About Dr. DeMars

Dr. Ronald DeMars - Board Certified Plastic SurgeonDr. DeMars is one of the most highly skilled plastic surgeons in the greater Portland area. He has more than 30 years of experience, during which time he has helped numerous patients realize their dreams of a more attractive appearance. Dr. DeMars' impressive credentials and record of thousands of successful cosmetic procedures also attract many Vancouver plastic surgery patients.

Dr. DeMars grew up in Portland, Oregon. He has been happily married for more than 30 years and has five children. In his free time, Dr. DeMars enjoys golfing and spending time with his grandchildren.


Dr. DeMars and his wife dancing at their daughter’s wedding

Dr. DeMars and family on vacation.


Video: Dr. DeMars’ Education and Background


Dr. Ronald DeMars discusses his education, training and experience, as one of Portland’s leading plastic surgeons.

Please peruse the information below to learn more about Dr. DeMars.


Extensive Education

Fourteen years of education in college and medical school, specialty training and four years practicing medicine in the Navy created a strong foundation for my plastic surgery Portland practice.

- Dr. DeMars


Dr. DeMars received his Bachelor of Science degree from Texas Christian University and earned his Doctor of Medicine degree from Oregon Health Sciences University. He participated in a select internship program through Ben Taub General Hospital in Houston before serving as a medical officer in the Navy.

During the eight years he served with the U.S. Navy, Dr. DeMars completed his general surgery residency at the U.S. Naval Hospital in Oakland, California. After leaving the service, he fulfilled his plastic surgery residency requirements at Pennsylvania State University's Milton S. Hershey Medical Center before opening a private practice in his hometown of Portland, Oregon in 1982.

College: Texas Christian University, Bachelor of Science Degree
Medical School: Oregon Health Sciences University, Doctor of Medicine Degree
Internship: Ben Taub General Hospital, Houston
Military: General Medical Officer, U.S. Navy, Sasebo, Japan
Residency: General Surgery, U.S. Naval Hospital, Oakland, California
General Surgery Practice: U.S. Navy, Philippines
Plastic Surgery Residency: M.S. Hershey Medical Center, Pennsylvania State University


Highest Credentials

Certification by two boards, including the only Plastic Surgery Board recognized by the prestigious American Board of Medical Specialties, ensures mastery of plastic surgery specialty.

- Dr. DeMars

Dr. DeMars is certified by the American Board of General Surgery and the American Board of Plastic Surgery. These certifications illustrate Dr. DeMars' dedication and expertise in the science and art of plastic surgery. He achieved these certifications after a strenuous testing process and peer evaluations. As a double board-certified plastic surgeon, Dr. DeMars offers his Vancouver and Portland plastic surgery patients a unique combination of surgical talent, artistic vision and impeccable bedside manner.

Dr. DeMars is proud to be certified by/member of the following organizations:


  • American Board of General Surgery - certified in 1982
  • American Board of Plastic Surgery - certified in 1984
  • American Society of Plastic Surgeons
  • American Society for Aesthetic Plastic Surgery
  • Northwest Society of Plastic Surgeons
  • Oregon Society of Plastic Surgeons
  • Oregon Medical Society
  • American College of Surgeons