
Dr. Mark Bentley, DO
Family Medicine
- Office Hours
- Monday - Friday: 8:00 AM – 5:00 PM · Saturday: 8:00 AM – 2:00 PM · Sunday: Closed
- Languages
- English
Accepting New PatientsPrimary Care – Family Nurse Practitioner
Family Nurse Practitioner
Sarah Hessling is a Texas Tech University alumna holding both undergraduate nursing and MSN degrees. She has practiced family medicine in San Antonio since 2022 and is an active member of Texas Nurse Practitioners.
She is passionate about diabetes management, metabolic disorders, and medically supervised weight programs, which she considers critically important in a community like San Antonio. Outside work, she is a devoted pet parent who enjoys road trips, camping, hiking, yoga, biking, reading, crochet, and sewing.
FNP-CBoard Certified Family Nurse Practitioner (APRN, MSN)
MSNTexas Tech University Health Sciences Center
BSNTexas Tech University
Active MemberTexas Nurse Practitioners

Family Medicine
