Skill and compassion go hand in hand when providing exceptional patient care. As a dental professional, I stay up to date on the latest advancements in dentistry in order to provide the most current treatment options for my patients. As a doctor, I recognize that my patients are unique individuals who have placed a great deal of trust in me and my team. That is just one reason why I value each and every patient relationship.

I appreciate the time you’ve taken to visit this site and find out more about Northwest Dental Care and the many dental care services we can provide to help you achieve optimum oral health.

Dr. Samuel S. Minagawa , DDS, PS

Dr. Minagawa attended Pacific Union College in Napa Valley, California and received his Bachelor of Science degree in Biochemistry.

He later earned an Associate in Science Degree in Respiratory Therapy from Loma Linda University, School of Allied Health. He worked as a Registered Respiratory Therapist (RRT) and Respiratory Care Practitioner (RCP) at Loma Linda University Medical Center in the Pulmonary Intensive Care Unit, Critical Care Unit, LLUMC Transport Team and primarily in the Neonatal and Pediatric Intensive Care Units.

One month prior to starting dental school, he was invited to travel to Riyadh, Kingdom of Saudi Arabia with the Loma Linda University Overseas Heart Surgery Team, where he provided life-support for neonatal and pediatric post-heart surgery patients.

 During his dental training, Dr. Minagawa participated in a volunteer humanitarian trip to Chiapas, Mexico to care for the patients in the Yucatan Peninsula jungles performing oral surgery and restorative dentistry.

He graduated from Loma Linda University School of Dentistry in Southern California with a Doctor of Dental Surgery Degree in 1987.  He was awarded the "1987 Senior Dental Student Achievement Award" from the Southern California Japanese-American Dental Society (SCJADS). 

Dr. Minagawa moved to Washington State with his family in 1992. He served as a Dental Director for a state facility for developmentally disabled patients.

In 1994, Dr. Minagawa began a private practice in the Southcenter area. He practices general dentistry with an emphasis on aesthetic, restorative and sedation dentistry.

He  participates in and donates his time and services to  the  "Give Back a Smile" program sponsored by the American Academy of Cosmetic Dentistry,  in restoring the smiles of victims of domestic violence. He also volunteers in providing dentistry to the uninsured and under-insured through different charitable organizations including "Your Best Pathway to Health" through his church.

Professional Affiliations Include:


  • Member: AACD (American Academy of Cosmetic Dentistry)
  • Member: DOCS (Dental Organization for Conscious Sedation)
  • Member: ADA (American Dental Association)
  • Member: WSDA (Washington State Dental Association)