Leadership Team

Murali-Naidu,-MD-Murali Naidu, MD, FACS, Chief Executive Officer
Doctors Hospital of Manteca, Manteca, California

Dr. Naidu joined Doctors Hospital of Manteca in February 2020 from Managed Care Systems out of Bakersfield, California, where he served as the chief physician executive. He played a pivotal role in supporting the on-boarding of 140,000 members and 750 physicians.

Dr. Naidu previously served as System Chief Clinical Officer at Sentara Healthcare in Norfolk, Virginia, and as Vice President of Perioperative Care for Dignity Health’s 39 hospitals.

Dr. Naidu earned his B.A. in Molecular & Cell Biology from the University of California, Berkeley and his Doctor of Medicine degree from the University of California, Los Angeles School of Medicine. He is a laparoscopic surgeon who practiced for more than ten years prior to his full-time leadership roles.

He has served on the USC Schaeffer Center for Health Policy & Economics Advisory Board in Los Angeles, and the Roundtable on Quality Care for People with Serious Illness at the National Academies of Sciences, Engineering and Medicine in Washington, D.C. He currently serves on the Board of Directors for Blue Skies for Children, a nonprofit childcare education center in Oakland that is committed to providing high-quality support to children and their families.


Beverly-Fick-200-x-250Beverly Fick, Chief Nursing Officer
Doctors Hospital of Manteca, Manteca, California

Beverly Fick joined Doctors Hospital of Manteca in July 2018 from sister hospital Desert Regional Medical Center in Palm Springs where she served as Chief Nursing Officer. She is responsible for all nursing and designated patient care functions within Doctors Hospital of Manteca, and oversees and coordinates the nursing units and their daily operations.

Before joining Tenet Healthcare, Fick served in leadership roles at San Mateo Medical Center, Seton Medical Center in Daly City, Kindred Hospital in San Leandro, and Lakeview Christian Home in Carlsbad, New Mexico. She also served as a clinical flight coordinator for Native American Air Ambulance in Albuquerque, New Mexico, and worked for the World Health Organization in the Peace Corps Liberia in West Africa where she established a mobile healthcare clinic.

Fick earned her B.S. in Nursing from Mankato State University in Minnesota and her master’s degree in administration with a minor in counseling from Webster’s University in Albuquerque, New Mexico.


Gregg-GarrisonGregg Garrison, Chief Financial Officer
Doctors Hospital of Manteca, Emanuel Medical Center, Turlock

He joined DHM in 2021. Prior to joining Emanuel in 2020, Garrison served as CFO for HCA Houston Healthcare West for nearly 11 years, CFO for Spring Branch Medical Center in Houston, Texas, and CFO for Twelve Oaks Medical Center, also in Houston. He’s no stranger to Manteca. Garrison served as CFO of Doctors Hospital of Manteca for two years from 1995-1997.

Garrison earned his Bachelor of Science degree in Business Administration from the University of Central Missouri in Warrensburg, Missouri, as well as his Master of Business Administration degree from the same university. He also completed graduate studies in Health Services Administration at the University of Kansas. Garrison is affiliated with the American Institute of Certified Public Accountants and the Healthcare Financial Management Association.



Preston-Clark-Preston Clark, Chief Strategy Officer,
Doctors Hospital of Manteca, Manteca, California

Preston Clark joined Doctors Hospital of Manteca in January 2019 from The Hospitals of Providence Memorial Campus in El Paso, Texas, where he served as the Director of Strategy. In this role, he oversaw and supported various key strategies designed to facilitate hospital growth and market synergies.In addition, Preston identified gaps in care to help develop services to better serve the area’s patients. Prior to his strategy role, he served as Director of Regional Outreach and Administrative Resident.

Preston earned his Bachelor of Science degree in Recreation Management and Youth Leadership with a Minor in Business Management from Brigham Young University in Provo, Utah. He earned his Master of Science degree in Healthcare Administration from Trinity University in San Antonio, Texas. Preston is also a member of the American College of Healthcare Executives.



Traci-HolzerTraci Holzer, Chief Human Resources Officer
Doctors Hospital of Manteca, Manteca, California

Traci Holzer has served as the Chief Human Resources Officer of Doctors Hospital of Manteca since 2012. In her role, Traci is responsible for Human Resources and Employee Health. Previously, Traci served from 2002 to 2012 as the Assistant Director of Human Resources at Doctors Medical Center of Modesto and Human Resources Manager from 1996 to 2002 at National Health Plans, a Tenet company in Modesto, California.

Traci earned her bachelor’s degree in Business Management from the University of Phoenix.

She has served on the board of directors for Give Every Child a Chance since 2014 and is actively involved with the American Cancer Society’s Relay for Life.

Traci resides in Lathrop, California with her husband of 31 years, Jason. They have two sons who live locally. Traci enjoys weekend getaways and spending time with family.


Dr. Adrian RamosDr. Adrian Ramos, Group Chief Medical Officer
Doctors Hospital of Manteca, Manteca, California

Dr. Adrian Ramos returned to Tenet Healthcare as the Group Chief Medical Officer in November 2020. He brings a wealth of healthcare leadership experience to this role in which he will focus on helping our hospitals optimize quality of care through rigorous outcome measurements and performance improvement processes. He is a highly motivated healthcare executive with comprehensive knowledge in leading healthcare teams. In this role, he oversees Tenet’s Northern California Group, of which Doctors Hospital of Manteca is a member.

Dr. Adrian Ramos comes to us most recently from Long Beach Medical Center in Los Angeles County where he served as CMO.