Best Emergency Medicine Physician in Ontario
Looking for an emergency medicine physician in Ontario? Most patients narrow the list by insurance first, then by location and reviews. 15+ verified emergency medicine physician appear below.
15 emergency medicine physician in Ontario


Nagasamudra S Ashok MD Inc.
4.5Nagasamudra S Ashok MD Inc. · Emergency Medicine Physician
1520 N Mountain Ave Bldg F(909) 949-9299

Saint Alphonsus Medical Center- Ontario Inc.
4.5Saint Alphonsus Medical Center- Ontario Inc. · Emergency Medicine Physician
351 SW 9Th St(541) 881-7000
Holy Rosary Medical Center
4.5Holy Rosary Medical Center · Emergency Medicine Physician
351 SW 9Th St(541) 881-7000
Ontario Emergency Specialists, LLC
4.5Ontario Emergency Specialists, LLC · Emergency Medicine Physician
351 SW 9Th St(541) 881-7000

Sharon Naomi Dabby, MD
4.5Sharon Naomi Dabby · Emergency Medicine Physician
3045 S Archibald Ave(424) 354-4991

Jeffrey F Phillips, MD
4.5Jeffrey F Phillips · Emergency Medicine Physician
351 SW 9Th St(541) 881-7000
Monument Emergency Physicians, LLC
4.5Monument Emergency Physicians, LLC · Emergency Medicine Physician
351 SW 9Th St(469) 401-2386

Jason M Wilhelmsen, MD
4.5Jason M Wilhelmsen · Emergency Medicine Physician
351 SW 9Th St(541) 881-7000
Jay Emergency Physicians LLC
4.5Jay Emergency Physicians LLC · Emergency Medicine Physician
351 SW 9Th St(541) 523-6461
Joyce Marie Mitchell, MD
4.5Joyce Marie Mitchell · Emergency Medicine Physician
1750 W 4Th St(419) 526-8955
Emergency Medicine Physician in Ontario by insurance
These providers list this insurance as accepted, but coverage should be confirmed directly with the provider before booking.
Emergency Medicine Physician in nearby cities
Same specialty in cities near Ontario — useful if your insurance network extends across the metro.
About finding an emergency medicine physician in Ontario
Ontario has emergency medicine physician practicing across hospital systems, group practices, and independent clinics. When choosing an emergency medicine physician in Ontario, the three factors most patients care about are: insurance acceptance, distance from home or work, and patient reviews. Heallexa shows all three on every listing so you can compare without clicking back and forth.
Many Ontario emergency medicine physician list major insurance plans including Blue Cross Blue Shield, Aetna, UnitedHealthcare, Cigna, Humana, and Medicare. Listings reflect what providers have indicated they accept — always confirm in-network status directly with the office before booking. Out-of-network visits can cost 3–5× more than in-network ones.
Common questions about emergency medicine physician in Ontario
How do I find the highest-rated emergency medicine physician in Ontario?+
Sort the list above by rating. Heallexa surfaces verified patient reviews alongside credentials so you can see whether a provider's strengths match what you actually need.
What if no Ontario emergency medicine physician accept my insurance?+
Try the surrounding metro — insurance networks often extend across multiple cities. The nearby-cities links below open the same specialty in adjacent markets. Always confirm coverage directly with the provider.
Are walk-in visits available with Ontario emergency medicine physician?+
Walk-ins are uncommon for most emergency medicine physician. The "available today" filter shows providers with open same-day slots.
How often is this Ontario list updated?+
Heallexa refreshes provider data from public NPI records and license databases on a rolling basis. Listings that fall out of the active registry are removed automatically.