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Sherri Crenshaw McMahan

Sherri Crenshaw McMahan, FNP

Family Medicine

Accepting New Patients
Online Booking

Highlights

Age Groups Seen

  • Infants and Toddlers
  • Children 2-4
  • Children 5 and up
  • Teens
  • Adults
  • Adults 65 and up

Languages

  • English

Gender

Female

About Sherri Crenshaw McMahan

Sherri McMahan, FNP, is a family nurse practitioner at Family Medicine in Walhalla, South Carolina. She brings over 30 years of experience to the practice, helping the medical team with patient care, including health assessments, blood work, and in-office diagnostics, such as EKGs and vaccination administration. She also provides preventive healthcare treatments and education for disease management and prevention.

Sherri began her nursing career as a Licensed Practical Nurse at Anderson Area Medical Center in Anderson County, South Carolina. She continued her education with an associate degree in nursing from Tri-County Technical College in Pendleton, South Carolina. Sherri then pursued her bachelor’s and master’s degrees in nursing at South University in Savannah, Georgia.

When not at work, Sherri still enjoys caring for others. She proudly serves her local community, working as a patient advocate for the health, well-being, and education of her patients. Sherri takes an active role in teaching other nurse practitioner students from local universities.

A native of Seneca, South Carolina, Sherri enjoys spending time with her husband and three adult children. She also cherishes being with her two sweet grandchildren, her friends, and extended family.

Video

Locations

  1. Prisma Health Family Medicine – Walhalla

Expertise

Education

  • Professional School: South University-Savannah Campus, Nurse Practitioner (NP)

Board Certifications

  • Family Nurse Practitioner: American Academy of Nurse Practitioners Certification Board

Insurance

Note: Please contact your insurance provider to confirm participation
Search plans
  • Absolute Total Care - Ambetter
  • Absolute Total Care (Centene)
  • Aetna
  • Aetna Medicare
  • Allwell Medicare - Absolute Total Care
  • BCBS
  • BCBS Blue Essentials
  • BCBS PPC
  • BCBSSC Blue Reedy Exchange Product (Upstate)
  • BCBSSC State Health Plan (PEBA)
  • BlueChoice Health Plan
  • BlueChoice Medicaid - Healthy Blue
  • BlueChoiceMyChoice Advantage
  • Carelon Behavioral Health
  • Cigna
  • Cigna Medicare
  • Companion Benefit Alternatives
  • CorVel Workers Compensation
  • Evernorth Behavioral Health
  • FirstHealth (Aetna)
  • Healthy Connections
  • Humana - Healthy Horizons
  • Humana Choice Care
  • Humana Medicare
  • Liberty Advantage
  • Logistics Health
  • Magellan
  • MedCost
  • Medicare (Traditional Fee-for-Service)
  • Molina
  • Molina Medicaid
  • NHC Advantage
  • Optum Behavioral Health
  • Promise Health Plan
  • SC Medicaid Healthy Connections
  • Select Health Medicare
  • Select Heath (First Choice)
  • Spectera
  • TriCare
  • UnitedHealthcare Medicare Advantage
  • Veterans Affairs Community Care Network - VACCN
  • Wellcare (Centene)

Ratings & Reviews

4.9 out of 5

268 ratings, 64 reviews

The Patient Satisfaction Rating is derived from patient surveys based on the likelihood to recommend this provider’s office.

Trust Provider with Care
Likely to Recommend
Search reviews
    5 out of 5 stars
    Reviewed on 3/5/2026

    Sherri is so caring and professional. She listens and is always ready to help. Her nurse is fairly new but was so sweet while doing her part to get me ready for Sherri. There's been a lot of changes lately at this office. Please don't lose Sherri!!

    5 out of 5 stars
    Reviewed on 2/26/2026

    I am always taken care of with my medical needs!

    5 out of 5 stars
    Reviewed on 2/24/2026

    I don't have any suggestions for improvement.

    5 out of 5 stars
    Reviewed on 2/22/2026

    Everything was great. I can't think of anything that would have made it any better.

    5 out of 5 stars
    Reviewed on 2/16/2026

    Satisfied

    5 out of 5 stars
    Reviewed on 2/8/2026

    Everything was good

    5 out of 5 stars
    Reviewed on 2/7/2026

    Everything was excellent

    5 out of 5 stars
    Reviewed on 1/19/2026

    Everything was excellent while I was there

    3 out of 5 stars
    Reviewed on 1/20/2026

    Follow up on results

    5 out of 5 stars
    Reviewed on 1/10/2026

    Smooth visit, can't think of anything

    5 out of 5 stars
    Reviewed on 1/3/2026

    Sherri is really great; professional and listens!!!!

    5 out of 5 stars
    Reviewed on 12/17/2025

    I was well pleased.

    5 out of 5 stars
    Reviewed on 12/11/2025

    My visit was wonderful!!!

    5 out of 5 stars
    Reviewed on 12/7/2025

    All was very good

    5 out of 5 stars
    Reviewed on 11/29/2025

    Everyone in this office is friendly and helpful! I appreciate that they respond to messages quickly. They could identify themselves.

    5 out of 5 stars
    Reviewed on 11/22/2025

    Nothing! Sherri never rushes me and listens

    5 out of 5 stars
    Reviewed on 11/17/2025

    Everything was fine. I don't how it could have been any better.

    5 out of 5 stars
    Reviewed on 11/15/2025

    There is nothing more that could be offered Sherri is great and listens well with healthcare options to questions.

    5 out of 5 stars
    Reviewed on 11/9/2025

    I can't think of a thing that would make it a better experience!

    4 out of 5 stars
    Reviewed on 11/4/2025

    A smile would have gone a long way.

    5 out of 5 stars
    Reviewed on 10/24/2025

    Everything was wonderful

    5 out of 5 stars
    Reviewed on 10/24/2025

    Sherri was very thorough in discussing my health diagnosis and treatment. She is very professional and personable.

    5 out of 5 stars
    Reviewed on 10/21/2025

    Everything was perfect as usual

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

    No complaints

    4 out of 5 stars
    Reviewed on 10/8/2025

    I just wanted to say that Sherri McMahan is one of the best in Oconee County. My doctor is in Simpsonville and she just said that she would take me on as a patient and she's the only one in Oconee County that I would trust. So she's wonderful, thank you.

    5 out of 5 stars
    Reviewed on 9/26/2025

    It's always a pleasure to go to Walhalla Family Medicine.

    4 out of 5 stars
    Reviewed on 9/18/2025

    I was asked when the last time I had some GI procedures. I didn't know, but I told the provider that it should be in my records.

    5 out of 5 stars
    Reviewed on 9/11/2025

    Everything was fine. No improvement needed.

    5 out of 5 stars
    Reviewed on 8/29/2025

    Nothing, the staff was courteous and professional

    5 out of 5 stars
    Reviewed on 8/28/2025

    All was done as I expected it to be. I was very satisfied

    5 out of 5 stars
    Reviewed on 8/28/2025

    Everything is good

    5 out of 5 stars
    Reviewed on 8/24/2025

    I had excellent care!

    5 out of 5 stars
    Reviewed on 8/22/2025

    There's absolutely nothing these wonderful people could do to change or improve, they are the absolute BEST! I'll never go anywhere else! They are seriously the best!!

    5 out of 5 stars
    Reviewed on 8/21/2025

    I was pleased with the visit many happy faces

    5 out of 5 stars
    Reviewed on 8/14/2025

    Getting to know my medical history, a little bit better

    5 out of 5 stars
    Reviewed on 8/9/2025

    No complaints at all. I'm very happy with the care I received.

    5 out of 5 stars
    Reviewed on 8/4/2025

    I was totally satisfied with my medical appointment!

    5 out of 5 stars
    Reviewed on 8/3/2025

    I don't know of anything that needs improving, everything was perfect.

    5 out of 5 stars
    Reviewed on 8/1/2025

    Everything was great. I wouldn't change a thing.

    5 out of 5 stars
    Reviewed on 7/26/2025

    Everything was done great

    5 out of 5 stars
    Reviewed on 7/25/2025

    Sherri and her nurse was very professional and knowledgeable. They took their time and listened to my concerns. There's nothing else I could say that needed to be done. Love them

    5 out of 5 stars
    Reviewed on 7/14/2025

    I was very pleased.

    5 out of 5 stars
    Reviewed on 7/13/2025

    Everything was perfect

    5 out of 5 stars
    Reviewed on 7/14/2025

    No everything was good

    5 out of 5 stars
    Reviewed on 7/12/2025

    There isn't anything more these wonderful people can do to improve anything. Everyone there is amazing! I'll never go anywhere else.

    5 out of 5 stars
    Reviewed on 7/4/2025

    Nothing. All was well

    5 out of 5 stars
    Reviewed on 7/4/2025

    Nothing I was very pleased with the service I get with each of my visits

    5 out of 5 stars
    Reviewed on 6/28/2025

    doing what you guys are doing is great thank you all

    5 out of 5 stars
    Reviewed on 6/26/2025

    Excellent assistance and kindness.

    2 out of 5 stars
    Reviewed on 6/15/2025

    My nurse was extremely thorough and kind. The provider however rushed me out so fast and left me at the bathroom to leave a sample with no instructions what to do when I was finished. I had to go find a nurse.

    5 out of 5 stars
    Reviewed on 6/12/2025

    Nice job

    5 out of 5 stars
    Reviewed on 6/9/2025

    Everything was great

    5 out of 5 stars
    Reviewed on 6/8/2025

    Nothing could have been improved

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

    Everything was great

    5 out of 5 stars
    Reviewed on 6/4/2025

    All of the staff were GREAT!

    5 out of 5 stars
    Reviewed on 5/18/2025

    Good visit. No improvements needed.

    5 out of 5 stars
    Reviewed on 5/18/2025

    I was very pleased with the care I received. The staff was very warm and sincere with the help they gave me.

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

    Nothing else could've been done to improve the care I received. Great staff!

    5 out of 5 stars
    Reviewed on 5/11/2025

    NA. The care we received was phenomenal.

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

    Happy as all went well!

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

    Everything was great. I don't know how you could improve what's already in place.

    5 out of 5 stars
    Reviewed on 4/27/2025

    It was a very good experience

    5 out of 5 stars
    Reviewed on 4/25/2025

    Nothing, everything and everyone was very professional!

    5 out of 5 stars
    Reviewed on 4/27/2025

    They were very good, totally understanding and how I was feeling. Everything was good.

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