Sherna Madan, MD Specializing in Internal Medicine and Endocrinology main menu   home   about dr. madan   about the practice   patient services   patient education   hours & location   staff   contact       Contact Us   Please call our office with any non-urgent requests. We will respond as quickly as we are able. If you have an urgent medical concern, dial 911 or proceed to the emergency room of your nearest hospital.   If you would like to request a refill on an existing prescription, please phone your pharmacy and have them fax your request to (650) 631-6801.   Office Hours   Monday | Tuesday | Thursday 9 AM to 5:30 PM   Wednesday | Friday 9 AM to 12:30 PM   Telephone   (650) 631 - 6800       Sherna Madan, MD  |  39 Birch Street Suite C  |  Redwood City CA 94062  |  650 631 6800   home  |  about dr. madan  |  about the practice  |  patient services  |  patient education clinical trials  |  hours & location  |  staff  |  contact