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Experience

Education

South Dakota State University, Brookings, Nurse Practitioner

Certifications

American Nurses Credentialing Center

Reviews

We value patient feedback and are committed to providing you with information, so you can make informed decisions about your health care, physicians and other providers in your care journey. Patient ratings and comments are gathered from the post-visit experience survey. Learn more.

September 23, 2025
Throughout my treatment process everyone was very helpful and easy to work with.
September 22, 2025
I LOVE seeing Theresa Mehrman. She has been with me through much of my oncology care over the past 10 years and I trust her immensely. She always takes the time to discuss whatever questions I have and never rushes through an appointment even now when I am in survivorship. The best of the best.
May 08, 2025
Theresa Mehrman is the best!!!!
May 04, 2025
They do a good job.
March 09, 2025
Theresa does an amazing job of providing quality care! I love how she listens to me and provides care for my needs and concerns!!!
December 08, 2024
Theresa was very patient with me and explained thoroughly. Really appreciate all she has done for me.
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Directory Disclaimers

This directory contains information about the provider members of Independent Health Care Associates, Avera Health and all Avera entities, members of the Avera Medical Group, and employed select providers with Avera McKennan, Sioux Falls, SD and Avera Marshall, Marshall, MN and physicians with hospital privileges at Avera St. Luke's, Aberdeen, SD; Avera Sacred Heart, Yankton, SD; Avera Queen of Peace, Mitchell, SD; Avera St. Mary's, Pierre, SD.

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