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Our providers

Meet the physicians and advanced practice clinicians serving our patients in Watsonville.

Portrait of Mark Byrne, MD, JD

Mark Byrne, MD, JD

Cardiology / Internal Medicine

Education & training

Northwestern University — B.S., Chemistry, 1983
University of Illinois College of Medicine — M.D., 1989
University of Illinois College of Law — J.D., 1989
University of Michigan Hospitals — Internal Medicine Residency, 1992
Stanford University — Cardiovascular Medicine Fellowship, 1996

Portrait of Francis Bayaca, MD

Francis Bayaca, MD

Family Practice

Education & training

University of California, Irvine — B.S., Biology, 1995
Ross University School of Medicine — M.D., 2001
Wayne State University — Family Practice Residency, 2004

Portrait of Bronwen Peternell, MSN, FNP-BC, RN

Bronwen Peternell, MSN, FNP-BC, RN

Family Medicine

Education & training

Stanford University — B.S., Biology, 2001
University of California, Santa Cruz — Molecular, Cell and Developmental Biology graduate study, 2006–2008
Yale University School of Nursing — M.S., Nursing / Family Nurse Practitioner, 2011