SSM Health Medical Group
Sierra Hiestand, APRN-CNP Family Medicine, Family Nurse Practitioner, Nurse Practitioner in Mount Vernon, IL
SSM Health Medical Group
4103 S. Water Tower Place Mount Vernon, IL 62864
Sierra received a bachelor's degree in Nursing from Southern Illinois University in Edwardsville, IL. She earned a Master of Science in Nursing from Maryville University in St. Louis.
Sierra's background includes experience in critical patient care across numerous medical disciplines for patients of all ages.
Sierra treats patients of all ages for a wide variety of conditions.
Sierra's background includes experience in critical patient care across numerous medical disciplines for patients of all ages.
Sierra treats patients of all ages for a wide variety of conditions.
About Me
Specialties
Family Medicine
Family Nurse Practitioner
Nurse Practitioner
Education
Maryville University
Master of Science in Nursing, 2025
Hospital Affiliations
SSM Health Good Samaritan Hospital - Mt. Vernon
Certifications
American Academy of Nurse Practitioners
Drug Enforcement Administration
Illinois Department of Professional Regulation
Reviews
Rating Breakdown
Reviews are measured on a scale of 1 to 5, with 5 being the best score.
Question Breakdown
4.9Overall Experience4.9Listened Carefully4.9Explained Things Clearly4.8Knew Medical History4.9Involved in Care Decisions4.9Showed Courtesy & Respect
Patient Reviews
SSM Health only displays patient satisfaction data for providers included in our survey process and who have a minimum of 30 returned surveys. The overall rating is an average of all responses to the survey questions listed below. The ratings and comments submitted by patients reflect their own views and opinions. Patient identities are withheld to ensure confidentiality and privacy. Learn more about our survey.
4.9 out of 5
97 ratings,
27 reviews
8/10/2026
I really like her because she takes her time with you and is very concerned about your well-being.
7/25/2026
Very Pleased
7/24/2026
Sierra always listens and provide me amazing care. I was very skeptical about getting on anxiety medication but she helped me tremendously
7/8/2026
She is always taking a good care of me as far as my health. She is awesome!!!
4/23/2026
GREAT PERSON AND PERSONALITY
Map & Directions
SSM Health Medical Group
4103 S. Water Tower PlaceMount Vernon, IL 62864
Mon
7:30 am - 5:00 pm
Tue
7:30 am - 5:00 pm
Wed
7:30 am - 5:00 pm
Thu
7:30 am - 5:00 pm
Fri
7:30 am - 5:00 pm
Sat
Closed
Sun
Closed
Similar providers at this location
SSM Health Medical Group
Jason Davison, APRN-CNP Adult Health Nurse Practitioner in Mount Vernon, IL
4.9 out of 5 – 162 ratings
Schedule a Visit Jason Davison, APRN-CNP
SSM Health Medical Group
Bhargava Nelluri, MD Internal Medicine in Mount Vernon, IL
4.8 out of 5 – 151 ratings
Schedule a Visit Bhargava Nelluri, MD
4.9 out of 5 – 149 ratings
Schedule a Visit Nikki Lewis, APRN-CNP
Schedule a visit with
SSM Health Express Virtual Care
Online Health Care that Fits Your Life
Hours: Daily, 6:00 AM to 10:00 PM
Offering two affordable options. Choose the most convenient for you.