Skip to main content
Informational

Attention patients:

Starting Nov. 8, 2025, you will need to enroll in MyChart, your new patient portal, to contact your provider, request medications or see test results.

Health care

We provide affordable and personalized care

How can we help?

Helpful links

Financial

Accounts to help you save and pay for health care expenses

How can we help?

Helpful links

  • Resources

    Find contribution limits, savings tools, calculators and eligible expenses

  • Account support

    Find contact information and frequently asked questions

Tax season resources

Get ready for HSA tax season

If you used an HSA this year, the HSA Tax Center offers general information about contributions, eligible expenses and commonly used tax forms — all in one place.

Pharmacy

We make it easy to get medications you need, when and where you need them

How can we help?

Helpful links

  • Optum Rx

    For people with pharmacy insurance benefits through Optum Rx

  • Track orders

    Track your home delivery and specialty order

  • Pharmacy support

    Find contact information and answers to frequently asked questions

Mobile app

Optum Rx on the go

Request refills, track order status, manage billing information and much more.

Download on the App StoreGet it on Google Play
Sharron P Grannis, MD

Sharron P Grannis, MD

Optum Provider

Specialty

Family Medicine

Languages

English, French, Wolof

Seeing patients at

Patient Reviews

Patient review summary

Learn about our survey

5

4

3

2

1

4.9

63 reviews

    • Reviewed on Jun 27, 2026
    • Verified Review

    She cares for her patients and because of that she spends more time with them.

    • Reviewed on Jun 27, 2026
    • Verified Review

    She is competent and proactive, and willing to spend the warranted amount of attention on complex issues.

    • Reviewed on Jun 19, 2026
    • Verified Review

    Doctor Grannis is knowledgeable and compassionate.

    • Reviewed on Jun 16, 2026
    • Verified Review

    Very High level of commitment to my care and my concerns. Very knowledgeable.

    • Reviewed on Jun 14, 2026
    • Verified Review

    She explains things to you and makes me comfortable to discuss my concerns with her

    • Reviewed on Jun 13, 2026
    • Verified Review

    She's a great doctor. Very caring and willing to answer my questions.

    • Reviewed on Jun 11, 2026
    • Verified Review

    She is very caring, patient, explains, answers questions and she was very understanding with me during a very difficult time in my life and that was very appreciated.

    • Reviewed on Jun 10, 2026
    • Verified Review

    I have been with Dr. Grannis for more than 10 years and I couldn't be happier. I especially appreciate the medical research related to every issue and taking my problems seriously.

    • Reviewed on Jun 10, 2026
    • Verified Review

    Because she was very kind to me and listened and didn’t seem to want to rush me out.

    • Reviewed on May 29, 2026
    • Verified Review

    Knowledgeable, friendly

    • Reviewed on May 24, 2026
    • Verified Review

    She has done an excellent job for me over the last decade plus.

    • Reviewed on May 22, 2026
    • Verified Review

    She had amazing input for your issue you are seeing her for. She is knowledgeable and caring.

    • Reviewed on May 20, 2026
    • Verified Review

    Knowledgeable doctor who takes great care and the proper time with her patients

    • Reviewed on May 14, 2026
    • Verified Review

    She is a great resource of information. She listens. She understands me.

    • Reviewed on Apr 8, 2026
    • Verified Review

    She is a fantastic doctor. An expert grounded in research, kind, empathetic, and a great listener.

    • Reviewed on Apr 2, 2026
    • Verified Review

    Listens well and very thorough

    • Reviewed on Apr 1, 2026
    • Verified Review

    Listens to concerns and helps to provide answers.

    • Reviewed on Mar 30, 2026
    • Verified Review

    Wonderful person & doctor care is attentive. Knowledgeable about her patients needs, shows genuine reasonable compassion

    • Reviewed on Mar 24, 2026
    • Verified Review

    I think the world of Dr. Grannis and am so thankful she is my physician. She explains things to me and is up on current research and best practices. Teaching seems to come naturally to her.

    • Reviewed on Mar 23, 2026
    • Verified Review

    Always caring and spends needed time with me

Page 1 of 4
  • Gender

    Female

    Board certifications

    American Board of Family Medicine

    Employed or contracted

    Employed

    Network Name

    Optum Indiana

    NPI

    1194773267

  • Insurance Accepted

    This list is for informational purposes only and may not reflect the most current plans accepted by the provider. Optum accepts most major health insurance plans. Please contact your insurance company to confirm your coverage, eligibility, and the provider's participation in your plan.

    • Most major plans accepted
    • please call to verify.
  • Medical School

    • Michigan State University

      Family Medicine

    Residency

    • Michigan State University, College of Human Medicine

    Internship

    • MidMichigan Family Practice