Dr. Firooz Mashhood, MD, graduated from the National University of Iran as a Medical Doctor in 1975. He served as a physician for two years in the Iranian Air Force before migrating to the United States in 1977. He participated in an internship training program in Philadelphia from 1981 to 1982, followed by a residency in Physical Medicine & Rehabilitation at the University of California, Irvine (UCI), from 1982 to 1984.

In 1984, Dr. Mashhood joined a private practice at Long Beach Monorail Hospital, a 1,100-bed facility, where he served as co-medical director of an inpatient comprehensive pain management program. From 1986 to 1987, he lived in Chico, California, assisting a college in promoting pain management and traumatic brain injury services. In 1987, he relocated to Las Vegas and has been in private practice since then.

In 1992, Dr. Mashhood became the medical director of UMC Rehab United and remained in that role for nine years. During his tenure, he established the only inpatient Traumatic Brain Injury and Pain Management Programs in the state of Nevada. While at UMC, he closely collaborated with trauma physicians and served as faculty for the Reno Medical School, mentoring medical students and residents.

Dr. Mashhood is currently not associated with any major hospitals. He has been married to Shahrzad for 42 years and has a son, Nickan, who graduated from law school and is now practicing law.