80 Locations in Southern California - United Medical Doctors
General Surgery • Yorba Linda, CA • 80 locations
About
Summary: United Medical Doctors is a Southern California-based independent multi-specialty medical group with 250+ providers, 50+ specialties, and 80+ locations across Southern California. They emphasize coordinated, patient-centered care and have a presence in Murrieta (HQ) with operations also in New Zealand. The organization aims to improve community health and operates as a large network of clinics and hospitals.
Clinic Type
General Surgery (multi-location group)
Address
4244 Riverwalk Pkwy., Ste. 290, Riverside, CA 92505
Phone
Ph: (951) 520-9392
info@uunursing.com
Opening Hours
Not published — contact the clinic to confirm hours.
Services Offered
Insurance & Payment
—
Languages Spoken
—
Social Media
Photos
What Patients Say
Overall sentiment across review platforms: mixed
- Birdeye/Google: 4.6/5 (519 (aggregate across locations))
Patients praise
- High quality of medical care and expertise
- Professional and compassionate providers and staff during appointments
- Efficient office visits
Common complaints
- Difficulty reaching staff for scheduling, referrals, and test results
- Unprofessionalism in the billing department
"Great doctor, great office and great staff! Best doctor I have ever met in all my life."
— Zocdoc Review"Very disappointed in scheduling of referrals, scheduling of recommended tests & ordered prescription. Always get a message when calling... you NEVER get a return call. All the doctors are great when you do get to see one."
— Birdeye Review"I love this doctor group, had the best experience in the office and with my procedure BUT the billing department SUCKS so bad. They are so unprofessional."
— Yelp ReviewSynthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].
In the News
- United Medical Doctors: Your One-Stop-Shop for Healthcare in 2026 - San Diego Magazine — Nov 21, 2025
- Faces of Healthcare 2025: United Medical Doctors - San Diego Magazine — Oct 1, 2025
- UNITED MEDICAL DOCTORS NOTICE OF DATA PRIVACY EVENT - United Medical Doctors — May 29, 2026
- [INSOMNIA] - Ransomware Victim: United Medical Doctors - RedPacket Security — Apr 9, 2026
Information sourced from the clinic's website as of July 10, 2026.
Comparing your options?
See other general surgery clinics in Yorba Linda, or search the full directory by insurance, ratings, and more.