California Chapter
Featured 
2025 California Chapters Annual Scientific Meetings
Thank you for attending one of our 2025 chapter meetings. Your feedback is important. To claim CME & MOC credit or to generate a certificate of participation you will be asked to first complete an evaluation survey.
Featured 
Congratulations to Drs. Chin, Dahms, and Pena Ruiz on National Awards
We are pleased to announce that Eliza L Chin, MD, MACP (California Northern) is the recipient of the Elizabeth and Emily Blackwell Award for Outstanding Contributions to Advancing the Careers of Women in Medicine. and Karen J. Nichols, DO, MACP is the recipient of Mastership. Eric B Dahms, MD, MACP (California Southern 3) and Miguel A Pena Ruiz, MD, MACP (California Southern 3) are recipients of Mastership.
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
Claim CME/MOC - 2025 SoCal Region 3 Annual Scientific Meeting
October 25, 2025
Claim CME/MOC
Chapter News View All
- Congratulations to Drs. Chin, Dahms, and Pena Ruiz on National Awards December 2025
- Congratulations New Chapter Fellows December 2025
- 2025 Chapter Excellence Award September 2025
- Congratulations New Chapter Fellows July 2025
- Congratulations New Chapter Fellows April 2025
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.