Photo: Gregory Vassilev, MD

Gregory Vassilev, MD

Board-Certified Pain Management

Specializes in Interventional and Regenerative Pain Medicine with a special focus on complex pain syndromes, neuromodulation, and intrathecal therapies.

Patient Reviews

Verified Patient Rating: 5 (4 patient reviews and ratings)

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Dr. Gregory Vassilev is a board-certified pain management expert who specializes in interventional management of sports injuries, the long-term care of complex painful chronic conditions, and joint rejuvenation. Because chronic pain can be complex and challenging, he offers a wide array of pain care options, from medication management to injections and ablations, to help his patients experience relief. 

Dr. Vassilev graduated from UC Santa Cruz in California with his Bachelor of Arts degree in biology. He then attended Drexel University College of Medicine in Philadelphia, Pennsylvania, to receive his Master of Science degree. Following this, Dr. Vassilev pursued basic science medical training at New York Medical College in Valhalla and then earned his Doctor of Medicine degree from David Geffen School of Medicine at UCLA. At UCLA Department of Surgery, Ronald Reagan UCLA Medical Center, he underwent a surgical internship and then continued onto UCLA Department of Anesthesiology & Perioperative Medicine, Ronald Reagan UCLA Medical Center for an anesthesiology residency. 

Board-certified by the American Board of Pain Medicine and The American Board of Anesthesiology, Dr. Vassilev is also a member of the American Medical Association, American Society of Anesthesiologists, and International Association for the Study of Pain as well as a political action committee member for the California Society of Interventional Pain Physicians. At the American Board of Pain Medicine, he holds the roles of diplomate and chairman of Examination Council. He is also a diplomate with The American Board of Anesthesiology. In addition to these roles, Dr. Vassilev fluently speaks English, German, Bulgarian, and Russian and has a basic understanding of Italian, Japanese, and Tibetan languages.

When he is not seeing patients, Dr. Vassilev enjoys spending time with his family. He also has a lifelong passion for martial arts and extreme sports (including windsurfing, kite surfing, surfing, snowboarding, and car racing). 

Dr. Vassilev is available to see patients in Van Nuys.


  • All Major/Intermediate Joint Steroid Injections (Fluoroscopy or Ultrasound)
  • Cervical Epidural Steroid Injections
  • Cervical/Thoracic/Lumbar Medial Branch and Facet Injections
  • Cervical/Thoracic/Lumbar Radiofrequency Ablation
  • Knee Genicular Blocks and Cooled Radiofrequency
  • Peripheral Nerve and Piriformis Injection
  • Spinal Cord Neuromodulation Implantation
  • Stellate/Celiac/Lumbar/Ganglion Impar Sympathetic Blocks
  • TDD Pain Pump Implantation
  • Transforaminal Epidural Injection – Thoracic and Lumbar


Practice Coordinator: (818) 901-6600 Ext. 3224



“Dr. Vassilev is a no-nonsense, to-the-point type of physician. If you experience or live with chronic pain, Dr. Vassilev’s compassionate care and vast knowledge will guide him as he provides options for your treatment plan. His assistant, Janeesha, is thorough, understanding and a true advocate.”
– Leslie S.
Patient Rating: