Text "Hello" to 474-624 to get more info. Mount Sinai Doctors - West 23rd Street offers Chelsea residents and workers a convenient option for primary and specialty care that fit your busy schedule. At our state-of-the-art facility we give you advanced patient care by providing comprehensive services, treatment, and ongoing support. Our recently renovated office is conveniently located near public transportation as well the School of Visual Arts Theater, the Highline, and the Hudson Guild. We schedule appointments in advance and accept walk-ins. For scheduling appointments by phone, you can either call our office or send a text message. To schedule by text message, text “Hello” to 474-624 on weekdays between the hours of 9:00 am and 5:00 pm. You will be redirected to a secure chat portal to easily book an appointment without a phone call.