Whidbey General Hospital
Mark R.  Duncan, MD

Mark R. Duncan MD

South Island Medical

1690 Layton Road
PO Box 935

Freeland , WA  98249
Office Phone: 360-331-3343

Patient Care Philosophy

  • Kindness, compassion and respect come first.
  • Listening and patience come next.
  • Safe, high-quality care founded upon evidence-based studies is key.
  • Communication equals success.

Scope of Care

  • Outpatient primary care for patients of all ages with chronic illnesses
  • Well baby/child care
  • Acute treatment of illness or injury with immediate access
  • Preventive health evaluation and surveillance
  • Women's health needs including cancer screening and contraception
  • Minor surgery/procedures including wound closure, skin biopsy, IUDs, etc.
  • Primary care treatment of mental illness
  • Immunizations


  • West Virginia University School of Medicine, 1995

Internship & Residency

  • Naval Hospital Jacksonville


  • Board Certified by the American Board of Family Medicine

Mark R.  Duncan, MD

I was made comfortable by all staff.
They were attentive, cheerful and efficient.

Everyone at Whidbey General focuses on achieving the best possible patient outcomes. Read comments from our patients about the care they received. Want to share your own testimonial? Email myhospital@whidbeygen.org.