• Primary Care
  • Preventive Health Care
  • Acute Illness and Injuries
  • Chronic Condition Maintenance
  • Radiology (x-ray) on-site
  • Annual Physicals and Wellness Visits
  • Occupational Medicine 
  • Medications available (VendRx)
  • Anti-Aging Medical Care
  • Pre-Operative Clearance

Call (949) 305-0110 or book online!

Walk-ins are always welcome!

We are now offering a $10 sports and camp physicals for students.  A parent must be present. Offer valid any day on walk-in basis.   Read More

Meet the Family Practice Doctors in Mission Viejo 

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Skip the long lines at the pharmacy, VendRx dispenses most prescriptions in 90 seconds!

Book an appointment with Ross Legacy Medical Group using SetMore

We accept most insurance plans including Medicare. We are also Primary Care Physicians with Monarch Healthcare and MHAP.

Dr. Gebhard has been our family's doctor for over ten years! We started with him in Ladera Ranch and have followed him to his new office in Mission Viejo. He takes his time, sits with you and actually listens, not like those other doctors who just type on their computer and rush out the door... He is truly one of the best!  

- Emily, Ladera Ranch CA

Our Services

Book an appointment with Ross Legacy Medical Group using SetMore

Call Us:  (949) 305-0110

Ross Legacy Medical Group in Mission Viejo is a group of family practice and internal medicine doctors and urgent care.  We believe in personalized care based on your health concerns. 

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Book an appointment with Ross Legacy Medical Group using SetMore


Practice News

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Ross Legacy Medical Group

26922 Oso Parkway, Ste 380

Mission Viejo, CA 92691 US

(Oso Medical Plaza)

(949) 305-0110

Office Hours

Mon - Fri: 8:00 am - 8:00 pm

Sat / Sun: 9:00 am - 5:00 pm

Holidays: 10:00 am - 4:00 pm

APRIL is Alcohol Awareness Month. Are you or a loved one  struggling with an addiction?  Dr. Karl can help....