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Urgent Care in West Covina & Santa Clarita, CA

The Doctors and Professional Team of Nurse Practitioners and Physician Assistants at SmartClinic Serve Children, Seniors and Adults 7 Days a Week. Dr. Andy Hsu MD, and Dr. John Leung, MD Are Committed to Providing Exceptional Patient Care at Our 2 Locations Near You in West Covina & Santa Clarita, CA.

We take pride in our care and thank you for choosing us.

At SmartClinic Urgent Care we provide urgent medical care on a walk-in basis. SmartClinic provides compassionate medical care to patients of all ages and from all backgrounds. We have medical providers you can trust, and you will be charged only for the tests and studies you need.

We use the latest technologies, including digital x-ray and paperless electronic medical records, and combine it with traditional, compassionate and personal attention. We work together to make SmartClinic Urgent Care the go-to treatment center of choice for Santa Clarita, West Covina and the surrounding communities.

SmartClinic Urgent Care is certified by the Urgent Care Association of America (UCAOA). It was one of the first certified urgent care centers in the state of California. It is also one of only a handful of certified urgent care centers in Los Angeles County.

SmartClinic Urgent Care works with self-pay individuals, PPOs, HMOs, and IPAs and accepts referrals from overscheduled area physicians. Please contact your insurance carrier or come by to verify coverage.

If you have a life-threatening emergency or illness, call 911 or go to your nearest hospital emergency department immediately.

If you have a non-emergent medical problem, SmartClinic Urgent Care is the place for you.

We diagnose and treat the following and more at SmartClinic:

  • Cough/Cold
  • Flu
  • Ear infection
  • Laceration
  • Abrasion
  • Sprain
  • Uncomplicated fracture
  • School/Sports Physicals
  • Strain/Sprain
  • Burn
  • Travel immunization
  • Animal/Insect Bite
  • Skin Infection
  • Asthma
  • Headaches/Migraine
  • Vaginal/Urinary Tract Infection
  • Bronchitis
  • Pneumonia
  • Diarrhea/Vomiting
  • Sports Injury

At SmartClinic Urgent Care you have doctors, nurse practitioners and physician assistants you can trust, providing compassionate medical care at an affordable price. We take pride in our medical care and thank you for making the SmartClinic choice.


SmartClinic Urgent Care & Walk-In Clinic in Santa Clarita and West Covina, CA has an excellent staff of physicians, nurse practitioners, physician assistants, technicians, and medical assistants.



Completed medical school at Boston University and trained in Emergency…



Attended medical school at Brown University. After training as an Emergency Medicine…

Patient Reviews & Feedback

Urgent cares are never fun and fast but this one is by far the best one I have ever been too. The office staff is nice and…

Urgent Care West Covina & Santa Clarita CA

Adria S. – West Covina, CA

My doctor was so wonderful. I just moved out to Cali from Iowa and have been getting sick on and off due to a terrible rat…

Urgent Care West Covina & Santa Clarita CA

Karin K – Santa Clarita, CA

When my little boy have some fever and cough at Sunday.I bring him to the Smart Clinic and the doctor was so nice and very…

Urgent Care West Covina & Santa Clarita CA

Nicole L. – West Covina, CA