physicians and is an education faculty for Medtronic.


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Affiliations Manassas
  • Castle Connolly's Top Doctors 2023
  • Top Doctors, Northern Virginia Magazine 2022
  • Castle Connolly's Top Doctors 2022
  • Castle Connolly's Top Doctors 2021
  • Castle Connolly's Top Doctors 2020
  • Top Doctors, Northern Virginia Magazine 2020
  • Top Doctors, Northern Virginia Magazine 2018
  • Top Doctors, Northern Virginia Magazine 2017
  • Castle Connolly's Top Doctors 2017
  • Top Doctors, Washingtonian Magazine 2016
  • Top Doctors, Northern Virginia Magazine 2016
  • Top Doctors, Northern Virginia Magazine 2015
  • Top Doctors, Washingtonian Magazine 2015
  • Top Doctors, Washingtonian Magazine 2014
  • Castle Connolly's Top Doctors 2013
  • Patients' Choice Award 2013
  • Compassionate Doctor Recognition 2013
  • Compassionate Doctor Recognition 2012
  • Patients' Choice Award 2012


  • 11/30/2023
    Rating: 5

    I’ve always been pleased with the service at this office. They are prompt, efficient and always very gracious.

  • 11/24/2023
    Rating: 5

    Well the doctor and staff are just wonderful and the doctor and staff make sure your need are met they make sure you get the best treatment there is and so there best to keep you pain free with injections and physical therapy and everything that will help you feel better thanks to doctor Hassassian and PA [...]

  • 11/22/2023
    Rating: 5

    I haveb been a customer for 6 years and am very satisfied with the service and the employees at your Manassas location. [...]

  • 11/22/2023
    Rating: 4.2

    I am very satisfied with the care that I received. However, I am always reluctant to make recommendations to others.