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Find a Provider

At UCR Health, we make it easy to find a provider and get the highest-quality care, right here in your community.

Roberto Castanos, MD

Seal Icon Accepting New Patients Shield Icon Board Certified Telehealth Icon Telehealth Offered
  • Check Icon Psychiatry and Behavioral Sciences
Marker Icon UCR Health – Riverside Downtown (Specialty Care)3390 University Avenue, Suite 115
Riverside, CA 92501
Phone Icon 844-827-8000
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Roopa Viraraghavan, MD

Seal Icon Accepting New Patients Shield Icon Board Certified Telehealth Icon Telehealth Offered
  • Check Icon Pediatric Infectious Diseases
  • Check Icon Pediatrics
Marker Icon UCR Health – Riverside Downtown (Primary Care)3390 University Avenue, Suite 100
Riverside, CA 92501
Phone Icon 844-827-8000
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Samar Nahas, MD, MPH, FRCSC, FACOG

Shield Icon Board Certified Telehealth Icon Telehealth Offered
  • Check Icon Gynecologic Oncology
Marker Icon UCR Health – Riverside South19330 Jesse Lane, Suite 100
Riverside, CA 92508
Phone Icon 844-827-8000
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Tejal Khandhar, DO

Seal Icon Accepting New Patients Shield Icon Board Certified Telehealth Icon Telehealth Offered
  • Check Icon Pediatrics
Marker Icon UCR Health – Riverside South19330 Jesse Lane, Suite 100
Riverside, CA 92508
Phone Icon 844-827-8000
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Tiffany Phon, MD

Seal Icon Accepting New Patients Shield Icon Board Certified Telehealth Icon Telehealth Offered
  • Check Icon Family Medicine
Marker Icon UCR Health – Riverside Downtown (Primary Care)3390 University Avenue, Suite 100
Riverside, CA 92501
Phone Icon 844-827-8000
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Toshia Ann Yamaguchi, MD

Seal Icon Accepting New Patients Shield Icon Board Certified Telehealth Icon Telehealth Offered
  • Check Icon Child and Adolescent Psychiatry
  • Check Icon Psychiatry and Behavioral Sciences
Marker Icon UCR Health – Riverside Downtown (Specialty Care)3390 University Avenue, Suite 115
Riverside, CA 92501
Phone Icon 844-827-8000
View Provider Profile Make an Appointment