California Chapter
Featured 
Save the Date! 2025 California Regional Scientific Meetings
Join your local chapter colleagues at one of the upcoming regional annual scientific meeting.
Featured 
2025 Chapter Excellence Award Winner
We are pleased to announce that California Northern, California Southern 1, California Southern 2, and California Southern 3 are all recipients of the Gold Level of the 2025 Chapter Excellence Award! This is the highest chapter recognition with ACP. We would like to extend a special thanks to those chapter members who assisted us in all of these endeavors! For their hard work and dedication, we received this award.
Meetings & Events View All
- 2025 SoCal Region 1 & SoCal Region 2 Annual Scientific Meeting
October 5, 2025
Claim CME/MOC - 2025 Northern California Region Annual Scientific Meeting
October 11, 2025
Li Ka Shing Center at Stanford University | Stanford, CA - 2025 SoCal Region 3 Annual Scientific Meeting
October 25, 2025
T. Denny Sanford Medical Education and Telemedicine Center (UC San Diego School of Medicine Campus) | La Jolla, CA
Chapter News View All
- 2025 Chapter Excellence Award September 2025
- Congratulations New Chapter Fellows July 2025
- Congratulations New Chapter Fellows April 2025
- Chapter Speakers at IMM25 in New Orleans, LA January 2025
- Congratulations to California Chapter Members on National Awards October 2024
- 2024 Narrative Medicine Competition Results October 2024
- Congratulations New Chapter Fellows September 2024
Toolkits & Resources View All
About the Chapter
Danny L Sam, MD, FACP
Governor
California Northern
Eric Hsieh, MD, FACP
Governor
California Southern Region I
Rejan C. McCaskill, MD, FACP
Governor
California Southern Region II
Vineet Gupta, MD, SFHM, FACP
Governor
California Southern Region III
Chapter Contacts
Names and contact information for the Governors and Chapter Executive Directors of the California Chapters.
Chapter Contacts
Podcasts: The DEI Shift
Advocacy
Links to Legislatures and online resources to contact your representatives and learn about key health policy issues. In addition, find information on local HPPC Committees as well as important Medicare updates.
Chapter Volunteer Opportunities
We've added more ways to get involved with ACP! Take a few minutes to complete your new Membership Engagement Profile.
Southern California Region 1 Voluntary Contributions
Your contributions help ACP Southern California Region 1 empower and elevate internal medicine physicians through mentorship, advocacy, and education.
Southern California Region 2 Voluntary Contributions
With your help, our Chapter can invest in the future of medicine, advance lifelong learning, support physician wellbeing, and be a voice for change.