Robert Pretzlaff, M.D., M.B.A, Has Joined Henry Mayo Newhall Hospital Vice President and Chief Medical Officer.
Dr. Pretzlaff previously held leadership roles in the University of California Davis Health System as well as with the Dignity Health – St. Rose Dominican Hospitals in Henderson, NV. At Dignity, Dr. Pretzlaff was the Regional Chief Medical Officer from 2014 to 2016, and then promoted to Chief Physician Executive of the Nevada Service Area and President of the Dignity Health Medical Group in Nevada. More recently, Pretzlaff served as Chief Medical Officer for Lumeris, a St. Louis-based healthcare consulting firm.
“We are pleased to have Dr. Pretzlaff join our leadership team at Henry Mayo,” said Roger E. Seaver, Henry Mayo’s President and CEO. “He has been successful in building physician engagement; incentivizing physician contracts; improving quality, risk management and peer review processes; and moving his hospitals through The Joint Commission accreditation.”
Born and raised in Michigan, Dr. Pretzlaff received a BA in Philosophy from the Michigan State University with a minor in Chemistry, and an MS degree in Biology from Wayne State University, where he also received his medical degree. His interest in genetics led him to do a residency in Pediatrics at the University of Michigan Medical Center in Ann Arbor, Michigan, and then a fellowship in Critical Care Medicine at Children’s National Medical Center in Washington DC.
“We congratulate Dr. Pretzlaff on his achievements to date and both welcome him and look forward to supporting him as he works to help provide medical leadership for the Santa Clarita Valley,” Seaver added.
ABOUT HENRY MAYO – Henry Mayo Newhall Hospital is a 357-bed not-for-profit acute care hospital serving the Santa Clarita Valley since 1975. The hospital recently opened a new patient tower that includes 90 private patient rooms and a new Center for Women and Newborns, also with all private rooms. Henry Mayo is an Advanced Primary Stroke Center and a STEMI Receiving Center. The hospital features state-of-the-art inpatient facilities, a neonatal intensive care unit, catheterization lab, infusion center, breast center and an outpatient surgery center. Additional services include cardiovascular, trauma, emergency, intensive care, neonatal intensive care, maternity, surgery, nursing, wound care, spine and joint, behavioral health, and acute rehab, as well as cancer, imaging, lab, digestive, respiratory services and physical and occupational therapies. Henry Mayo Newhall Hospital is located at 23845 McBean Parkway, Valencia, CA 91355-2083. For more information, visit www.henrymayo.com or call 661.200.2000.
ADVERTISE WITH US
Tailored to Perfection – SCV Cleaners
In a world where fast fashion and disposable clothing have become the norm, there is still something special about garments that fit perfectly and are cared for with precision. That is exactly what SCV Cleaners has continued to provide for the Santa Clarita...
Healing Through Connection – Roots and Sky Bodywork
In today’s fast-paced world, stress, anxiety, physical pain, and emotional exhaustion have become part of everyday life for many people. Long work hours, nonstop schedules, and constant pressure often leave little time to truly care for ourselves. That is where Will...
Circle of Hope Cancer Support Center June 2026 Calendar
“At Circle of Hope, you are not alone.” For over 20 years of serving the financial, emotional and educational needs of Santa Clarita’s cancer community, we’ve come to understand that practically no message is more welcomed than this. The Wellness Center at...
ABOUT THE MAGAZINE
Santa Clarita Magazine has set a high standard for excellence in advertising for over 36 years. A family owned and operated business, Santa Clarita Magazine has grown with the Santa Clarita Valley since 1990 and become the #1 place to advertise locally.
FOLLOW US
SANTA CLARITA MAGAZINE
PO Box 801570
Valencia Ca 91380
For Advertising information
Call or Text: 1 (661) 294-4444

