Provider Support

COVID Call Center

Email: For Program Info
Phone: (833) 502-1245
Hours: Mon–Fri, 8AM–8PM


Email: For Technical Support
Phone: (833) 502-1245, option 2


Manufacturer Contacts

My Turn

Email: For Onboarding,
Technical Support
Help Desk: (415) 621-9494
Sun–Sat, 7AM–7PM

Third Party Administrator

Email: For Allocations,
TPA Agreement,
General Questions

Provider Support

COVID-19 Call Center

The COVID-19 Call Center for Providers is dedicated to medical providers in California and their COVID response, specifically addressing questions about program requirements, enrollment, and vaccine distribution.

myCAvax (formerly CalVax) Vaccine Management System

Pfizer Customer Service

Pfizer COVID-19 vaccine website features manufacturer-specific COVID-19 vaccine information for HCPs (vaccine administration, storage & handling, etc.) and fact sheets for consumers. 

  • General Product Inquiries: (877) 829-2619
  • Safety Information: (800) 438-1985
  • Shipment Support: (800) 666-7248, Email: 
  • Controlant Customer Service: (855) 44-CONTROL
    For assistance with on-site temperature monitoring of Pfizer thermal shippers, be prepared to confirm Box ID (on inside flap) and Logger ID (on the Controlant Monitor).

Moderna Customer Service (McKesson)

Moderna COVID-19 vaccine website features manufacturer-specific COVID-19 vaccine information for HCPs (storage & handling, dosing & administration, etc.) and fact sheets for consumers.

  • Vaccine shipment issues:
    (833) 272-6635 Monday – Friday, 8 a.m. – 8 p.m. PST
    Email:  (only email if after hours)  
  • Vaccine viability: 1-866-MODERNA (1-866-663-3762)

Ancillary Kits for Pfizer and Moderna

  • Missing or incomplete kits: (833) 502-1245 Monday – Friday, 8 a.m. – 8 p.m.