# EMERGENCY MEDICINE in Ontario, CA

Source: https://ourhealthnetwork.com/emergency-medicine-physician/ca/ontario

## At a glance

Ontario, CA has 16 emergency medicine providers in our directory, of whom 2 offer telehealth visits. Data sourced from CMS NPI Registry, refreshed monthly.

## Providers

- [Craig Allred, MD](https://ourhealthnetwork.com/doctor/craig-allred-md-1639583818) — Southern California Permanente Medical Group
- [Leigh Avera, DO](https://ourhealthnetwork.com/doctor/leigh-avera-do-1083954390) — Southern California Permanente Medical Group
- [Lisa Chen, MD](https://ourhealthnetwork.com/doctor/lisa-chen-md-1861835928) — Southern California Permanente Medical Group
- [Silas Chiu](https://ourhealthnetwork.com/doctor/silas-chiu-1023370525) — Southern California Permanente Medical Group
- [Jonathan Chock, MD](https://ourhealthnetwork.com/doctor/jonathan-chock-md-1770650624) — Southern California Permanente Medical Group
- [Theresa Hsiao, DO](https://ourhealthnetwork.com/doctor/theresa-hsiao-do-1578943544) — Southern California Permanente Medical Group
- [Timothy Jolis, MD](https://ourhealthnetwork.com/doctor/timothy-jolis-md-1306282421)
- [Wook Kang](https://ourhealthnetwork.com/doctor/wook-kang-1346459831) — Southern California Permanente Medical Group
- [Catherine Kim, MD](https://ourhealthnetwork.com/doctor/catherine-kim-md-1871707133) — Southern California Permanente Medical Group
- [Geoffrey Konye, MD](https://ourhealthnetwork.com/doctor/geoffrey-konye-md-1730504416) — Summit Neurology Inc
- [Vijay Mohan, MD](https://ourhealthnetwork.com/doctor/vijay-mohan-md-1326084682) — Upland-Ontario Medical Clinic Inc
- [L Nelson, MD](https://ourhealthnetwork.com/doctor/l-nelson-md-1407972656)
- [Paul Pham, MD](https://ourhealthnetwork.com/doctor/paul-pham-md-1134168396) — Southern California Permanente Medical Group
- [Robert Rigby](https://ourhealthnetwork.com/doctor/robert-rigby-1831651231) — Southern California Permanente Medical Group
- [Felipe Sanchez](https://ourhealthnetwork.com/doctor/felipe-sanchez-1639302359) — Southern California Permanente Medical Group
- [Michelle Sperry](https://ourhealthnetwork.com/doctor/michelle-sperry-1790911824) — Southern California Permanente Medical Group

## Related

- [All EMERGENCY MEDICINEs in CA](https://ourhealthnetwork.com/emergency-medicine-physician/ca)
- [Find insurance plans that cover EMERGENCY MEDICINEs in CA](https://ourhealthnetwork.com/tools/insurance-matcher?state=CA)
- [Ontario health report](https://ourhealthnetwork.com/health-report/ca)