
Highlights
Age Groups Seen
- Infant 0-2
- Child 2-12
- Adolescent 12-16
- Teen/Young Adult 16-21
- Adult 21-65
- Older Adult >65
Languages
- English
Gender
FemaleAbout
Professional Statement
Locations
- Bitterroot Health Darby
- 820 North Main Street, Darby, MT 59829
- Get Directions
- Phone: 406-375-4142
- Fax: 406-375-4143
Expertise
Education
- Professional School: Rocky Vista University College of Osteopathic Medicine, Physicians Assistant, 2020
Board Certifications
- Physician Assistant: National Commission on Certification of Physician Assistants, 2020
Insurance
- Allegiance
- Blue Cross
- Blue Cross Blue Shield of Montana
- Champus
- Cigna
- Commercial Insurance
- ConfigureNet
- Employee Benefit Management Services
- First Choice Health Network
- Humana
- Idaho Medicaid
- InterWest Health
- Medicaid
- Medicare
- Medicare Advantage
- Mountain Health Co-Op
- PacificSource
- Sterling Life Insurance Medicare Advantage Plans
- TriWest
- United Health Care
- University of Utah Health Plans
- Veteran Affairs
- Workers Compensation
Reviews
4.9 of 5 stars
118 Ratings, 19 ReviewsThe Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.
- 5 out of 5 starsReviewed on 8/20/2026
She is amazing professional courteous, friendly, knowledgeable, open minded, easy to talk to very welcoming She made me feel very comfortable. She listened to everything that I was Concerned about I am very pleased with this provider. I will continue to see her.
- 5 out of 5 starsReviewed on 5/28/2026
Fantastic
- 5 out of 5 starsReviewed on 5/21/2026
Best doctor I've ever seen. She is both friendly & knowledgeable & always makes me feel heard.
- 5 out of 5 starsReviewed on 5/19/2026
Very good
- 5 out of 5 starsReviewed on 5/1/2026
She's a great medical professional.
- 5 out of 5 starsReviewed on 4/8/2026
My provider is quite excellent. I totally trust her.
- 5 out of 5 starsReviewed on 3/25/2026
Great listening and communication with me [...].
- 5 out of 5 starsReviewed on 3/19/2026
My family and I feel blessed to have Maria as our provider. She is so friendly an knowledgeable.
- 5 out of 5 starsReviewed on 3/17/2026
Dr Maria Rennaker is great, we would recommend her to anyone
- 5 out of 5 starsReviewed on 3/9/2026
I have recommended this provider to several others & 2 have become patients.
- 5 out of 5 starsReviewed on 2/20/2026
I highly recommend Maria and the whole team. From the receptionists, nurse, all are professional and caring.
- 5 out of 5 starsReviewed on 2/2/2026
Good
- 5 out of 5 starsReviewed on 1/21/2026
I cannot think of anything or I could do to make the visit better. She is complete and comprehensive, my issues are addressed, and Maria's knowledge base is incredible. I always feel educated and or heard when I visit. I have never left there wondering what was gonna happen next or if my issues would resolve.
- 5 out of 5 starsReviewed on 12/23/2025
I love my DR.
- 5 out of 5 starsReviewed on 12/23/2025
Very good experience.
- 5 out of 5 starsReviewed on 12/15/2025
Excellent
- 5 out of 5 starsReviewed on 11/1/2025
My concerns were met with respect and intelligence and compassion - and honesty. A better triad could not exist.
- 5 out of 5 starsReviewed on 10/20/2025
Maria always takes the time and listens to my concerns. She has a broad medical knowledge base and always has the best recommendations for my medical care. I feel Maria cares about me and I think she is outstanding.
- 5 out of 5 starsReviewed on 10/14/2025
We celebrated my lowered A1C from 11.3 to 7.7! She has me on the right track.
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