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Vein, vascular & knee pain care in Ontario

Fellowship-trained vein and vascular specialists serving Ontario and the surrounding Inland Empire. From varicose veins and leg swelling to peripheral artery disease and GAE for knee arthritis, with a free vein screening for every new vein patient.

4.7★ patient rating

238 Google reviews of this office.

New patients seen within a week

Free vein screenings available at this office.

Free on-site parking

In the Ontario Center business park off the I-10, minutes from Ontario International Airport.

Most insurance accepted

Including Medicare, about 98% of procedures are covered.

Empire Vein & Vascular Ontario

3333 Concours St., Bldg 6, Suite 100
Ontario, CA 91764
909-481-3242
Mon–Fri · 8:30 AM – 4:30 PM
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Care available in Ontario

Everything this office treats, delivered by the same fellowship-trained team that cares for patients across all six of our Southern California clinics.

GAE consultations are available at this office. The GAE procedure itself is performed in Rancho Mirage.

What Ontario patients say

4.7
238 Google reviews
Read all reviews on Google
  • “The staff is very nice and friendly, the Dr is very professional and makes you feel comfortable he's also very nice”

    Reviewed on Google

  • “Very patient with all my questions, made sure I was comfortable before during and after my procedure, the nurses and staff were also very kind.”

    Reviewed on Google

  • “Excellent place, very professional service and staff, highly recommended 1000%.”

    Reviewed on GoogleTranslated by Google

  • “My husband was seen by this provider today and our daughter said she really liked her manner. She was very thorough and kind and recommended an appropriate treatment plan. I would highly recommend this center for anyone seeking vein treatment.”

    Reviewed on Google

  • “My scheduled appointment was on time and everyone I came in contact with was so sweet. Brittany, NP was very professional and answered all my questions concerning the proposed procedure. Thank you!”

    Reviewed on Google

  • “Staff, doctors and everyone very professional as well as informative with any questions a person may have.”

    Reviewed on Google

Areas we serve

Patients travel to our Ontario office from across Inland Empire, including:

Ontario Rancho Cucamonga Chino Chino Hills Fontana Upland Montclair

Meet your Ontario vein & vascular doctor

Every patient deserves to be heard, examined carefully, and given real options, never pressure. That’s the standard our team holds at our Ontario office and across every Empire Vein & Vascular clinic.

Dr. Rex C. Manayan

Dr. Rex C. Manayan

Board-Certified General Surgeon • Fellowship-Trained Thoracic Surgery

Sees patients in Ontario

Read Dr. Manayan’s profile
Meet all our doctors

Frequently asked questions

About the Ontario clinic and getting started.

Our Ontario office is at 3333 Concours St., Bldg 6, Suite 100, Ontario, CA 91764. In the Ontario Center business park off the I-10, minutes from Ontario International Airport.

Other nearby offices

Ready to take the first step in Ontario?

Book your free vein screening with our specialists, most insurance accepted, including Medicare. Walk in with pain, walk out with confidence.

Book a Free Screening
or call us directly (800) 827-4267