> > > > Dr. Ernest Casillas, MD
Dr. Ernest Ybarra Casillas MD is a male Family Practitioner, has 33 years of experience and practices in Family Medicine and General Practice.
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Ernest Casillas:

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Specialties & Research

  • He has special expertise in 1 area:
  • Flu (Human Influenza)

Education & Awards

Dr. Casillas graduated from University of California at Davis.


Dr. Casillas has 4 hospital affiliations:

  • Los Angeles County + University of Southern California Medical Center 
  • Monterey Park Hospital 

Accepted Insurance Plans

Dr. Casillas accepts these health insurances in at least one office:

  • Molina Healthcare - 4 plans
  • Anthem Blue Cross - 8 plans
  • Evercare - 1 plan
  • Cigna - 8 plans


  • Spanish

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Additional Information
Where does Dr. Ernest Y. Casillas practice?
Dr. Ernest Casillas practices Family Medicine and General Practice near Los Angeles, CA.
See Los Angeles Family Physicians and Los Angeles General Practitioners.