Board Certifications

  • Internal Medicine
  • Endocrinology, Diabetes, and Metabolism

Areas of Expertise

  • Diabetes
  • Osteoporosis
  • Thyroid Disorders



University of Maryland Medical Center
Endocrinology, Diabetes, and Metabolism
Baltimore, MD

Internship and Residency

University of Maryland Medical Center
Internal Medicine
Baltimore, MD
1989 and 1991

Medical School

Medical University of South Carolina
Doctor of Medicine
Charleston, SC

Undergraduate School

College of Charleston
Bachelor of Science
Charleston, SC

Hospitals Affiliated With

Greater Baltimore Medical Center
University of Maryland St. Joseph Medical Center

Professional Association

American Association of Clinical Endocrinologists


Dr. Tyzack received her undergraduate degree at the College of Charleston and her medical degree from the Medical University of South Carolina. She completed her internship and residency in Internal Medicine at the University of Maryland Medical Center. She also completed her fellowship in Endocrinology and Metabolism at UMMS. She is board certified in both Internal Medicine and Diabetes, Endocrinology, and Metabolism. She joined Bay Endocrinology in 1993. She is a member of the American Association of Clinical Endocrinologists. Her main areas of interest in the field of endocrinology are diabetes management, treatment of thyroid disease and the treatment and prevention of osteoporosis.