Zigrang William D MD Endocrinology, Internal Medicine, Nutrition is their Medial specialty. They are knowledgeable in the following conditions / disorders: Cholesterol, Diabetes, Parathyroid. Zigrang William D MD is located on 1750 El Camino Real 403 202 in Burlingame. They can be reached by phone by calling (650) 692-9751 . They can be reached by calling (650) 692-9751 . They have a single review on MojoPages.com, and it's a positive review.