Dr. Hallmark grew up in Colorado and graduated from Arapahoe High School in 1970. He graduated Magna cum Laude with a degree in Chemistry from Baylor University. He received his medical degree from UTMB Galveston in 1979 and practiced in East Texas for 10 years. His life-long desire was to be a small town family doctor who not only served his patients but developed close relationships with them. He has achieved this goal in his practice of medicine in Castle Rock for the past 20 years. He and his wife, Marie, have been married for 31 years and have six children and one grandson.
View More