Meet Our Doctors

• Cristina Valdivia, NP – Family Medicine

  

  location

  • Rialto

  Full Bio

• Olga Adan, MD
  Pediatrics

  

  location

  • Rancho Cucamonga

  Full Bio

• Beverly Ahoni, MD
  Pediatrics
  

  

  location

  • Fontana

  Full Bio

• Natasha Alexander, MD
  Internal Medicine
  

  

  location

  • Rialto
  • Yucaipa

  Full Bio

• Carina Buhay, MD
  Internal Medicine
  

  

  location

  • San Bernardino

  Full Bio

• Melanie Dawes, MD
  Internal Medicine
  

  

  location

  • San Bernardino

  Full Bio

• Paul Chen, MD
  Internal Medicine
  

  

  location

  • Fontana

  Full Bio

• Albert DiNicola, MD – Pediatrics

  

  location

  • Fontana

  Full Bio

• Maria Dunton, D.O. – Family Medicine

  

  location

  • Fontana

  Full Bio

• Jesse Guadiz, MD – Family Medicine

  

  location

  • Rialto

  Full Bio

• Amal Ibrahim, MD – Pediatrics

  

  location

  • Rialto

  Full Bio

• Linda Lee, MD – Family Medicine

  

  location

  • Rancho Cucamonga

  Full Bio

• Kofi Adade-Boafo, MD
  Pediatrics
  

  

  location

  • San Bernardino
  • Yucaipa

  Full Bio

• Michelle Lewis, M.D. Family Medicine / Geriatrics

  

  location

  • Yucaipa

  Full Bio

• Nasser T. Liasi, M.D.
  Internal Medicine
  

  

  location

  • Fontana

  Full Bio

• Kevin Liao, DO
  Family Medicine
  

  

  location

  • Fontana

  Full Bio

• Jocelyn McGrath, MD – Pediatrics

  

  location

  • Fontana
  • Rialto

  Full Bio

• J. Duc Nguyen, MD – Internal Medicine

  

  location

  • Fontana

  Full Bio

• Ken Nguyen, DO – Urgent Care

  

  location

  • Rialto

  Full Bio

• Charles Sabbah, MD – Internal Medicine

  

  location

  • Fontana
  • Yucaipa

  Full Bio

• Hiteshi S. Thakker, MD Internal Medicine

  

  location

  • Rialto

  Full Bio

• Huy Cong Truong, MD – Internal Medicine

  

  location

  • San Bernardino

  Full Bio

• Ayad Makar, MD – Urgent Care

  

  location

  • Fontana

  Full Bio

• Moses Nasser, DO – Urgent Care

  

  location

  • Fontana
  • Rialto

  Full Bio

• Michael Dean Conrad, NP – Family Medicine

  

  location

  • Rialto

  Full Bio

• Maria Charo Ortega, FNP-C – Family Medicine

  

  location

  • San Bernardino

  Full Bio

• Tonya Pinkerton, PA-C – UCC /Women’s Health

  

  location

  • San Bernardino

  Full Bio

• Jessica Willemse, F-NP – Family Medicine/UCC

  

  location

  • All Locations

  Full Bio

• Velma Perdue, NP – Family Medicine

  

  location

  • All Locations

  Full Bio

• Luis Salas, NP – Family Medicine | Urgent Care

  

  location

  • All Locations

  Full Bio

• Ana Rubalcaba, PAC – Family / Internal Medicine

  

  location

  • Fontana

  Full Bio

• Erica Scott, AGPCNP-BC – Gerontology/Adults

  

  location

  • Fontana

  Full Bio