Mt Hood Women's HealthOur Providers


Sandra A Collis, D.O.

Sandra Collis

Dr. Collis is not available on Thursday. Her medical assistant is Keisha at
503-491-9444, ext. 212.

Medical Philosophy and Personal Interests

Providing high-quality, supportive health care and educating patients about their bodies and disease prevention is the most valuable contribution a physician can offer patients.  By focusing on women’s health, Dr. Collis emphasizes caring for the whole person while encouraging patients to participate actively in decisions regarding their own health care.  It is through developing these bonds between the patient and physician that makes obstetrics and gynecology the selected specialty for Dr. Collis.  She enjoys the broad spectrum of care that includes family planning, pregnancy, preventive medicine, gynecological surgery and menopausal management.

Outside of work, she enjoys spending time with her husband on their small acreage home in Boring.  Surrounded by their myriad of animals; dog, cats, goats, llamas and chickens, the natural environment gives her ample space to unwind, which she does best in her garden.  Dr. Collis stays active with cycling, skiing, hiking and yoga.  She enjoys travel, scuba diving and photography.  


  • Bachelor of Science, University of the Pacific, Stockton, CA
  • Doctor of Osteopathy, University of New England College of Osteopathic Medicine, Biddeford, ME
  • Post doctorate fellowship OMT/Anatomy, UNECOM, Biddeford, ME
  • Osteopathic internship Bi-County and Detroit Osteopathic hospitals, Detroit, MI
  • OB/GYN Residency, University of Massachusetts Medical Center, Worchester, MA
  • Board Certified, American Board of Obstetrics and Gynecology


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Office: (503) 491-9444
Fax: (503) 661-3430
Billing: (503) 492-8734

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24850 SE Stark St, Ste 200
Gresham, OR 97030