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. If you’re seeking a Yorba Linda location, check the current site for the nearest facility or confirm the exact Yorba Linda office status.
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
- Nancy L. Lucas, CNA - Nurse Anesthetist in Corona, CA — May 14, 2026
- 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.
More general surgery clinics in Yorba Linda
Yorba Linda Oral & Maxillofacial Surgery highlights their team of two surgeons, Dr. Yang and Dr. Choi, who specialize in dental implants, All-on-4/All-on-X full-arch restorations, wisdom teeth removal, bone grafting, and facial trauma. The practice emphasizes precision and safety, using advanced techniques (e.g., Yomi robotic planning) and Botox for TMJ-related relief. The team focuses on patient comfort and seamless care, with friendly staff (Marcie and Stefanie) supporting a calm patient experience. Based in Yorba Linda, CA, and led by experienced surgeons with a commitment to high-quality, compassionate oral surgery.
Summary: - Loma Linda University Health (LLUH) is an academic medical center and nonprofit organization based in Loma Linda, CA, with a large, multi-hospital system (LLUMC and LLUCH) and a Level 1 trauma center serving parts of southern California. - The health system emphasizes education, research, and patient care, with major programs in neonatal care, outpatient surgery, infant heart transplantation, and proton therapy for cancer. - LLUMC operates across multiple campuses (including East Campus and the Behavioral Medicine Center) and supports a large team of physicians and staff (over 2,400 employees; 900+ beds across facilities). - They provide extensive outpatient services and inpatient care, serving hundreds of thousands of patients annually. - For physician access and provider information, the system is associated with a broad network of clinicians and specialists under Loma Linda University Health. Note: The page appears to describe the broader Loma Linda University Health system rather than a specific “Meet Our Doctors & Providers” page for Yorba Linda. If you’re seeking physician profiles for a Yorba Linda location, please confirm the exact page or provide a link for targeted summaries.
Comparing your options?
See other general surgery clinics in Yorba Linda, or search the full directory by insurance, ratings, and more.

