Hessam Siavash, DDS, MD, PhD

The most rewarding thing to me is to have an impact on a patient's life. Patients trust us with their care, and that's a privilege.

Meet Dr. Hessam Siavash

Dr. Siavash’s core belief of treating his patients with honesty, respect, and dignity is the cornerstone for the excellent care his patients receive. He aims to understand his patients on a personal basis, so he can personally design the treatment plans that create optimal results. Dr. Siavash will take the time to get to know his patients and help them feel confident about their treatment, and is never too busy to share a smile. Dr. Siavash has earned many degrees through years of extensive training and education, and he looks forward to providing his patients with excellent care.

Education & residency

Dr. Siavash earned his medical degree, Doctor of Dental Surgery (DDS) degree, and PhD from the University of Maryland. He was honored with a scholarship to complete a combined dental and PhD program, which allowed him to study implant surgery, corrective jaw surgery, sleep apnea surgery, maxillofacial pathology and trauma, temporomandibular joint (TMJ) disorders, and pediatric oral and maxillofacial surgery. Dr. Siavash graduated magna cum laude from the combined program and was inducted into the dental society Omicron Kappa Upsilon. During his time in the program, Dr. Siavash received surgical training at the highly esteemed University of Maryland, R. Adams Cowley Shock Trauma Center.

Dr. Siavash completed an internship in General Surgery and residency in Oral and Maxillofacial Surgery, where he earned acclaim for excelling on a national level.

Dr. Siavash’s medical and dental studies and training have helped him to care for his patients at the highest standard. His extensive training in surgical treatment and reconstruction of the face and oral cavity remains a specialty of his.

Dr. Siavash cares about promoting a high standard of care to his peers and future dental and medical professionals, often giving lectures and training. He is staffed at Community Memorial Hospital and is affiliated with Community Memorial Hospital (CMH), Ventura County Medical Center (VCMC), and Los Robles Regional Medical Center.

  • University of Maryland Dental School
  • University of Maryland School of Medicine
  • Los Robles Regional Medical Center
  • Community Memorial Center
  • Ventura County Medical Center


Dr. Siavash is board-certified by the American Board of Oral and Maxillofacial Surgery. He is a Fellow of the American Association of Oral and Maxillofacial Surgeons, and a member of The American College of Oral and Maxillofacial Surgeons, the American Dental Association, and the American Society of Anesthesiologists. He is also the President Elect of Santa Barbara Ventura Dental Society.

  • American Board of Oral and Maxillofacial Surgery
  • American Association of Oral and Maxillofacial Surgeons
  • American College of Oral and Maxillofacial Surgeons
  • American Dental Association
  • American Society of Anesthesiologists

Outside the office

Outside of the office, Dr. Siavash can be found spending time with his family, playing tennis, and traveling. With a natural appreciation for all people, cultures, and languages, Dr. Siavash is trilingual and always enjoys learning something new.

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