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Margaret O'Brien

Margaret O'Brien, RD

4.8160 ratings

EndocrinologyBariatric SurgeryDietetics

Video Visit
Accepting New Patients

Highlights

Age Groups Seen

  • Adults

Languages

  • English

Provider Gender

Female

About Margaret O'Brien and Banner Safety Practices

Care Philosophy

A trusting relationship is the foundation of my practice.

Interests & Activities

I enjoy spending time with friends and family.

All Banner facilities are pleased to provide interpretation services to our patients and their companions for no charge - just ask when you arrive.

Expertise

Education

  • Medical Education: Kansas State University, 1979
  • Graduate School: Kansas State University, 1979

Board Certifications

  • Regis: National Certification Board for Diabetes Educator, 2015
  • Regis: Commission on Dietetic Registration, 1980

Locations

  1. Banner - University Medicine Obesity and Bariatric Surgery Center
    • 1441 North 12th Street, Floor 2, Phoenix, AZ 85006
  2. Banner - University Medicine Diabetes and Endocrinology Institute
    • 1441 North 12th Street, Floor 2, Phoenix, AZ 85006

Testimonials

4.8 out of 5.0

160 ratings

All patient experience ratings and testimonials are submitted by actual patients and verified by a leading independent customer experience company. Patient identities are withheld to ensure confidentiality and privacy.

Search reviews
    5 out of 5 stars
    Reviewed on 10/19/2025

    She was very encouraging to me and helpful.

    5 out of 5 stars
    Reviewed on 10/17/2025

    Margaret O'Brien is a great dietitian and I've enjoyed our visits. Would highly recommend her to family or friends.

    5 out of 5 stars
    Reviewed on 9/9/2025

    She is friendly and knowledgeable.

    5 out of 5 stars
    Reviewed on 9/1/2025

    She is very knowledgeable and really cares about helping me with my nutrition needs and controlling my glucose levels.

    5 out of 5 stars
    Reviewed on 8/16/2025

    Great provider every time I saw her she was polite answered all my questions

    5 out of 5 stars
    Reviewed on 7/6/2025

    Her knowledge of the topic, her professionalism and her friendliness

    5 out of 5 stars
    Reviewed on 4/28/2025

    Very nice and helpful on weight loss journey.

    5 out of 5 stars
    Reviewed on 3/19/2025

    She hears me and empathizes and finds a solution

    5 out of 5 stars
    Reviewed on 3/16/2025

    She knew what to ask pertaining to my case.

    5 out of 5 stars
    Reviewed on 3/4/2025

    She was very helpful and listened to me

    5 out of 5 stars
    Reviewed on 12/16/2024

    Margaret reenforced rules I already knew and gave me some alternatives that I tried.

    5 out of 5 stars
    Reviewed on 11/15/2024

    She has great suggestions during weight loss appointments.

    5 out of 5 stars
    Reviewed on 9/25/2024

    She is a very nice person. She makes you understand all that you need to. And get stuff done we need to be in a very timely manner

    5 out of 5 stars
    Reviewed on 9/25/2024

    She really wants to help you make the right decisions concerning your health.

    5 out of 5 stars
    Reviewed on 8/7/2024

    She answered any questions I had and is very good and thorough.

    5 out of 5 stars
    Reviewed on 7/6/2024

    She was great.

    5 out of 5 stars
    Reviewed on 6/30/2024

    Margaret is so kind and compassionate. Her knowledge and experience is superb. I have been to other dietitians recently where I had not learned anything. I left feeling I had paid to give the dietitian lessons. Not at Banner, info given is solid and current. All delivered with a smile! Great Job Banner??

    5 out of 5 stars
    Reviewed on 6/30/2024

    Margaret is so kind and compassionate. Her knowledge and experience is superb. I have been to other dietitians recently where I had not learned anything. I left feeling I had paid to give the dietition lessons. Not at Banner, info given is solid and current. All delivered with a smile! Great Job Banner??

    5 out of 5 stars
    Reviewed on 5/29/2024

    Professional and friendly and informative

    5 out of 5 stars
    Reviewed on 5/21/2024

    She was very polite and she knows what she's talking about.

    5 out of 5 stars
    Reviewed on 5/13/2024

    She is very helpful and answers all my questions, it's easy to get an appointment with her if needed! I just love her

    5 out of 5 stars
    Reviewed on 4/26/2024

    She's a wonderful woman and she has given me lots of advice that helped me in my time of distress.

    5 out of 5 stars
    Reviewed on 4/24/2024

    Very personable

    5 out of 5 stars
    Reviewed on 4/11/2024

    She is amazing! She explains to me that are easy for me to understand! Margaret is amazing

    5 out of 5 stars
    Reviewed on 3/1/2024

    She was direct and polite

    5 out of 5 stars
    Reviewed on 2/22/2024

    She's friendly, knowledgeable and met my needs.

    5 out of 5 stars
    Reviewed on 12/27/2023

    She listens and referred back to her notes from previous visits. She really cares and gives great advice. She was able to answer all my questions.

    5 out of 5 stars
    Reviewed on 11/25/2023

    Dr. Obrien was kind, treated me respectfully, and explained my situation in a way I could understand. She provided me with guidance and useful information regarding my condition.

    5 out of 5 stars
    Reviewed on 11/18/2023

    She addresses the issue at hand and allows time for the patient to ask questions.

    5 out of 5 stars
    Reviewed on 11/16/2023

    She really took the necessary time to hear and address my concerns.

    5 out of 5 stars
    Reviewed on 11/15/2023

    Ms. O'Brien was very friendly. She was knowledgeable in what we discussed and provided the next steps to what was expected of me as well as Banner. She was encouraging throughout our entire process.

    5 out of 5 stars
    Reviewed on 11/12/2023

    Is very professional, listens, understands and is supporting me to get back on track.

    5 out of 5 stars
    Reviewed on 11/11/2023

    Ms. Margaret is very professional and kind. She answers questions in a manner that is easily understood yet knowledgeable. I feel very comfortable and recommend Ms. Margaret to anyone going through this process.

    5 out of 5 stars
    Reviewed on 11/11/2023

    Always pleasant

    5 out of 5 stars
    Reviewed on 9/4/2023

    She addressed my concerns and was friendly!

    5 out of 5 stars
    Reviewed on 7/25/2023

    Good

    5 out of 5 stars
    Reviewed on 7/14/2023

    She was very informative and polite.

    5 out of 5 stars
    Reviewed on 6/15/2023

    Margaret was very personable and easy to work with.

    5 out of 5 stars
    Reviewed on 5/22/2023

    Was very nice, and gave me all information I needed.

    5 out of 5 stars
    Reviewed on 5/21/2025

    She is very knowledgeable, friendly, and professional.

    5 out of 5 stars
    Reviewed on 8/20/2024

    Very helpful and is to understand

    4 out of 5 stars
    Reviewed on 3/1/2024

    She's helpful

    4 out of 5 stars
    Reviewed on 1/6/2024

    She a good dietitian.

    4 out of 5 stars
    Reviewed on 11/12/2023

    She was very knowledgeable and understanding towards my problems. She was going to send a email i have not received it yet.

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