Claus H. Janssen, MD


Family Medicine

Primary Affiliation

Jefferson Healthcare Family Medicine

Address / Phone

Jefferson Healthcare Family Medicine

1010 Sheridan, Suite 101

Port Townsend, WA 98368

Phone: 360-385-3500

Fax: 360-385-5496



Medical School: Undergraduate - Wittenberg University - BA / University of Washington

Doctoral - Medical College of Ohio, Toledo, OH - Doctor of Medicine

Residency: Oregon Health Sciences University


Other Information

Board Certifications: American Board of Family Medicine

Biography: Claus Janssen came to Port Townsend in 1993 where he entered private practice. He has been with Jefferson Healthcare Family Medicine, formerly Port Townsend Family Physicians, since when it became a part of the larger Jefferson Healthcare network. During 2001 to 2002, he spent 1 1/2 years doing medical work in Ecuador.

His areas of professional interest include general pediatric, adult and geriatric outpatient medicine. He is a member of the Washington Academy of Family Physicians and World Society of General Practitioners

Claus is a member of the Community Chorus and High School Arts & Sports Booster. He enjoys hiking, sailing, painting and volley ball. Claus is married and has four children.

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