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Family Medicine, Primary Care
Practice Name
EvergreenHealth Primary Care, Woodinville
Primary Address
16916 140th Ave NE, Suite 300
Woodinville, WA 98072
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Clinical Expertise
Having delivered more than 100 babies, Dr. Mangahas has a special interest in women and children's health. Other interests include preventative medicine, sports medicine, contraception (Implanon/Nexplanon, Mirena and Paragard IUD), and advocating for universal healthcare.
Board Certified in Family Medicine
Personal Information
She enjoys running, yoga, playing the violin, trying new foods, and spending time with her family.
Medical School
University of Washington School of Medicine | Seattle, WA
Valley Family Medicine / Renton WA
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Patient Satisfaction Reviews


72 patients rated this physician.

The Provider Rating score is an average of all responses to care provider related questions on our nationally-recognized Patient Satisfaction Survey. Responses are measured on a scale of 1 to 5 with 5 being the best score.

Provider Explanations Easy to Understand
Provider Listened Carefully
Provider Gave Easy to Understand Instructions
Provider Knew Medical History
Provider Showed Respect

Patient Comments (8 comments)

The comments are submitted by patients and reflect their views and opinions. The comments are not endorsed by and do not necessarily reflect the views of EvergreenHealth.

Reviewed on December 29, 2017

Typical remedy for anemia caused by uterine fibroids appears to be iron therapy coupled with birth control. Dr. Mangahas Fitzgerald prescribed birth control for me even though I don't believe that it doesn't prevent a fertilized egg from implanting. Abortifacients are not pro-life. This bothers me.
Reviewed on October 10, 2017

My first visit with Theresa to establish care and I thought she was great.
Reviewed on August 18, 2017

I'm very happy to have found Dr. Mangahas. She is friendly, warm, patient, and thorough.
Reviewed on August 1, 2017

Reviewed on June 23, 2017

Provider part time schedule is a concern.