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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

Email

info@uunursing.com

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • General Surgery
  • Colorectal Surgery
  • Gastroenterology
  • Cardiology
  • Foot & Ankle Specialists & Surgery
  • Hepatopancreatobiliary (HPB) Surgery
  • Gynecology
  • Pain Management
  • Wound Care
  • Endocrine Surgery
  • ENT
  • Breast Surgery
  • Rheumatology
  • Family Medicine & Gastroenterology (General & Interventional)
  • Urogynecology and Female Pelvic Health
  • Urology
  • Minimally Invasive Gynecologic Surgery
  • Audiology
  • Colorectal Surgery (repeated)

Insurance & Payment

Languages Spoken

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 Review

Synthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 10, 2026.

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