Our Team


Shawn Andrews, MD

Program Director

Dr. Andrews was born and raised in rural Wahkiakum County before attending Seattle Pacific University. She received her Doctor of Medicine from the University of Washington School of Medicine in 1994. She then moved to Olympia, WA to begin her family medicine residency with the St. Peter Family Medicine Residency Program, graduating in 1997.

Dr. Andrews has been practicing family medicine and providing obstetrics in Elma since 1997. She has been adjunct faculty with St. Peter Family Medicine since 1997, and has also hosted Family Medicine residents and students for rotations in Elma throughout her time in Elma. Dr. Andrews enjoys all aspects of primary care, especially long-term continuity relationships with patients, treating the whole family, and making care accessible to everyone, especially those who feel estranged from the healthcare system.

Outside of the office, Dr. Andrews enjoys time with family (including lots of animals), gardening, cooking, crafting, SCUBA diving and jigsaw puzzles.


Mandy Achterman, DO, MPH

Associate Program Director

Dr. Achterman is a native to the Northwest; she was born and raised in Portland, Oregon. Following high school, she received a Bachelor of Arts in Spanish from Macalester College in Saint Paul, Minnesota. She holds a Master in Public Health, International with an emphasis in maternal infant health and community education and a Doctorate in Osteopathic Medicine from Western University of Health Sciences. She is fluent in Spanish and specializes in the full spectrum of family medicine, as she puts it, “cradle to the grave” including deliveries and newborn care through geriatrics. She also performs OMT, or osteopathic manipulative therapy.

Dr. Achterman is thankful to be living close to home and enjoys spending time with her family and her two pug/Chihuahua/terrier puppies. She was a competitive swimmer through the university level and enjoys cycling. Dr. Achterman has completed the 200-mile STP five times, twice in one day and once on a tandem bike.


Anthony Ybarbo

Program Coordinator

Anthony is originally from Houston, Texas. Following high school, he joined the US Navy, where he worked as a hospital corpsman, traveled the world and earned a Bachelor of Science in Public Health from National University in San Diego, California. After an honorable discharge, he continued his education and now holds a Master’s in Healthcare Administration. He truly values the impact health has on the human body, and he hopes to give people a greater understanding of health literacy so that they can live functional, high-quality lives.

Anthony is thankful for his wife Ashley, new baby boy Bodhi and two husky pups Abby and Daisy. Anthony has been a CrossFit and Olympic weightlifting athlete/coach for 12 years and has competed in competitions all over the US. Anthony has been an avid photographer for as long as he can remember and considers it his first love.

Janelle Wortman, PharmD

Core Faculty

Dr. Janelle Wortman, a Pacific Northwest native, is dedicated to enhancing team-based medicine to further the delivery of high-quality healthcare to our rural communities. After graduating with a Doctorate of Pharmacy degree from the University of Washington, Janelle then went on to complete two years of residency where she specialized in family medicine (Virginia Garcia Memorial Health Center – Hillsboro, OR and Providence St. Peter – Chehalis, WA).

As a champion of evidence-based medicine, Janelle will be involved in resident scholarly activity requirements, journal clubs, and didactic teaching. Situated within the family medicine clinic, she is often available for impromptu consults and warm handoffs. Janelle manages her own patient panel under collaborative practice agreements with our team and welcomes residents for shadowing opportunities.

When not reading primary literature, she is an avid rock climber and paddleboarder and relishes time spent outside in the beautiful backyard of Western Washington.


Marcus Heisler, MD, MPH

Core Faculty

Dr. Heisler joined Summit Pacific Medical Center in 2018 drawn by its mission founded on commitments to service and health equity and with a focus on prevention. He attended medical school at Loma Linda University where he also received a Masters of Public Health with an emphasis in Population Medicine. He is board-certified in both Family Medicine and Preventive Medicine and has special interests in population health, lifestyle medicine, chemical dependency, and medical education. He enjoys taking care of his patients in both the inpatient and outpatient settings as one of SPMC’s hospitalists and primary care providers. He is passionate about preventing and treating chronic diseases with evidence-based lifestyle medicine and behavior change tools and enjoys partnering with his patients through their health journeys.

Originally a California transplant, he has made Washington his home. He is an amateur vegetable gardener and rock climber. He and his wife enjoy the countless outdoor adventure opportunities the PNW has to offer.


Jordan Snell, DO

Core Faculty

Jordan Snell grew up in rural Nebraska before moving to Colorado for undergraduate and medical school. He graduated from Rocky Vista University College of Osteopathic Medicine and completed residency with Providence St. Peter’s 1+2 rural family medicine residency in Chehalis, WA. Jordan feels strongly about making excellent care accessible to underserved communities and has a particular interest in palliative and hospice medicine. He practices as a hospitalist in Summit Pacific’s critical access hospital, supervising residents there and in clinic. He lives in Centralia, WA with his partner and three children.

Ken Dietrich, MD, Chief Medical Officer

Dr. Ken Dietrich comes to Summit Pacific Medical Center with extensive knowledge in both medicine and administration. Prior to accepting the CMO role, Dr. Dietrich spent a year and a half working in SPMC’s Emergency Department. Dr. Dietrich is excited about Summit Pacific’s vision statement and realizes that Grays Harbor is an underserved area. His work at Summit Pacific will include evaluating systems, developing services, and working with our providers to ensure they have the resources they need to provide great care. He is a Fellow of the American Academy of Pediatrics and a Fellow of the Society of Critical Care Medicine. He has worked in critical care medicine for more than 34 years. He served as a pediatric critical care physician at Mary Bridge Children’s Hospital in Tacoma for 26 years.


W. Steven Hutton, MD, PS

Pediatric Faculty

Dr. Hutton has been devoted to providing the children of Grays Harbor with excellent care for more than 20 years. He strives to achieve a safe and welcoming environment where children are the highest priority. This is evident in his practice with special medical interests including Asthma, Child Abuse and Neglect, Attention Deficit Disorders, Behavior & School Problems, Oral Health and Child Advocacy. With over 30 years of pediatric experience, Dr. Hutton continues to be the cornerstone of children’s health care in Grays Harbor.

Dr. Hutton grew up in Texas and worked his way through college at West Texas A&M he obtained a Bachelor of Science degree, and then continued on to medical school at University of Texas, Galveston. He is certified by the American Board of Pediatrics, where he has been a diplomat since 1979. In 2001, he attended the Nancy O’Leary Memorial National CAC Training Academy. Dr. Hutton co-founded the Children’s Advocacy Center in 1999.


Mimi Syed, DO

Emergency Medicine Faculty

Dr. Syed is Summit Pacific’s Emergency Department Medical Director and is the Clinical Assistant Professor at WSU School of Medicine and UW School of Medicine. She was born and raised in Chicago, Illinois. There she would train and work in Emergency Medicine and serve as an Assistant Emergency Medical Director before coming to Washington State. She is passionate about Emergency Medicine and enjoys running, gardening and rescuing animals in her spare time.