
80 Locations in Southern California - United Medical Doctors
General Surgery • Yorba Linda, CA • 80 locations
About
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
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Languages Spoken
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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 . Own this clinic? Claim or correct this listing.
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