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Chief Medical Officer

Executive Vice President

Dr. Porshia Mack

Dr. Porshia Mack, MD, MBA joined TVHC as CMO in June 2017. Dr. Mack is a board-certified pediatrician with a long history of working in Federal Qualified Health Centers. She is committed to the health of diverse low-income and underserved populations and is an advocate for social equity.

Dr. Mack began her career in pediatric medicine at Brookdale University Hospital and Medical Center in Brooklyn, New York. 

As a pediatric Emergency Room attendant, she oversaw pediatric care initiatives and managed Pediatric and Emergency Medicine residents. To this day Dr. Mack continues to serve as a hospitalist and urgent care attendant at UCSF Children’s Hospital in Oakland.

Dr. Mack’s volunteer experience includes medical missions to Guatemala and Colombia. She also volunteered for several years as a reading tutor to elementary children in low-income neighborhoods.

Dr. Mack received her undergraduate training at Stanford University, attended medical school at the University of Kansas, and completed her MBA at the University of San Francisco. Dr. Mack is a member of the American College of Physician Executives, the American Academy of Pediatrics, and the National Medical Association.

Dr. Mack believes Tiburcio Vasquez is a leader in community health and a champion of whole-person care.

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