OUR STAFF

Dr. George Hightower: George Hightower, MD, MRO, has over 22 years of experience in Occupational, Family, Sports, and Urgent Care medicine. He is a graduate of Whittier College in Whittier, CA and the George Washington University School of Medicine in Washington, DC. While a medical student, he served on the admissions committee and was awarded a research fellowship to the National Institutes of health. Dr. Hightower is a Navy veteran, He served for eight years as a staff Medical Officer and was deployed in support of Operation Desert Storm. For five years he served as a staff physician of Oasis Sports Medical Group in San Diego, CA, whose clients include the NFL San Diego Chargers. For eight years he served as a District Office Medical Consultant for State Compensation Insurance Fund (SCIF), the largest Workers Compensation isurer in California. He is currently a consultant and Medical Director for several national oil field service corporations. With his experience in both the regulatory and case management aspects of occupational injuries, he is uniquely qualified to provide optimal care to injured workers. Dr. Hightower is certified by the Federal Motor Carrier Safety Association (FMCSA) to perform Department of Transportation (DOT) physicals. When he is not in the office, Dr. Hightower enjoys fishing, hiking, and metal detecting.

Ashley Knight, PA-C, Dermatology: Ashley Knight, Certified Physician Assistant, earned her Masters degree from the Texas Tech Health Sciences Center in Midland, Texas. Ashley was born and raised in Austin, Texas and attended Texas A&M University for her Biomedical Sciences undergrad degree. She moved to Williston with the goal of serving a community in need of dermatology and urgent care. Ashley is certified by the National Commission of Certification for Physician Assistants and is licensed through the North Dakota and Texas State Board of Medical Examiners. Her professional memberships include the Society of Dermatology Physician Assistants, the Texas Academy of Physician Assistant and the American Academy of Physician Assistants. Ashley continues to expand her knowledge base through regular Continued Medical Education and conferences. Ashley is looking forward to adventures in North Dakota including ice fishing and curling. She enjoys hiking, cooking, fiddle plying, and road trips with her family.

Tim J. Watt, M.D.: Dr. Tim J. Watt is board-certified with the American Board of Neurological Surgeons. A native of Wichita, Kansas, Dr. Watt did his undergraduate work at Wichita State University Graduating magna cum Laude. He then attended the University of Kansas School of Medicine where he was in the combined D.D./Ph.D. program. Upon completing his degree, Dr. Watt did a general surgery internship and residency in neurosurgery at the State University of New York in Syracuse. During that time, Dr Watt was named the Perkins Neuroscience Scholar for his research on the treatment of brain tumors. He also received additional training in orthopedic treatment of spinal disorders and participated in the development of new types of spinal instrumentation. During his residency, Dr. Watt served as the Chief of Surgery for the Army Reserve’s 357th Combat Support Hospital.  After his training, Dr. Watt went on active duty with the army. Major Watt spent three years as Assistant Chief of Neurosurgery and Director of Pediatric Neurosurgery at Tripler Army Medical Center in Honolulu.  After his army obligations, Dr. Watt moved to Lincoln, Nebraska. While in private practice there, he also served as a clinical assistant professor for the University of Nebraska School of Medicine. Dr. Watt Chief of Neurosurgery at all three Lincoln hospitals during his seven years there. He also was the Medical Director for the Nebraska Gamma Knife Center and served on the faulty for the Union College, P.A. program and the Lincoln Family Practice Residency Program.

Dr. Watt is a member of the American Medical Association, the American Association of Neurological Surgeons, the Congress of Neurological Surgeons, the North American Spine Society, the Joint Section on Spine and local and state medical association. The Consumers Research Council of America named Dr. Watt on of “America’s Top Surgeons” for 2003-2004 and 2009 and of on “America’s Top Physicians” for 2004-2005.

Dr. Watt completed a Fellowship in Anti-Aging and Rejuvenate and Functional Medicine from 2006-2008 and is also board certified with the American Board of Anti-Aging Medicine. Dr. Watt is aClinical Assistant Professor with the University of South Dakota School of Medicine.

Dr. Watt is an avid downhill skier and is certified rescue scuba diver. Dr. Watt practices Okinawan karate and enjoys target shooting.

Robert D. MacLachlan, M.D.: Dr MacLachlan earned his Bachelor’s degree from Bringham Young University in Utah, where he studied the Chinese Language. He went on to get his medical degree at the University of Saskatchewan in Saskatoon, Saskatchewan in Canada. He did his internship at the University of Utah Department of Internal Medicine, followed by a residency in neurology at the University of Utah Medical Center. Dr. MacLachlan then went on to complete a fellowship in electrophysiology at the University of Utah. A fellowship is the highest level of training possible for a doctor in any given specialty of medicine. Dr. MacLachlan is board-certified neurologist.

Before joining Black Hills Neurosurgery and Spine, formerly known as The Spine Center at Rapid City, Dr. MacLachlan served at the Hammond Clinic, as neurology clinical practice at multi-specialty clinic in Munster, Indiana. He then joined Cottonwood Hospital and Alta View Hospitals, where he focused on neurology inpatients, outpatients and emergency room consultations. He is currently licensed in North Dakota and South Dakota.

When away from the office, Dr. MacLachlan enjoys spending time with is wife and six children. He is also interested in paleontology, automobile mechanics and computers.