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  • Emergency Medicine, Family Medicine
  • 38 years of experience
  • San Antonio Regional Hospital 999 San Bernardino Rd, Upland, CA 91786

Brief Intro

Dr. Ernst graduated from the University of California Irvine College of Medicine in 1987. He works in Upland, CA and specializes in Emergency Medicine and Family Medicine. Dr. Ernst is affiliated with San Antonio Regional Hospital.

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Education Background

RESIDENCY

Arrowhead Regional Medical Center

MEDICAL SCHOOL

University Of California Irvine College Of Medicine - 1987

Languages Spoken

  • English

Location & Hours

  • San Antonio Regional Hospital
  • 999 San Bernardino Rd, Upland, CA 91786

Specialties Treated

  • Emergency Medicine
  • Family Medicine

Insurance Accepted

* Insurance information may change frequently. Please verify directly with the provider (doctor/clinic).

  • Health Net
  • Western Health Advantage
  • GEHA
  • Tricare
  • CenCal Health
  • Cigna
  • Ambetter
  • CalOptima
  • Easy Choice Health Plan
  • Wellcare
  • Medicaid
  • Sharp Health Plan
  • Brand New Day
  • Health Alliance
  • Peoples Health
  • Imperial Health Plan of California
  • Magellan Health
  • HealthFirst (NY)
  • Commonwealth Care Alliance
  • Priority Health
  • Blue Cross Blue Shield of Arizona
  • Central California Alliance for Health
  • Alignment Health Plan
  • Blue Cross Blue Shield of North Carolina
  • Optum Health
  • Blue Cross Blue Shield of Illinois
  • Florida Blue: Blue Cross Blue Shield of Florida
  • AltaMed Senior BuenaCare (PACE)
  • Aetna
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  • Cancer 86
  • Cardiology, Heart & Vascular Surgery 79
  • Orthopedics 161
  • Neurology & Neurosurgery 120
  • Gastroenterology & GI Surgery 149
  • Pulmonology & Lung Surgery 161
  • Diabetes & Endocrinology 65
  • Children's Hospital 18
  • Urology 149
  • Psychiatry 91
  • Geriatrics 143
  • Rehabilitation 73
  • Obsterics & Gynecology 23
  • Ophthalmology 8
  • Ear, Nose & Throat 10
  • Rheumatology 4
  • Long Term Care 19
  • Maternity Care (Uncomplicated Pregnancy) 99