Provider Profiles


Donald Underwood, DO

Education: College of Osteopathic Medicine and Surgery (1974)

Training: College of Osteopathic Medicine of the Pacific Family Practice (1993-1995)

Board Certifications: AOA Family Practice

Languages:  English

Sanaa Ligons, DO

Education: Western University of Osteopathic Medicine, Montclair, California (1997-2002)
Training:    Doctor’s Hospital of Montclair, Montclair, California  (2002-2005)

Board Certifications: AOA Family Medicine

Languages:  English, Limited Spanish


Luis Santana

Education: South University College of Health Professionals (2018)

Training: Memorial Health University Medical Center (2017-2018)

Board Certifications: NCCPA

Languages: English, Spanish

Rohini Thothala Chandrasekar

Education: Barry University (2018)

Training: Barry University (2016-2018)

Board Certifications: NCCPA

Languages: English, Tamil, Telugu

Steven Phillips

Education: Marshall B. Ketchum University School of Physician Assistant Studies (2019)

Training: Cardinal Medical Center (2019-2020)

Board Certifications: NCCPA

Languages: English, Limited Spanish

Christopher Blanchfield

Education: Western University of Health Sciences (2001)

Training: Western University of Health Sciences (2000-2001)

Board Certifications: NCCPA

Languages: English


Keith Fujinaga, Pharmacy Director

Education: Washington State University, College of Pharmacy (2002)

Languages: English

David Duncan, PIC

Education: University of the Pacific (2005)

Languages: English

John Bulgin

Education: University of Southern California, Los Angeles (1974)

Languages: English, Spanish

Bao Nguyen

Education: Pacific University (2008)

Languages: English, Vietnamese


Ly Petrie, DDS

Education: University of Washington School of Dentistry (2012)

Languages: English, German, Vietnamese


Christine Bierdrager- Salley, PsyD Consultant

Education: Alliant International University-Ph.D. (1996)

Alliant International University-M.A.(1990)

North East London Polytechnic-B.Sc. (1987)

Languages: English