{"id":"0d385ee0-093c-436a-87a2-ed8b5da0b19e","name":"Dr Tammy T. Chang, MD, PhD","url":"https://citybotmagic.com/us/ca/san-francisco/dr-tammy-t-chang-md-phd/","api":"https://citybotmagic.com/api/v1/us/ca/san-francisco/dr-tammy-t-chang-md-phd.json","category":"doctors_office","categoryLabel":"Doctors Office","group":"health_care","groupLabel":"Health Care","address":"400 Parnassus Ave Fl 2","city":"San Francisco","state":"CA","postcode":"94143","lat":37.764179535296584,"lon":-122.45741958299033,"phone":"+14153532161","phoneDisplay":"(415) 353-2161","website":"https://www.ucsfhealth.org/providers/dr-tammy-t-chang","socials":[],"description":"Dr. Tammy T. Chang is a surgeon who specializes in gastrointestinal conditions as well as urgent conditions requiring prompt treatment.\nChang directs a...","services":["Frequently asked questions","Charges at other facilities","UCSF Medical Center standard charges","Price list file","Download our charge description master (CDM)","Recommended reading","I want to...","More information","Research & education","Patient Estimate Program","Commonly searched specialties, A-Z","Search for a specialty or subspecialty"],"bookingUrl":"https://www.ucsfhealth.org/patients-visitors/appointments","websiteChecked":"2026-10-14","sources":[{"dataset":"Foursquare","license":"Apache-2.0","updated":"2025-05-30"}]}