Douglas Hallmark, MD

Family Medicine located in Castle Rock, CO

About Dr. Hallmark

Douglas Hallmark, MD, is an experienced and highly respected family medicine practitioner at Douglas Family Medicine who is delighted to be serving the population of Castle Rock, Colorado, and the surrounding areas.

Dr. Hallmark grew up in Colorado, graduating from Arapahoe High School in Centennial in 1970. He graduated magna cum laude with a degree in Chemistry from Baylor University in Waco, Texas, then pursued his medical degree at the University of Texas Medical Branch (UTMB) in Galveston. Dr. Hallmark graduated from UTMB in 1979 and practiced in East Texas for the next 10 years.

Dr. Hallmark’s 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, providing exceptional medical care that recognizes the importance of treating every patient as a unique individual. By combining his considerable experience of primary care with the latest advancements in medicine, Dr. Hallmark is able to offer residents of Castle Rock the most up-to-date treatments available with the personal touch of hometown care.

Dr. Hallmark and his wife, Marie, have been married for over 30 years and have six children and one grandson.

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,  Office of Douglas Hallmark, MD

Douglas Hallmark, MD, is an experienced and highly respected family medicine practitioner at Douglas Family Medicine who is delighted to be serving the population of Castle Rock, Colorado, and the surrounding areas.

Dr. Hallmark grew up in Colorado, graduating from Arapahoe High School in Centennial in 1970. He graduated magna cum laude with a degree in Chemistry from Baylor University in Waco, Texas, then pursued his medical degree at the University of Texas Medical Branch (UTMB) in Galveston. Dr. Hallmark graduated from UTMB in 1979 and practiced in East Texas for the next 10 years.

Dr. Hallmark’s 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, providing exceptional medical care that recognizes the importance of treating every patient as a unique individual. By combining his considerable experience of primary care with the latest advancements in medicine, Dr. Hallmark is able to offer residents of Castle Rock the most up-to-date treatments available with the personal touch of hometown care.

Dr. Hallmark and his wife, Marie, have been married for over 30 years and have six children and one grandson.


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