Dr. Marshal HarpeD.O.

Family Medicine

at Trout Lake Clinic — Trout Lake, WA

About

S. Naval Academy after high school. He had planned to fly jets, but a period of serious illness and extended hospitalization redirected his path entirely. That experience drew him toward medicine, and he went on to earn his Doctor of Osteopathy degree from Kansas City University of Medicine and Biosciences in 2000.

He returned to active duty as a Navy Medical Officer and completed internships in both Family Practice and Surgery, one year of Orthopedic Residency training, and a Family Practice Residency at Naval Hospital Bremerton. S. Marines overseas, and served as Senior Medical Officer to Diego Garcia in the Indian Ocean. He deployed twice to the Persian Gulf in support of Operation Iraqi and Enduring Freedom, retiring from Naval Hospital Oak Harbor in 2016 after 28 years of service. He holds board certification in Family Practice and has deep clinical interests in Lyme disease, tick-borne illness, and skin cancer. Outside the clinic, he enjoys hiking, archery hunting, fishing, running, and cycling with his family in the Trout Lake Valley.

Education & Training

Medical School

Kansas City University of Medicine and Biosciences

Residency

Family Practice Residency, Naval Hospital Bremerton; Orthopedic Residency (1 year)

Additional Training

Internships in Family Practice and Surgery (Naval)

Certifications

Board Certified Family Practice Physician

Conditions Treated

Lyme disease
tick-borne illness
skin cancer
acute illness
chronic disease

Who is Dr. Harpe right for?

Dr. Harpe serves patients of all ages, from children to seniors, across Trout Lake and its surrounding rural communities. He is a strong fit for families seeking a consistent, accessible family physician who knows them by name. Patients managing chronic conditions benefit from his continuity-focused approach and same-day availability. Those with concerns about Lyme disease, tick-borne illness, or skin cancer will find him especially knowledgeable. He also serves patients who prefer a physician who prioritizes face-to-face interaction over administrative process.

Frequently Asked Questions

Dr. Harpe is a board-certified Family Practice physician with broad primary care expertise. He has particular clinical interest in Lyme disease, tick-borne illness, and skin cancer. He also manages acute illness and chronic disease across all age groups.

Yes. Dr. Harpe holds board certification in Family Practice. O. degree from Kansas City University of Medicine and Biosciences in 2000 and completed residency training at Naval Hospital Bremerton.

Dr. Harpe trained at Kansas City University of Medicine and Biosciences and completed internships in Family Practice and Surgery, one year of Orthopedic Residency, and a full Family Practice Residency at Naval Hospital Bremerton. He served 28 years in the Navy, including two Persian Gulf deployments and a remote tour as Senior Medical Officer to Diego Garcia.

Yes. Dr. Harpe accepts patients from newborns through adults. Trout Lake Clinic offers family membership plans that cover two adult parents and their biological or adopted children under 18.

Yes. Members receive Dr. Harpe's personal cell phone number and email address. He makes himself available for acute care needs that arise after hours or on weekends.

Yes. Dr. Harpe offers home visits for patients who need them. This service reflects his commitment to removing barriers for patients in the rural Trout Lake area.

Dr. Harpe completes his electronic health record documentation after patients leave the clinic. He takes this approach to keep his full attention on the patient during the visit itself.

Dr. Harpe first learned about Direct Primary Care at a training conference near the end of his Naval Service. He recognized that it placed the physician-patient relationship at the center of practice while eliminating the friction that insurance-driven care creates. That insight led him to move his family to Trout Lake and build the clinic from the ground up.

Doctor profile last updated April 10, 2026