Dr. Gregory O'neal Clark, M.D. Internal Medicine - Endocrinology, Diabetes & Metabolism Medicare: Not Enrolled in Medicare Practice Location: 355 W Dundee Rd Ste 110, Buffalo Grove, IL 60089 Phone: 847-541-4878 Fax: 847-520-0500
Endocrinology, Diabetes & Metabolism: An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.