Ngoc-Hai Thi Truong, MD
Anesthesiology · Banning
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- Not verified
- Not the same as out of network.
- Offices
- 9
Offices
9 locations · Darin Rentz DO PC · Palm Springs Anesthesia Services PC · Regents of the Univ of CA · Cep America - Anesthesia PC
Looking this up.
Hospitals listed: Riverside Community Hospital · St Mary Medical Center. That is not proof they admit you there this week.
Plan participation
Not verified
We could not verify current plan participation for this doctor. This does not mean they are out of network. Call Dr. Truong’s office to ask if they take your plan before you enroll.
Hospitals they work in
2 hospitals
These rate the hospital, not this clinician. Most measures at most hospitals are no different from the national rate.
- Riverside Community HospitalRiverside, CAAcute Care Hospital · Proprietary · Has an emergency department · Birthing-friendlyPart of HCA Healthcare, which runs 185 hospitals in 19 statesPatients rate it 2 of 5 · 64% would definitely recommend itOverall rating: 2 of 5 starsBetter than the national rate — Death rate among surgical inpatients with serious treatable complications: 124.37 (82.93 to 165.81) · 135 cases, Jul 2022 – Jun 2024Better than the national rate — Clostridium Difficile (C.Diff): 0.559, Oct 2024 – Sep 2025
- St Mary Medical CenterLong Beach, CAAcute Care Hospital · Voluntary non-profit - Church · Has an emergency department · Birthing-friendlyPart of CommonSpirit Health, which runs 145 hospitals in 19 statesPatients rate it 2 of 5 · 62% would definitely recommend itOverall rating: 5 of 5 starsBetter than the national rate — Clostridium Difficile (C.Diff): 0.287, Oct 2024 – Sep 2025
See every measure and the patient survey for Riverside Community Hospital
Behind the star rating — Deaths: 1 better, 7 the same, 0 worse of 8 measures. Safety: 2 better, 5 the same, 0 worse of 7 measures. Readmissions: 0 better, 5 the same, 4 worse of 9 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.
| Death rate among surgical inpatients with serious treatable complicationsComplications and deaths | 124.37 (82.93 to 165.81) · 135 cases | Better | Jul 2022 – Jun 2024 |
| Clostridium Difficile (C.Diff)Infections | 0.559 | Better | Oct 2024 – Sep 2025 |
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 0.79 (0 to 1.74) · 1,132 cases | No different | Jul 2022 – Jun 2024 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 0.98 (0.67 to 1.29) | No different | Jul 2022 – Jun 2024 |
| Death rate for CABG surgery patientsComplications and deaths | 1.9 · 41 cases | None | Jul 2022 – Jun 2025 |
| Death rate for COPD patientsComplications and deaths | 7.6 · 75 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart attack patientsComplications and deaths | 11.7 · 214 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart failure patientsComplications and deaths | 8.1 · 235 cases | None | Jul 2022 – Jun 2025 |
| Death rate for pneumonia patientsComplications and deaths | 11.3 · 427 cases | None | Jul 2022 – Jun 2025 |
| Death rate for stroke patientsComplications and deaths | 11.9 · 762 cases | None | Jul 2023 – Jun 2025 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 3.1 · 5,058 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.19 (0 to 0.39) · 6,915 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.21 (0.02 to 0.4) · 7,117 cases | No different | Jul 2022 – Jun 2024 |
| Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths | 2.95 (0.93 to 4.96) · 1,420 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative acute kidney injury requiring dialysis rateComplications and deaths | 1.93 (0.29 to 3.58) · 393 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative hemorrhage or hematoma rateComplications and deaths | 2.07 (0.63 to 3.51) · 1,441 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative respiratory failure rateComplications and deaths | 12.37 (4.59 to 20.14) · 407 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative sepsis rateComplications and deaths | 7.23 (3.34 to 11.12) · 409 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative wound dehiscence rateComplications and deaths | 1.57 (0.13 to 3.02) · 340 cases | No different | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 0.2 (0 to 0.71) · 6,006 cases | No different | Jul 2022 – Jun 2024 |
| Rate of complications for hip/knee replacement patientsComplications and deaths | 3.8 · 124 cases | None | Apr 2023 – Mar 2025 |
| Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections | 0.649 | No different | Oct 2024 – Sep 2025 |
| Central Line Associated Bloodstream Infection (ICU + select Wards)Infections | 0.896 | No different | Oct 2024 – Sep 2025 |
| MRSA BacteremiaInfections | 1.239 | No different | Oct 2024 – Sep 2025 |
| SSI - Abdominal HysterectomyInfections | 1.391 | No different | Oct 2024 – Sep 2025 |
| SSI - Colon SurgeryInfections | 1.289 | No different | Oct 2024 – Sep 2025 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits | 14.8 · 703 cases | None | Jul 2023 – Jun 2025 |
| Heart failure (HF) 30-Day Readmission RateUnplanned return visits | 22.1 · 717 cases | None | Jul 2023 – Jun 2025 |
| Hospital return days for heart attack patientsUnplanned return visits | 18.3 · 220 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for heart failure patientsUnplanned return visits | 42 · 291 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for pneumonia patientsUnplanned return visits | 50.1 · 457 cases | None | Jul 2022 – Jun 2025 |
| Pneumonia (PN) 30-Day Readmission RateUnplanned return visits | 19.2 · 1,066 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission after hip/knee replacementUnplanned return visits | 6.8 · 102 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for CABGUnplanned return visits | 8 · 171 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits | 19.8 · 145 cases | None | Jul 2023 – Jun 2025 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits | 13.8 (10.3 to 18.5) · 364 cases | No different | Jan 2022 – Dec 2024 |
| Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits | 1.2 (0.9 to 1.7) · 166 cases | No different | Jan 2024 – Dec 2024 |
What patients said (596 patients answered, 16% of those asked)
| Cleanliness | 3 |
| Nurse communication | 2 |
| Doctor communication | 2 |
| Communication about medicines | 2 |
| Discharge information | 2 |
| Overall hospital rating | 2 |
| Quietness | 2 |
| Recommend hospital | 3 |
| Room was "always" clean | 65% |
| Nurses "always" communicated well | 74% |
| Doctors "always" communicated well | 72% |
| Staff "always" explained | 56% |
| Yes, staff "did" give patients this information | 80% |
| Yes, staff "did" give patients information about help after discharge | 77% |
| Doctors "always" explained things so they could understand | 67% |
| Doctors "always" listened carefully | 70% |
| Doctors "always" treated them with courtesy and respect | 80% |
| Patients who gave a rating of "9" or "10" (high) | 63% |
| Staff "always" explained new medications | 71% |
| Nurses "always" explained things so they could understand | 70% |
| Nurses "always" listened carefully | 70% |
| Nurses "always" treated them with courtesy and respect | 80% |
| "Always" quiet at night | 42% |
| "YES", patients would definitely recommend the hospital | 64% |
| Staff "always" explained possible side effects | 42% |
| Yes, staff "did" give patients information about possible symptoms | 82% |
See every measure and the patient survey for St Mary Medical Center
Behind the star rating — Deaths: 0 better, 7 the same, 0 worse of 7 measures. Safety: 2 better, 4 the same, 0 worse of 6 measures. Readmissions: 2 better, 3 the same, 1 worse of 6 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.
| Clostridium Difficile (C.Diff)Infections | 0.287 | Better | Oct 2024 – Sep 2025 |
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 0.96 (0 to 2) · 447 cases | No different | Jul 2022 – Jun 2024 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 1 (0.6 to 1.39) | No different | Jul 2022 – Jun 2024 |
| Death rate among surgical inpatients with serious treatable complicationsComplications and deaths | 157.28 (101.7 to 212.85) · 31 cases | No different | Jul 2022 – Jun 2024 |
| Death rate for COPD patientsComplications and deaths | 6.7 · 53 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart attack patientsComplications and deaths | 11.1 · 89 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart failure patientsComplications and deaths | 8.3 · 104 cases | None | Jul 2022 – Jun 2025 |
| Death rate for pneumonia patientsComplications and deaths | 14.2 · 129 cases | None | Jul 2022 – Jun 2025 |
| Death rate for stroke patientsComplications and deaths | 13.5 · 163 cases | None | Jul 2023 – Jun 2025 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 3.6 · 1,282 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.18 (0 to 0.4) · 2,406 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.25 (0.04 to 0.45) · 2,539 cases | No different | Jul 2022 – Jun 2024 |
| Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths | 4.24 (1.82 to 6.66) · 360 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative acute kidney injury requiring dialysis rateComplications and deaths | 1.65 (0 to 3.37) · 53 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative hemorrhage or hematoma rateComplications and deaths | 2.13 (0.47 to 3.79) · 354 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative respiratory failure rateComplications and deaths | 8.37 (0 to 17.99) · 56 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative sepsis rateComplications and deaths | 5.06 (0.79 to 9.33) · 50 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative wound dehiscence rateComplications and deaths | 1.72 (0.2 to 3.23) · 62 cases | No different | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 0.69 (0 to 1.46) · 2,271 cases | No different | Jul 2022 – Jun 2024 |
| Rate of complications for hip/knee replacement patientsComplications and deaths | 3.6 · 34 cases | None | Apr 2023 – Mar 2025 |
| Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections | 0.676 | No different | Oct 2024 – Sep 2025 |
| Central Line Associated Bloodstream Infection (ICU + select Wards)Infections | 0.303 | No different | Oct 2024 – Sep 2025 |
| MRSA BacteremiaInfections | 0.421 | No different | Oct 2024 – Sep 2025 |
| SSI - Colon SurgeryInfections | 0 | No different | Oct 2024 – Sep 2025 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits | 14.9 · 159 cases | None | Jul 2023 – Jun 2025 |
| Heart failure (HF) 30-Day Readmission RateUnplanned return visits | 19.2 · 269 cases | None | Jul 2023 – Jun 2025 |
| Hospital return days for heart attack patientsUnplanned return visits | 29.9 · 85 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for heart failure patientsUnplanned return visits | -47.9 · 111 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for pneumonia patientsUnplanned return visits | 10.1 · 139 cases | None | Jul 2022 – Jun 2025 |
| Pneumonia (PN) 30-Day Readmission RateUnplanned return visits | 16.6 · 257 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission after hip/knee replacementUnplanned return visits | 6.5 · 36 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for CABGUnplanned return visits | 11.5 · 28 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits | 19.1 · 124 cases | None | Jul 2023 – Jun 2025 |
| Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits | 1 (0.7 to 1.4) · 44 cases | No different | Jan 2024 – Dec 2024 |
What patients said (464 patients answered, 9% of those asked)
| Cleanliness | 3 |
| Nurse communication | 2 |
| Doctor communication | 2 |
| Communication about medicines | 2 |
| Discharge information | 3 |
| Overall hospital rating | 2 |
| Quietness | 2 |
| Recommend hospital | 2 |
| Room was "always" clean | 65% |
| Nurses "always" communicated well | 69% |
| Doctors "always" communicated well | 72% |
| Staff "always" explained | 58% |
| Yes, staff "did" give patients this information | 83% |
| Yes, staff "did" give patients information about help after discharge | 83% |
| Doctors "always" explained things so they could understand | 67% |
| Doctors "always" listened carefully | 71% |
| Doctors "always" treated them with courtesy and respect | 79% |
| Patients who gave a rating of "9" or "10" (high) | 64% |
| Staff "always" explained new medications | 71% |
| Nurses "always" explained things so they could understand | 65% |
| Nurses "always" listened carefully | 65% |
| Nurses "always" treated them with courtesy and respect | 77% |
| "Always" quiet at night | 41% |
| "YES", patients would definitely recommend the hospital | 62% |
| Staff "always" explained possible side effects | 45% |
| Yes, staff "did" give patients information about possible symptoms | 83% |
Original Medicare doctor bills
$12,282
Medicare paid this office $12,282 for 59 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
Who their Medicare patients are
59 Original Medicare patients in 2024. Average age 69 · Women 49% · Also on Medicaid 53% · Health risk score 3.23. Sicker patients than 9 in 10 peers; the typical anesthesiology clinician is at 1.54.
Conditions among them: High blood pressure 75% · Diabetes 56% · Depression 44% · Chronic kidney disease 41% · Stroke 29% · Coronary heart disease 27% · Atrial fibrillation 27% · Dementia 25% · Heart failure 24%.
The office billed $175,197, Medicare allowed $15,887 and paid $12,282; for 65 services of 34 kinds.
Original Medicare patients only. A risk score of 1.0 is the average Medicare patient; higher means sicker. Any count under 11 is hidden.
Year by year
| 2024 | 59 | 65 | 69 | 3.23 | $175,197 | $12,282 |
| 2023 | 64 | 73 | 72 | 3.13 | $229,243 | $15,648 |
| 2022 | 42 | 50 | 70 | 2.39 | $159,541 | $12,307 |
| 2021 | 63 | 69 | 73 | 2.23 | $113,122 | $14,815 |
| 2020 | 19 | 22 | 69 | 2.91 | $88,721 | $5,661 |
| 2019 | 75 | 84 | 71 | 3.53 | $213,997 | $19,217 |
| 2018 | 74 | 77 | 73 | 2.32 | $104,355 | $14,865 |
| 2017 | 39 | 41 | 71 | 4.25 | $57,850 | $9,009 |
| 2016 | 52 | 57 | 72 | 3.21 | $68,420 | $10,591 |
| 2015 | 28 | 29 | 72 | 3.39 | $44,660 | $7,277 |
Original Medicare only. A service billed for fewer than 11 people in a year is hidden, so the lines can add up to less than the year's total.
See the services billed each year
2018: 1 service
| Anesthesia for retinal surgery | 19 | $3,548 | $177 |
Money from drug and device companies
$48 in 2019
A payment is not proof that care is biased.
| Mallinckrodt Enterprises | Ofirmev | $33 | 1 payment
|
| Merck Sharp & Dohme | Bridion | $15 | 1 payment
|
See all 2 published payments
| Mallinckrodt Enterprises | Meals · 2019-03-27 | Ofirmev | $33 |
| Merck Sharp & Dohme | Meals · 2019-02-11 | Bridion | $15 |
Checkups this office reported
Medicare did not publish checkup rates for this clinician.
- Medicare’s overall office score
- 95.0 / 100
- Scores the office’s reporting and systems. It is not a grade for how the doctor treats you.
Professional record
- NPI
- 1952518425
- Licence
- CA G065597
- Group
- Darin Rentz DO PC · Palm Springs Anesthesia Services PC · Regents of the Univ of CA · Cep America - Anesthesia PC
- Gender
- Female
More record details
- Sole proprietor
- Yes
- Taxonomy
- Federal specialty code 207L00000X (207L00000X)
- Mailing address
- Po Box 2757, Orange, CA, 92859
- NPI first listed
- 2007-05-16
- NPI last updated
- 2025-12-29
- NPI record certified
- 2025-12-29
This is when the NPI record was last certified, not a medical board exam.