- Endocrinology and diabetes
Special focus on
- New York Hospital, Columbia University Medical Center
- Diabetes/endocrinology/metabolism-University of California, San Francisco
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.
Memberships and associations
- Internal medicine, 1983