A Nephrology expert witness is a physician who testifies about the care and treatment of kidney disease including renal failure and dialysis.

A Medical Genetics expert witness is a physician Geneticist who testifies on a genetics issues ranging from genetic testing to metabolic disease.

A Medical Ethics expert witness is a physician Ethicist who testifies on a range of ethical issues that interface with healthcare and clinical research.

An Interventional Radiology expert witness is a Radiologist who testifies on the use of minimally invasive imaging techniques to diagnose and treat disease.

An Interventional Cardiology expert witness is a Cardiologist who testifies on the use of cardiac procedures to diagnose and treat cardiac disease.

An Internal Medicine expert witness is an Internist who testifies on the diagnosis and treatment of medical conditions in adult patients.

A Hospital Medicine expert witness is a specialized physician (Hospitalist) who testifies about the care and treatment of hospitalized patients.

A Hematology expert witness is a Hematologist who testifies about the diagnosis and treatment of blood diseases and cancers such as lymphoma and leukemia.

A Gastroenterology expert witness is a Gastroenterologist who testified about colon cancer, endoscopy, colonoscopy, and other GI procedures and diseases.

A Family Medicine expert witness is a physician who testifies about the standard of care for treating children and adults in Family Medicine practices.

An Endocrinology expert witness is an Endocrinologist who testifies about diagnosing and treating diabetes, thyroid disease, and other endocrine conditions.

An Emergency Medicine expert witness is an ER physician who testifies on the standard of care for treating children and adults in the emergency department.

A Dermatology expert witness is a Dermatologist who testifies about the diagnosis and treatment of medical and cosmetic skin conditions.