Erin O. Lange M.D., M.S.P.H.

 Erin  O. Lange M.D., M.S.P.H.

Specialties and Expertise

Colorectal Surgery


Digestive Health, Hernia Services




Primary Location

Surgical Services & Hernia Center

Medical Office Building, 1560 N 115th Street, Ste. 102
Seattle, WA 98133
Phone: 206.668.1070|Map It 


Dr. Lange is board certified in both general surgery and colon and rectal surgery. She received her medical degree from the University of Washington School of Medicine in Seattle and her master's of science degree in population health from the University of Wisconsin School of Medicine & Public Health in Madison. She completed a fellowship in colorectal surgery at the University of Minnesota and her residency in surgery at the University of Wisconsin Hospital & Clinics.

Patient Care Philosophy

In my practice, I strive to create a trusting and private environment in which we can design an evidence-based care plan tailored for each patient.

Personal Interests

Running, hiking/camping and reading.

Clinical Interests

Colon and rectal cancer; inflammatory bowel disease; diverticulitis; complex anorectal disorders; pelvic floor disorders; fecal incontinence; minimally invasive surgery; anorectal ultrasound; colonoscopy.

Research Interests

Clinical research in surgical outcomes in benign and malignant colorectal conditions (diverticulitis, colon cancer).


Univ. of Minnesota SOMFellowshipColon & Rectal Surgery2014
Univ. of Wisconsin @ MadisonResidencyGeneral Surgery2013
University of Wisconsin - MadisonMaster2010
Univ. of Wisconsin @ MadisonInternshipGeneral Surgery2007
Univ. of Washington, School of MedicineMedical education2006


Board Certifications

American Board of Colon/Rectal SurgeryColon & Rectal Surgery2015
American Board of SurgeryGeneral Surgery2014
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