Blake C Osmundsen, MD


  • Specialty: Gynecology
  • Sub Specialties: Urogynecology
  • Clinical Interests: da Vinci Robotics Surgery, Depoprovera, Laparoscopic Surgery, Minimally Invasive Surgery, Pelvic Organ Prolapse
  • Languages: English, Interpreters Available
  • Gender: Male


Dr. Osmundsen started practice in Portland, after completing residency in Boston in 1991. Over the last decade, he has focused his practice to the field of Female Pelvic Floor medicine and reconstructive pelvic surgery. Dr. Osmundsen’s focus has been minimally invasive approaches to pelvic surgery, and works collaboratively with Oregon Health and Sciences University to train fellows in pelvic floor surgery. As well as being on Faculty at OHSU, he is as well active running clinical trials surrounding surgical outcomes in pelvic floor reconstructive surgery.

Dr. Osmundsen grew up in the Sierra Nevada Mountains of Eastern California. After graduating from University of California at Berkeley, He went on to medical school at Tulane University and subsequently did his residency at Harvard Medical School in Boston Massachusetts. Dr. Osmundsen came to Portland with his wife Lynn Osmundsen MD for her residency at OHSU and happily remained. Dr Osmundsen’s interests outside of his family and work include Mountain Climbing, Cycling, and reading French literature.

Education and Certification

  • Bachelor of Arts: University of California - Berkeley, CA
  • Medical School: Tulane University School of Medicine-New Orleans, Louisiana
  • Residency: Harvard Medical School
  • Internship: Harvard Medical School

Personal Interests

Mountain Climbing, Cycling, Reading

Contact Information

  • Practice Name: Comprehensive GYN Associates

Office Locations

  1. Primary Address
    Comprehensive GYN Associates
    • 5050 NE Hoyt St, Ste 255
    • Portland, OR, 97213
    • Phone: 503 231-0407
    • Fax: 503 231-0484
    • Clinic Hours:
    • M-F, 8:30-5 Weekdays

Hospital Locations

  1. Primary Address
    Legacy Emanuel Medical Center
    • 2801 N. Gantenbein
    • Portland, OR, 97227
    • Phone: 503-413-2200