Mason Clinic - Primary Care

Mason Clinic Primary Care provides family practice services, with providers who specialize in children, adults, geriatric population, women's health and more.

hours
  • Mon-Fri: 7:30 am to 5 pm

To book an appointment, call us at 1-360-426-2653

Thank you for choosing Mason Health

Arriving on time for your scheduled appointment is important in addressing your healthcare needs. Please notify Mason Health as soon as you know you will need to change or cancel your appointment. You are required to cancel your appointment at least one business day prior to your scheduled appointment because of high patient demands. Your ability to schedule future appointments will change because of missed appointments or cancellations. 

If you have questions about our No-Show and Cancellation policy, please call the clinic or download a copy of the No-Show and Cancellation Policy as indicated below.

Clinic Providers

Katie Aldrich, PMHNP-BC
Behavioral Health

Katie Aldrich, PMHNP-BC, earned her Masters of Science in Nursing, in the Psychiatric Mental Health Nurse Practitioner Program, from Gonzaga University in 2019. Aldrich enjoys caring for individuals across the lifespan and believes in working with her patients to assist individuals to attain their highest level of whole body health: mind, body, and spirit.

David E. Anderson, M.D.
Internal Medicine

Dr. Anderson joined Mason Health full-time in 2019. He is board-certified in internal medicine and has served 20 years in the U.S. military, including tours in Iraq, Korea and Africa. He takes great pride in serving this rural community.

Amber Carlson, LICSW
Behavioral Health

Amber Carlson joined the staff at Mason Health in January 2016. Prior to that she had worked as a clinical social worker at a local hospital in Kitsap County since 2010. Amber was born and raised in Snohomish County, Washington and has always considered the Pacific Northwest home.

Vanessa Cray, PMHNP-BC
Behavioral Health

Vanessa Cray, PMHNP-BC, earned her Masters of Science in Nursing, in the Psychiatric Mental Health Nurse Practitioner program, from Gonzaga University in 2019. Cray is drawn to the philosophy of patient-centered care, incorporating the patient’s personal ideals and cultural understanding into the focus of their own treatment.

Darren Cuevas, D.O.
Primary Care

Dr. Darren Cuevas joined Mason Health in September of 2018. He received his D.O. training at Midwestern University in Glendale Arizona and completed his Family Medicine Residency at St. Joseph’s Hospital, University of Minnesota in St. Paul. He enjoys practicing patient-focused holistic medicine. He is excited to be living and working in the Pacific Northwest.

Kirsten Garza , PMHNP-BC
Behavioral Health

Kirsten Garza, PMHNP-BC, earned her Masters of Science in Nursing, in the Psychiatric Mental Health Nurse Practitioner program, from Jacksonville University in 2019. She is accepting patients now. Utilizing therapy, nutritional changes and psychopharmacology she works with her patients to create a collaborative plan of care they are comfortable with to reach mutual goals.

Anthony Gordon, PA-C
Primary Care

Anthony Gordon received his degree from the University of Washington School of Medicine at MEDEX Northwest, in 2016. He is board certified with the National Commission on Certification of Physician Assistants (NCCPA). He is also a member of the American Academy of Physician Assistants (AAPA), and the Washington Academy of Physician Assistants (WAPA).

Michelle Hamilton, D.O.
Primary Care

Michelle Hamilton, D.O., joined the medical staff at Mason Health in 2019. She is passionate about working with families to combine the individual’s personal health philosophy with evidence-informed medicine.

Henry In, DO
Primary Care

Welcome to the community, Dr. Henry In! Dr. In joins Mason Clinic in July 2020 and he will be accepting new patients. Dr. In obtained his medical degree at Touro College of Osteopathic Medicine in New York City. He is interested in a broad spectrum of medicine with a focus on continuity of care, servicing both inpatient and outpatient settings. His emphasis is on prevention and education as a goal to reach a healthy state of mind, body, and spirit.

Jenny Johnston, ARNP
Internal Medicine

Jenny Johnston joined Mason Health in 2019. She is a board-certified family nurse practitioner with more than 15 years of experience, including four years as a registered nurse and first lieutenant at Madigan Army Medical Center in Fort Lewis. Johnston believes that every patient is entitled to the best care she can possibly give and is passionate about the art of medicine.

Trevor Kwan, DO
Primary Care

Welcome to the community, Dr. Kwan! Dr. Trevor Kwan will be accepting new patients in July 2020. He completed his medical training at Michigan State University College of Osteopathic Medicine in East Lansing, Mich. in 2017. Dr. Kwan enjoys practicing multidisciplinary team medicine that is evidence-based and patient-centered. He also believes osteopathic manipulation is a valuable tool and adjunct to treatment plans.

Andrew Kwon, MD
Primary Care

Andrew Kwon, MD, officially joined the District in July 2018. Dr. Kwon received his medical degree from the University of Korea, College of Medicine in 1991, and completed his internship and residency in 1997 at Mid-Hudson Valley Family Practice Residency in New York, NY. He is board certified under the American Board of Family Practice.

Benjamin May, DO
Primary Care

Welcome to the community, Dr. May! Dr. Benjamin May joins Mason Clinic in July 2020 and he will be accepting new patients. He graduated from Pacific Northwest University College of Osteopathic Medicine in Yakima, Wash. in 2017. Dr. May trained specifically in a rural medicine residency because he wanted to be able to understand and best serve communities in rural areas. He strongly believes that with patient-centered and evidence-based care, people can achieve better health and happiness in the long term. He is fluent in Spanish and looks forward to reaching out to the Hispanic community.

Allen L. Millard, M.D.
Primary Care

Dr. Millard has a special interest in diabetes and the care of children. He enjoys living in and being a part of the Shelton community and coaching youth soccer.

Amie Mower, D.O.
Primary Care

Amie E. Mower, D.O., joined the medical staff at Mason Health in 2019. She was appointed Medical Director of Integrated Behavioral Health in 2020. Dr. Mower is a board-certified family medicine physician and U.S. Army veteran. She has a special interest in pediatrics, women’s health and caring for individuals and family members associated with uniformed services.

Resa L Shaner, PA-C
Primary Care

Resa Shaner completed her Physician Assistant Studies at Midwestern University, Downer’s Grove, IL. She is a board-certified Physician's Assistant in Family Medicine.

James Stauffer, PA-C
Primary Care

James Stauffer received his Master’s degree in Physician Assistant studies from Idaho State University, Pocatello, ID in August 2015. He is board certified with the National Commission on Certification of Physician Assistants (NCCPA).

Katrina Stringer, ARNP
Primary Care

Board-certified with special interests ranging from cough and cold symptoms to heart disease. Katrina believes in getting to know her patients and their families and wants all of them to feel comfortable and confident in her care.

M. Hillary Underwood, PA-C
Primary Care

Margot Hillary Underwood received her Degree in Physician Assistant studies from the University of Kentucky, Lexington, KY, in 1995. She is board-certified with the National Commission on Certification of Physician Assistants (NCCPA). Hillary has nearly twenty years experience as a physician assistant, with a background in both outpatient and inpatient medical services.

Frequently Asked Questions