PetEmerg Emergency Animal Hospital

12367 Foothill Blvd, Rancho Cucamonga, CA, 91739

24-hour emergency animal hospital for dogs and cats on Foothill Boulevard in Rancho Cucamonga, founded by Dr. Ahmed Elsadany. Walk-ins at any hour with three veterinarians on premises at all times, an ICU, oxygen therapy, an in-house lab, ultrasound with radiologist reports, endoscopy, and round-the-clock surgery from foreign body removal to emergency C-sections. Serves Fontana, Upland, and Victorville; general practices refer after-hours cases here.

Call (909) 922-8007
Open 24 hours today
Emergency care19 servicesDogs, Cats
HoursOpen 24 hours
MondayOpen 24 hours
TuesdayOpen 24 hours
WednesdayOpen 24 hours
ThursdayOpen 24 hours
FridayOpen 24 hours
SaturdayOpen 24 hours
SundayOpen 24 hours
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What they do

19 services, one practice.

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Emergency SurgeryTrauma TreatmentIntestinal BlockageRespiratory DistressInternal Medicine TreatmentNeurological EmergenciesLabor And Delivery Emergency, Including Emergency C-SectionsIntoxicationBlood Transfusions24-Hour Inpatient CareIntensive Care UnitOxygen TherapyIn-House Laboratory With Blood Work, Urinalysis, Blood Gas Analysis, Microscopy, And CytologyFull Abdominal Ultrasound With A Detailed Radiologist ReportTelemetry MonitoringDigital Radiographs Reviewed By A Board-Certified RadiologistEndoscopy, Including Gastric Foreign Body RemovalRhinoscopy

What PetEmerg Emergency Animal Hospital says

In their own words, from petemerg.com, read October 11, 2026.

  • Payment plans or financingPay over time Choose a plan length that fits your needs with 0% APR options
  • SurgeryEmergency Surgery
Before the bill

Pet insurance covers the next thing, not this one.

Anything already going on counts as pre-existing from the day a policy starts. That is why the time to look is before the visit that costs, not after it.

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The team

3 people, one front desk.

AE
Dr. Ahmed ElsadanyFounder, CEO, Veterinarian
AB
Dr. Adel BassuonyVeterinarian
WW
Dr. Wendy WehmeyerVeterinarian
On site

What’s in the building

01Intensive care unit with continuous monitoring
02Oxygen cages, masks, nasal cannulas, and high-flow oxygen
03Latest-generation ultrasound and telemetry
04Surgical suites with electrocautery and anesthesia…
05Three veterinarians on the premises at all times
Who they treat

2 species under this roof

DogsCats
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Compiled from public records and petemerg.com, August 21, 2026. Not affiliated with PawsRx unless claimed, and details change, so confirm anything that matters when you call. Request removal.

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