California Hospital Medical Center names new Chief Medical Officer Debi Siljander, MD 

 

LOS ANGELES (July 8, 2022) — Dignity Health - California Hospital Medical Center (CHMC) is pleased to announce that Debi Siljander, MD, has joined CHMC as Chief Medical Officer. Prior to CHMC, Dr. Siljander served as Chief Clinical Transformation Officer at Natividad Medical Center, Director of Musculoskeletal Medicine and Faculty at the Family Medicine Residency affiliated with University California San Francisco, and Chief Medical Officer at Mee Memorial Hospital. Preceding Natividad, she was Medical Director of Together Health Network (THN), a Michigan statewide clinically integrated network consisting of 26 hospitals and 6,500 providers powered by two national health care systems, Trinity Health and Ascension Health. 

CHMC's new Chief Medical Officer Dr. Debi SiljanderAdditionally, Dr. Siljander was Director of Clinical Integration at Beaumont Health System and Faculty at the Family Medicine Residency affiliated with Oakland University William Beaumont School of Medicine. She has also served as Medical Director of Monterey Physicians Medical Group and MedQuan Sports Medicine, PC. Dr. Siljander is Fellowship Trained in Sports Medicine and Board Certified in Family Medicine and has been a practicing for more than 15 years. She has been actively involved in the development and implementation of healthcare transformation initiatives, leading clinical integration focusing on quality, access, and efficiency of care delivery to optimize patient care and experience while ensuring care team empowerment and success in the quadruple aim. As a native of Southern California, Dr. Siljander is looking forward to becoming part of the CHMC team and serving our patients and community. 

About Dignity Health - California Hospital Medical Center 
Founded in 1887, Dignity Health California Hospital Medical Center is a 318-bed, acute care, nonprofit hospital located in downtown Los Angeles. The hospital offers a full complement of services including a Level II trauma center, the Los Angeles Center for Women’s Health, obstetrics and pediatric services, and comprehensive cardiac and surgical services. The hospital shares a legacy of humankindness with Dignity Health and is part of CommonSpirit Health, one of the nation’s five largest health care systems. Visit dignityhealth.org/californiahospital for more information.

About California Hospital Medical Center Foundation
California Hospital Medical Center established its foundation in 1985 to raise philanthropic support for building projects, equipment, patient care services and community outreach. The generosity and vision of our donors generate the resources to provide the highest quality medical care to all in need, regardless of their ability to pay. The foundation has dedicated staff and is governed by a Board of Directors that oversees a comprehensive fund development program incorporating special events, private foundation and corporate grants, individual giving and government support— raising more than $20 million per year. For more information visit supportcaliforniahospital.org

Recent News & Stories 

August 20, 2025

A mother's legacy: How Elosie Appel champions education for all

August 14, 2025

Community first: How Jonathan Club mobilizes members for meaningful change

August 5, 2025

Beyond design: How Ramona Quinn crafts community impact

August 4, 2025

CHMC Foundation partners with FreeWill for estate planning resources

July 29, 2025

2024 Hope Street Margolis Family Center Impact Report now available

July 15, 2025

Weeks 2 and 3 of Hope Street’s Summer of Science continues to cultivate scientific wonder

June 24, 2025

Hope Street's Summer of Science: Igniting young minds, one experiment at a time!

June 16, 2025

Marc Girsky, MD: Investing in our community's heart health

May 7, 2025

California Hospital Medical Center receives Health Care Equity Certification from The Joint Commission

April 11, 2025

CHMC Foundation provides $500,000 in funding to support homeless patients 

April 7, 2025

A nurse's legacy continues: Bettye Dacus' tax-efficient giving through her IRA

March 27, 2025

Unwavering faith: A trauma survivor's story for Doctors' Day

March 14, 2025

CHMC Foundation honored at 2025 CommonSpirit Health Philanthropy Education Summit

March 7, 2025

Hope Street Margolis Family Center donor recognized by the City of Beverly Hills

February 14, 2025

Hope for the Holidays raises over $100K, supports 74 families in 2024

February 4, 2025

Intentional Giving: Shianne Hollander's decade of dedication to Hope Street Margolis Family Center

January 13, 2025

Los Angeles Business Journal: New Hospital Tower Opens

January 2, 2025

New Grand Tower at California Hospital Medical Center Opens January 7

News Archive

View past news