
Sherri Crenshaw McMahan, FNP
Family Medicine
Highlights
Age Groups Seen
- Infants and Toddlers
- Children 2-4
- Children 5 and up
- Teens
- Adults
- Adults 65 and up
Languages
- English
Gender
FemaleAbout 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
- Prisma Health Family Medicine – Walhalla
- 103 Whitetail Drive, Walhalla, SC 29691
- Get Directions
- phone: 864-638-3444
- fax: 864-638-3445
Expertise
Education
- Professional School: South University-Savannah Campus, Nurse Practitioner (NP)
Board Certifications
- Family Nurse Practitioner: American Academy of Nurse Practitioners Certification Board
Insurance
- 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 reviewsThe Patient Satisfaction Rating is derived from patient surveys based on the likelihood to recommend this provider’s office.
- 5 out of 5 starsReviewed 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 starsReviewed on 2/26/2026
I am always taken care of with my medical needs!
- 5 out of 5 starsReviewed on 2/24/2026
I don't have any suggestions for improvement.
- 5 out of 5 starsReviewed on 2/22/2026
Everything was great. I can't think of anything that would have made it any better.
- 5 out of 5 starsReviewed on 2/16/2026
Satisfied
- 5 out of 5 starsReviewed on 2/8/2026
Everything was good
- 5 out of 5 starsReviewed on 2/7/2026
Everything was excellent
- 5 out of 5 starsReviewed on 1/19/2026
Everything was excellent while I was there
- 3 out of 5 starsReviewed on 1/20/2026
Follow up on results
- 5 out of 5 starsReviewed on 1/10/2026
Smooth visit, can't think of anything
- 5 out of 5 starsReviewed on 1/3/2026
Sherri is really great; professional and listens!!!!
- 5 out of 5 starsReviewed on 12/17/2025
I was well pleased.
- 5 out of 5 starsReviewed on 12/11/2025
My visit was wonderful!!!
- 5 out of 5 starsReviewed on 12/7/2025
All was very good
- 5 out of 5 starsReviewed 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 starsReviewed on 11/22/2025
Nothing! Sherri never rushes me and listens
- 5 out of 5 starsReviewed on 11/17/2025
Everything was fine. I don't how it could have been any better.
- 5 out of 5 starsReviewed 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 starsReviewed on 11/9/2025
I can't think of a thing that would make it a better experience!
- 4 out of 5 starsReviewed on 11/4/2025
A smile would have gone a long way.
- 5 out of 5 starsReviewed on 10/24/2025
Everything was wonderful
- 5 out of 5 starsReviewed 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 starsReviewed on 10/21/2025
Everything was perfect as usual
- 5 out of 5 starsReviewed on 10/17/2025
No complaints
- 4 out of 5 starsReviewed 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 starsReviewed on 9/26/2025
It's always a pleasure to go to Walhalla Family Medicine.
- 4 out of 5 starsReviewed 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 starsReviewed on 9/11/2025
Everything was fine. No improvement needed.
- 5 out of 5 starsReviewed on 8/29/2025
Nothing, the staff was courteous and professional
- 5 out of 5 starsReviewed on 8/28/2025
All was done as I expected it to be. I was very satisfied
- 5 out of 5 starsReviewed on 8/28/2025
Everything is good
- 5 out of 5 starsReviewed on 8/24/2025
I had excellent care!
- 5 out of 5 starsReviewed 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 starsReviewed on 8/21/2025
I was pleased with the visit many happy faces
- 5 out of 5 starsReviewed on 8/14/2025
Getting to know my medical history, a little bit better
- 5 out of 5 starsReviewed on 8/9/2025
No complaints at all. I'm very happy with the care I received.
- 5 out of 5 starsReviewed on 8/4/2025
I was totally satisfied with my medical appointment!
- 5 out of 5 starsReviewed on 8/3/2025
I don't know of anything that needs improving, everything was perfect.
- 5 out of 5 starsReviewed on 8/1/2025
Everything was great. I wouldn't change a thing.
- 5 out of 5 starsReviewed on 7/26/2025
Everything was done great
- 5 out of 5 starsReviewed 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 starsReviewed on 7/14/2025
I was very pleased.
- 5 out of 5 starsReviewed on 7/13/2025
Everything was perfect
- 5 out of 5 starsReviewed on 7/14/2025
No everything was good
- 5 out of 5 starsReviewed 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 starsReviewed on 7/4/2025
Nothing. All was well
- 5 out of 5 starsReviewed on 7/4/2025
Nothing I was very pleased with the service I get with each of my visits
- 5 out of 5 starsReviewed on 6/28/2025
doing what you guys are doing is great thank you all
- 5 out of 5 starsReviewed on 6/26/2025
Excellent assistance and kindness.
- 2 out of 5 starsReviewed 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 starsReviewed on 6/12/2025
Nice job
- 5 out of 5 starsReviewed on 6/9/2025
Everything was great
- 5 out of 5 starsReviewed on 6/8/2025
Nothing could have been improved
- 5 out of 5 starsReviewed on 6/6/2025
Everything was great
- 5 out of 5 starsReviewed on 6/4/2025
All of the staff were GREAT!
- 5 out of 5 starsReviewed on 5/18/2025
Good visit. No improvements needed.
- 5 out of 5 starsReviewed 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 starsReviewed on 5/16/2025
Nothing else could've been done to improve the care I received. Great staff!
- 5 out of 5 starsReviewed on 5/11/2025
NA. The care we received was phenomenal.
- 5 out of 5 starsReviewed on 5/3/2025
Happy as all went well!
- 5 out of 5 starsReviewed on 5/1/2025
Everything was great. I don't know how you could improve what's already in place.
- 5 out of 5 starsReviewed on 4/27/2025
It was a very good experience
- 5 out of 5 starsReviewed on 4/25/2025
Nothing, everything and everyone was very professional!
- 5 out of 5 starsReviewed on 4/27/2025
They were very good, totally understanding and how I was feeling. Everything was good.