Onyx Pharmaceuticals, Inc. is a local Drugs Affecting Parasitic And Infective Diseases business based in South San Francisco, CA.
This phone number has been independently verified as the best phone number by GetHuman users in South San Francisco and around San Mateo County who called the phone number and gave us feedback. This month, 21 customers have verified this phone number.
Customers report that this number goes to voicemail 34% of the time.