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IRVINE ENDOSCOPY AND SURGICAL INSTITUTE DBA UNITED SURGERY CENTER IRVINE is a Medicare-certified ambulatory surgery center located in IRVINE, CA, offering same-day outpatient surgical procedures. Google rating: 4.7 out of 5 from 68 reviews.

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IRVINE ENDOSCOPY AND SURGICAL INSTITUTE DBA UNITED SURGERY CENTER IRVINE

irvine, CAMedicare Certified

Location & Directions

Address

15825 LAGUNA CANYON RD SUITE 100

IRVINE, CA

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(949) 679-6700

Service Area

This provider serves patients in IRVINE and surrounding areas in CA.

Contact this surgery center for service area details

Note on Service Area

This ambulatory surgery center serves patients in the surrounding area. Contact this surgery center directly to confirm service availability in your specific location.

Procedures Performed

Common outpatient procedures performed at this ambulatory surgery center, based on reported specialties.

Obstetrics & Gynecology6
HysteroscopyA slim camera passed through the cervix examines the inside of the uterus, and can remove polyps or fibroids in the same visit. No abdominal incision is involved. Cramping for a day or two afterward is normal.LaparoscopyA camera and instruments are inserted through small abdominal incisions, allowing diagnosis and treatment without a large open incision. Used for endometriosis, ovarian cysts, and pelvic pain, with recovery measured in days rather than weeks.D&C (Dilation and Curettage)The cervix is dilated and the uterine lining removed, for heavy bleeding, after a miscarriage, or to obtain tissue for diagnosis. The procedure takes 10 to 15 minutes and most people return to normal activity within a day or two.Tubal LigationThe fallopian tubes are sealed, cut, or removed to provide permanent contraception. It should be considered irreversible — reversal is not reliably successful, so it is intended for people certain they do not want future pregnancy.Endometrial AblationThe uterine lining is destroyed to reduce or stop heavy menstrual bleeding, offering an alternative to hysterectomy. It is not a contraceptive, and it is only appropriate for those who have completed childbearing.Ovarian Cyst RemovalA persistent, enlarging, or painful ovarian cyst is removed, usually laparoscopically. Surgeons generally aim to remove the cyst while preserving the ovary itself, particularly for patients who may want future pregnancy.
Plastic & Reconstructive Surgery6
Breast Augmentation / ReductionBreast size is increased by placing implants, or decreased by removing breast tissue and skin and repositioning the remaining tissue. Reduction is often performed to relieve back, neck, and shoulder pain caused by breast weight.RhinoplastySurgery that reshapes the nose by altering the bone and cartilage beneath the skin. It is performed to change appearance, to correct breathing problems caused by internal structure, or both. Swelling takes months to fully resolve.FaceliftLiposuctionFat is suctioned out from beneath the skin through small tubes called cannulas, reshaping a specific area such as the abdomen, flanks, or thighs. It targets localized deposits and is a contouring procedure rather than a method of weight loss.Wound ReconstructionRebuilds skin and underlying tissue where a wound is too large or too damaged to close directly. Surgeons move nearby tissue, or transfer skin and muscle from elsewhere on the body, to cover the defect. Often follows trauma, infection, or cancer removal.Skin GraftingHealthy skin is taken from one area of the body and transplanted to cover a wound or burn elsewhere. Both the graft site and the donor site need care, and the donor site is often the more uncomfortable of the two.
Gastroenterology (GI Surgery)6
ColonoscopyA flexible camera examines the full length of the colon to screen for cancer and remove polyps before they become cancerous. Done under sedation, it typically takes 30 to 60 minutes. The bowel prep the day before is the part most patients find hardest.Upper Endoscopy (EGD)A thin camera passed through the mouth examines the esophagus, stomach, and the first part of the small intestine. Used to investigate persistent heartburn, difficulty swallowing, unexplained bleeding, or abdominal pain. Usually takes 15 to 30 minutes under sedation.Flexible SigmoidoscopyExamines the lower portion of the colon only, rather than its full length. Preparation is lighter than a full colonoscopy and sedation is sometimes unnecessary, but it cannot detect problems higher in the colon.Capsule EndoscopyYou swallow a vitamin-sized camera that photographs the small intestine as it passes through — a region that standard scopes cannot easily reach. There is no sedation and no recovery. The capsule passes naturally, and images are reviewed after the fact.ERCPCombines endoscopy and X-ray imaging to diagnose and treat blockages in the bile and pancreatic ducts, most often gallstones stuck in a duct. Unlike a routine endoscopy, it carries a meaningful risk of pancreatitis afterward, so it is used when treatment is likely rather than for screening alone.Hemorrhoid TreatmentShrinks or removes swollen veins in the rectum and anus using rubber band ligation, injection, or surgical removal depending on severity. Banding is quick and typically requires no anesthesia; surgical removal is more effective for advanced cases but recovery is noticeably more uncomfortable.

Procedure list is based on CMS-reported specialty designations. Contact the facility to confirm specific procedures offered.

Browse all procedures by specialtyCommon questions about outpatient surgery

Patient Experience Data Not Available

This facility does not have published OAS CAHPS survey data. Facilities with fewer than 100 completed surveys are not required to report.

Safety Metrics

Safe Surgery Checklist: 3.9% (natl avg ~97%)

Safe Surgery Checklist

% of surgical patients for whom a safe surgery checklist was used (ASC-9). Higher is better.

3.9%

natl avg ~97%

Hospital Transfer Rate

% of patients transferred to a hospital during or after their procedure (ASC-4). Lower is better.

0.03%

natl avg ~1.0%

Patient Fall Rate

% of patients who experienced a fall resulting in injury. Lower is better.

0.08%

natl avg ~0.1%

Patient Burn Rate

% of patients who experienced a burn during their procedure. Lower is better.

0.00%

natl avg ~0.03%

Wrong Site Surgery Rate

% of cases involving wrong-site, wrong-side, wrong-patient, or wrong-implant surgical events. Lower is better.

0.00%

natl avg ~0.01%

Source: CMS ASC Quality Reporting Program. Data reflects Medicare patient outcomes reported by the facility.

Affiliated Surgeons

Surgeons affiliated with this facility based on NPPES NPI registry data.

KIMBERLY ANNE MERAZ, CRNA

Certified Registered Nurse Anesthetist

View profile →

Surgeon affiliations are sourced from CMS NPPES data and may not reflect current practice arrangements. Contact the facility to confirm.

Preparing for Your Procedure

Guides covering what to expect before, during, and after outpatient surgery.

Colonoscopy Prep: What Actually Matters
The prep is the hard part — here is how to get through it.
Pre-Op Preparation Checklist
What to do in the weeks before your procedure, from two weeks out to the morning of.
What to Expect on Surgery Day
Arrival, check-in, the procedure itself, and discharge.
Understanding Anesthesia at an ASC
Sedation types, who administers it, and how recovery differs.
How Medicare Covers Outpatient Surgery
What Medicare pays at a certified ASC and what you owe.
Why You Get Three Bills After Surgery
Facility, surgeon, and anesthesia bills arrive separately.
Browse all patient resources

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HOAG ENDOSCOPY CENTER IRVINE
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Google Reviews

4.7
68 reviews
Maria P

Maria P

The nurses at United Surgery Center were very professional and friendly. Unfortunately after my colonoscopy I had really bad cramps and my stomach swollen with a lot of pain I ended up twice at the ER it’s been almost a month and I’m still taking medication for constipation . I got no explanation from anyone for the cause of the cramping and swelling for such a longtime, although the pain is getting better my stomach still swollen. The Dr at Kaiser ordered a Scan and I will have it done soon. I hope and pray everything will be fine. I hope other people don’t have the same experience.

Verified Google review
Jenny Bui

Jenny Bui

This was my first colonoscopy and I'm so glad Kaiser referred me to United Surgery Center, Irvine. Dr. Brian Lim and the whole staff were super nice and welcoming, which made me feel really comfortable. Everyone was so kind, patient, and professional, which helped take away a lot of the nerves I had going in. Kathy, my pre-procedure nurse, who did my IV was amazing. I have small veins and it's usually tough, but she got it on the first try. Overall, I had such a positive experience here, and I truly appreciate the care and attention I received. Highly recommend this center and their wonderful team!

Verified Google review
Andrew Lim

Andrew Lim

What a wonderful experience having my procedure done today by the amazing team at United Surgery Center. This place is well managed by a dedicated, passionate and caring team. I was very pleased to have been referred by Kaiser to have my procedure performed at this location.

Verified Google review
Maria Torres

Maria Torres

The nurse was an excellent name. Christina, the wait was terrible. I was told my appointment was at 11:30 a.m. and was said to be there at 11. Upon walking in, the receptionist told me my appointment was at 11:30. I noticed they were overbooked, and my wait was longer. The other receptionist said my appointment was changed to 12 noon, which was false. I was seen at 1. Kaiser referred me, and the N/A was placing my IV. A young girl with no experience poked me in the wrong spot. These girls should have supervision. She seemed young and new. A nurse was called, and it was placed in the correct place. I had a bad experience and I won't return. It was very unprofessional. The doctor was very nice. Christina, that's about it. Stop over booking and new N, A should be supervised when placing IV. Maria Torres my appointment was 4-7-25.

Verified Google review
Shirley

Shirley

Appt delayed 45 minutes in ste241. No communication about it unless I bothered the front receptionist. BUT: the sweetness of the front staff and nurses in pre op annd during procedure and anesthesiologist and the Dr and in surgery room and in waiting area with fine nurses(3). I have to say the apologies from the nurses were heartfelt and sincere and made all the difference to me. Goes a long way. I couldn’t be upset and they made it a wonderful start to a sensitive procedure. Felt spoiled to say the least during the process. Therefore a high 5 all the way. Kindness: goes far you guys. Thank you to the staff of Dr Bryan L. Including the pre phone calls to the reception front desk prior. You guys bring it all the way. I’m grateful , appreciate each of you. Thank you. Shirley.

Verified Google review
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Reviews from Google Places for IRVINE ENDOSCOPY AND SURGICAL INSTITUTE DBA UNITED SURGERY CENTER IRVINE. These are real experiences shared by patients.

Contact

Phone

(949) 679-6700

Website

www.unitedsurg.com/locations/

Years in Operation

22 years

Est. 2004

Ownership

For-Profit

Operating Rooms

3

Specialties

Obstetrics & GynecologyPlastic and Reconstructive SurgeryGastroenterology
Medicare Certified

Verify quality data on the official CMS source:

View on Medicare.gov

Questions to Ask

  • •Does my insurance cover this procedure here?
  • •What is the surgeon's experience with this procedure?
  • •What is the facility's hospital transfer rate?
  • •What anesthesia options are available?
  • •What is the recovery process and follow-up care?
  • •Are there pre-op requirements (labs, fasting, etc.)?