Skip to main content
Gemma Ko, MD, Internal Medicine, Pico Rivera, CA, Whittier Hospital Medical Center

GemmaTok HyonKoMD

Internal Medicine • Pico Rivera, CA

Physician

Join to view full profile

Dr. Ko is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

  • Connect with other colleagues in the same hospital or clinic
  • Search all U.S. specialist profiles and refer a patient
  • Read the latest clinical news and earn CME/CEU credits

See Dr. Ko's full profile

Already have an account?

Education & Training

  • University of Hawaii
    University of HawaiiResidency, Internal Medicine, 1987 - 1990
  • University of Hawaii, John A. Burns School of Medicine
    University of Hawaii, John A. Burns School of MedicineClass of 1987

Certifications & Licensure

  • CA State Medical License
    CA State Medical License 1991 - 2025
  • HI State Medical License
    HI State Medical License 1987 - 1994
  • National Board of Physicians and Surgeons Internal Medicine

Awards, Honors, & Recognition

  • Meaningful Use Stage 1 Certification Centers for Medicare & Medicaid Services, 2012

Hospital Affiliations

Dr. Gemma Ko, Dr. Gemma Ko, MD, Dr. G Ko, Dr. Gemma Tok Hyon Ko