![]() 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 |
![]() Dr. Inessa M Gelfand, M.D. Internal Medicine - Endocrinology, Diabetes & Metabolism Medicare: Accepting Medicare Assignments Practice Location: 150 W Half Day Rd Ste 202, Buffalo Grove, IL 60089 Phone: 630-566-9565 Fax: 630-566-9565 |