Dr. Klein received his medical degree in 1980 from the University of California-San Francisco. He completed his residency at New York Hospital-Columbia University Medical Center, and underwent his fellowship in diabetes, endocrinology and metabolism at UCSF. Dr. Klein became board certified in internal medicine in 1983, and in endocrinology in 1987.
- New York Hospital, Columbia University Medical Center
- Diabetes/endocrinology/metabolism-University of California, San Francisco
Memberships and associations
- Internal medicine, 1983