About Dr. Treinen

Dr. John Treinen is a board-certified dentist who serves the residents of the greater San Fernando Valley in California. At his office, Dr. Treinen offers his patients a comprehensive variety of dental, orthodontic, and restorative services. He uses cutting-edge diagnostic equipment to provide his patients with the highest quality dental care possible. Along with his staff, the doctor strives to make sure every patient who enters the office leaves with a smile on their face.

Dr. Treinen has over thirty years of experience in the field of dentistry. The doctor graduated from Loyola Marymount in 1976 with a Bachelor of Science degree. In 1980, he received his Doctor of Dental Surgery degree from the UCLA. For twenty years, spanning from 1980 until 2000, Dr. Treinen was a well-known member of the faculty at UCLA's dental school. He opened his own private practice in 1980 and since that time has committed himself to not only treating his patients but also educating them on good oral hygiene.




Dr. Treinen is a preferred provider for the following PPO's: Delta, Aetna, Metlife, Guardian, Cigna, United Concordia, and Principal. Dr. Treinen is also a preferred provider for most plans under Blue Cross, Blue Shield, United Healthcare Foundation Health, and several others. Patients should call the office for specific plans.


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West Valley Medical Center

5363 Balboa Blvd.

Suite 533

Encino, CA 91316


Monday                    Closed

Tuesday                     8:00 am - 5:00 pm

Wednesday               8:00 am - 5:00 pm

Thursday                   8:00 am - 5:00 pm

Friday                        8:00 am - 3:00 pm

Saturday                    Closed

Sunday                       Closed

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