Known as the Beverly Hills Concierge Doctor, Dr. Ehsan Ali has worked with celebs such as Justin Bieber, Ariana Grande, Liam Hemsworth - to name a few. He's in hot demand these days offering up services ranging from fillers and IV Vitamin Drips to the everyday needs of his patients as a board certified Internal and Geriatric Medicine doctor. One might wonder when he ever sleeps as he's also a Doctor on Demand and is available 24/7 for house calls.  We sat down with Dr. Ali to get his advice on getting fillers for a newbie, how he balances his busy schedule, and why everyone should get an IV Vitamin Drip.