Surgical Center
United Surgery Center | Irvine
The public record of what AI assistants say about this business — the questions asked, the answers given, the omissions.
Free, no card. You get your fix list: every problem we found on this entry, the written steps to fix each one yourself, and how long each takes.
Strong is 80 or better. Under 40 is weak. Half of surgical centers in the registry score 26–51.
Verified July 18, 2026
What AI says about United.1
We ask the assistants the questions customers actually ask, and record what comes back — quoted verbatim, dated, with the capture kept as evidence.
ChatGPT
Named ✓
Asked “best surgical center in Irvine”
“3.6 United Surgery Center | Irvine Surgery Center of Irvine 3.8 Barranca Surgery Center Expand Use two fingers to move the map © Mapbox Terms© OpenStreetMap United Surgery Center | Irvine 3.6 • Surgical c”
Checked July 18, 2026
Perplexity
Named ✓
Asked “best surgical center in Irvine”
“…Surgery Center 4.8 Hoag Surgery Center Irvine 4.5 Barranca Surgery Center 3.8 Pegasus Surgery Center 4.0 United Surgery Center | Irvine 4.6 California Hernia Specialists: Specialty Care for Hernia Repair 4.8 OC Alliance Surgery Center 4501 Birch St…”
Checked July 18, 2026
Gemini
Not named
Asked “best surgical center in Irvine”
Gemini answered with other businesses. United Surgery Center | Irvine was not mentioned.
Checked July 16, 2026
Named by 2 of 3 assistants as of July 18, 2026.
Reputation
What they’re known for.2
Drawn from live Google search results — the searches this business surfaces for when people look nearby. What its customers say is a separate read, below.
United Surgery Center is primarily known for its surgical procedures, particularly colonoscopies, but faces criticism for front desk service and patient management issues.
What people keep saying.3
Every review this business has, read and distilled — the mood, the consistent praise, and the recurring complaints.
Reviews reflect a mixed experience at United Surgery Center, with some patients appreciating the professionalism of staff like Dr. Brian Lim and nurse Kathy, while others report unprofessional behavior from front desk staff and long wait times. Overall, the atmosphere seems to fluctuate between supportive care and frustrating administrative issues.
Consistently praised
Recurring complaints
The bottom line: The center is noted for its skilled doctors like Dr. Lim and Dr. Chen, but struggles with front desk professionalism and patient management.
The score, explained
Why 51.4
Eight signals make up the AI Score. Weight is how much a signal counts; the score is how this entry measures on it. The same method for every business — never for sale.
Higher than 74% of surgical centers in the registry.
Scanned July 18, 2026
What’s holding this entry back: retrieval grounding and off-property attestation — the signals dragging the score below where the rest of the record sits.
Read the full methodologyStanding
Where the entry ranks.
The facts
Today (Mon) · 7:00 AM – 3:30 PM
- Monday7:00 AM – 3:30 PM
- Tuesday7:00 AM – 3:30 PM
- Wednesday7:00 AM – 3:30 PM
- Thursday7:00 AM – 3:30 PM
- Friday7:00 AM – 3:30 PM
- Saturday7:00 AM – 3:30 PM
- SundayClosed
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Questions
About United Surgery Center | Irvine.
What are the operating hours of United Surgery Center in Irvine?
United Surgery Center operates from Monday to Saturday, 7:00 AM to 3:30 PM, and is closed on Sundays.
Does United Surgery Center require reservations for procedures?
The business does not require reservations for procedures.
What is United Surgery Center known for?
United Surgery Center is known for providing a range of surgical procedures with a focus on patient care and professionalism, as highlighted by patient experiences.
Is there parking available at United Surgery Center?
Yes, there is parking available for patients at United Surgery Center.
What special features does United Surgery Center offer?
The business is noted for its dedicated and caring staff, as well as a well-managed environment that aims to provide a positive experience for patients undergoing procedures.
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What AI says about you today
The answer ChatGPT and Perplexity give when someone asks for the best in your category and city. Named, or left out.
Your fix list
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