
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

Leadership – Chief Operating Officer, Hillside Medical Group
Chief Operating Officer, Hillside Medical Group
Donna Marie Barry is a dedicated healthcare professional with over 35 years of experience in practice operations and human resources who joined Hillside Medical Group in late 2024 as Chief Operating Officer.
She has built a career focused on practice operations, business development, and program creation across various San Antonio healthcare settings. Her leadership approach emphasizes communication, strategic problem-solving, and relationship building.
Donna is especially passionate about developing people, nurturing talent, and fostering growth, which has been a consistent cornerstone of her career.
Originally from Amarillo, Texas, she relocated to San Antonio early in her professional journey. She raised two adult children in Helotes and enjoys cooking and culinary experiences outside of work.
Chief Operating Officer (COO)Hillside Medical Group (2024 to present)
35+ Years ExperienceHealthcare Practice Operations & Human Resources

Family Medicine
