Our Providers

Experienced internal medicine providers in Richardson, TX.

Mark Brickey, MD

Board-Certified Internal Medicine Physician | Sage Health Internal Primary Care, Richardson, TX

Dr. Mark Brickey is a board-certified internal medicine physician with over a decade of experience providing comprehensive care for adults 18 and older. He is passionate about building long-term relationships with his patients, taking a proactive approach that emphasizes preventive care, chronic disease management, and well-coordinated treatment plans. Dr. Brickey’s wide-ranging experience—from hospital medicine to rehabilitation, nursing homes, and outpatient surgical centers—allows him to bridge the gap between primary care and specialty care, ensuring patients receive thorough, connected care.

Education & Training

University of Texas Health Science Center at San Antonio

Internal Medicine Residency, Danbury Hospital, Connecticut — Resident of the Year

Clinical Focus & Expertise

Preventive and routine adult primary care

Chronic condition management and wellness

Coordination between primary and specialty care

Hospital, rehab, and surgical center experience

Outside the Office

Married to Priscilla; father to Bell (5) and Birdie (3)

Enjoys cooking with his family, baking sourdough, and experimenting with new recipes

The Care You Need, Right When You Need It.

Your personalized care experience is just a few clicks away.

Heather Bartlett, DNP, FNP-BC

Doctor of Nursing Practice | Sage Health Internal Primary Care, Richardson, TX

Heather Bartlett is a family nurse practitioner specializing in family and women’s health. With 15+ years of experience in medical-surgical, oncology, trauma, and outpatient care, she provides holistic, patient-centered care for patients of all ages. Heather’s work with Mercy Ships delivering surgical and women’s healthcare in underserved communities shaped her approach to compassionate, individualized care.