Our Team

Daniel Nelson, MD

Dr. NelsonDr. Nelson grew up in Tacoma, WA and is an honors and Phi Beta Kappa graduate of the University of Washington. After receiving his medical degree from the University of Southern California, Dr. Nelson completed his residency training in Anesthesiology with a fellowship in Pain Management at LA County USC Medical Center. He was elected chief resident by his peers during his final year of training.

Dr. Nelson started private practice in Palm Springs, California where he developed the pain clinic at Desert Hospital. Dr. Nelson moved back home to the Pacific Northwest in 1993 and helped establish the first hospital-based pain service on the eastside at Evergreen Hospital Medical Center. He has been practicing pain management since 1989. In 2004, Dr Nelson was named by Seattle Magazine as one of Puget Sound’s “Top Doctors.”

Marianne Iwamoto, ARNP

marianneMarianne Iwamoto, RN, MS, ARNP, C-FNP joined the Pain Consultants of WA in January 2010. She earned her undergraduate nursing degree at Boston University and her masters as a Family Nurse Practitioner from the University of Colorado in December 1996. As an ARNP she has a wide range of clinical experience which includes the development of expertise in the medical management of chronic pain while working in Eugene, OR prior to her relocation to the Seattle area. She enjoys assisting patients to develop an integrative pain management plan that matches their personal goals and health belief system.

Sarah Severance, PA-C

sarah-severanceSarah Severance, MPAS, PA-C joined the Pain Consultants of WA in November 2012. She earned her undergraduate Human Nutrition degree at Arizona State University and her masters as a Physician Assistant at Midwestern University in Arizona where she finished 15 months of clinical training. She enjoys learning and will continue to do so in order to provide the best patient care possible. She shares an interest in Sports medicine as well as Interventional Pain Management. She enjoys hiking, reading and spending time with family in her spare time.