Austin H Nguyen, MD
Anesthesiology · Orange
- 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
- 3
Offices
3 locations · Regents of the University of · Alameda Anesthesia Associates Medical Group Inc · Permanente Medical Group Inc
Hospitals listed: Eden Medical Center · Uci Health-Orange. 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. Nguyen’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.
- Eden Medical CenterCastro Valley, CAAcute Care Hospital · Voluntary non-profit - Other · Has an emergency department · Birthing-friendlyPart of Sutter Health, which runs 27 hospitals in 2 statesPatients rate it 3 of 5 · 75% would definitely recommend itOverall rating: 4 of 5 starsBetter than the national rate — Clostridium Difficile (C.Diff): 0.122, Oct 2024 – Sep 2025
- Uci Health-OrangeOrange, CAAcute Care Hospital · Government - Local · Has an emergency department · Birthing-friendlyPart of University of California Health, which runs 12 hospitalsHome of Chao Family Comprehensive Cancer Center, a National Cancer Institute designated comprehensive cancer centrePatients rate it 2 of 5 · 67% would definitely recommend itOverall rating: 4 of 5 starsWorse than the national rate — Perioperative pulmonary embolism or deep vein thrombosis rate: 5.44 (3.82 to 7.06) · 2,934 cases, Jul 2022 – Jun 2024Better than the national rate — Death rate among surgical inpatients with serious treatable complications: 82.98 (46.2 to 119.76) · 170 cases, Jul 2022 – Jun 2024Better than the national rate — Catheter Associated Urinary Tract Infections (ICU + select Wards): 0.422, Oct 2024 – Sep 2025Better than the national rate — Central Line Associated Bloodstream Infection (ICU + select Wards): 0.56, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.547, Oct 2024 – Sep 2025Better than the national rate — MRSA Bacteremia: 0.356, Oct 2024 – Sep 2025Better than the national rate — SSI - Colon Surgery: 0.449, Oct 2024 – Sep 2025Better than the national rate — Ratio of unplanned hospital visits after hospital outpatient surgery: 0.8 (0.6 to 1) · 1,287 cases, Jan 2024 – Dec 2024
See every measure and the patient survey for Eden Medical Center
Behind the star rating — Deaths: 0 better, 7 the same, 0 worse of 7 measures. Safety: 2 better, 5 the same, 0 worse of 7 measures. Readmissions: 0 better, 7 the same, 0 worse of 7 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 | 0.122 | Better | Oct 2024 – Sep 2025 |
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 0.88 (0 to 1.89) · 819 cases | No different | Jul 2022 – Jun 2024 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 0.81 (0.46 to 1.16) | No different | Jul 2022 – Jun 2024 |
| Death rate among surgical inpatients with serious treatable complicationsComplications and deaths | 137.41 (92.94 to 181.88) · 70 cases | No different | Jul 2022 – Jun 2024 |
| Death rate for COPD patientsComplications and deaths | 8.4 · 78 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart attack patientsComplications and deaths | 11.7 · 38 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart failure patientsComplications and deaths | 11.1 · 207 cases | None | Jul 2022 – Jun 2025 |
| Death rate for pneumonia patientsComplications and deaths | 17.6 · 359 cases | None | Jul 2022 – Jun 2025 |
| Death rate for stroke patientsComplications and deaths | 10.5 · 355 cases | None | Jul 2023 – Jun 2025 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 3.4 · 1,714 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.17 (0 to 0.39) · 4,697 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.3 (0.1 to 0.5) · 4,676 cases | No different | Jul 2022 – Jun 2024 |
| Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths | 2.69 (0.53 to 4.85) · 860 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative acute kidney injury requiring dialysis rateComplications and deaths | 1.56 (0 to 3.24) · 251 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative hemorrhage or hematoma rateComplications and deaths | 2.75 (1.17 to 4.32) · 818 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative respiratory failure rateComplications and deaths | 7.76 (0 to 15.78) · 261 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative sepsis rateComplications and deaths | 6.09 (2.08 to 10.1) · 242 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative wound dehiscence rateComplications and deaths | 1.64 (0.16 to 3.12) · 233 cases | No different | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 0.16 (0 to 0.85) · 4,132 cases | No different | Jul 2022 – Jun 2024 |
| Rate of complications for hip/knee replacement patientsComplications and deaths | 3.9 · 60 cases | None | Apr 2023 – Mar 2025 |
| Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections | 0.431 | No different | Oct 2024 – Sep 2025 |
| Central Line Associated Bloodstream Infection (ICU + select Wards)Infections | 0.292 | No different | Oct 2024 – Sep 2025 |
| MRSA BacteremiaInfections | 0.307 | No different | Oct 2024 – Sep 2025 |
| SSI - Colon SurgeryInfections | 0.61 | No different | Oct 2024 – Sep 2025 |
| Heart failure (HF) 30-Day Readmission RateUnplanned return visits | 22.1 · 258 cases | None | Jul 2023 – Jun 2025 |
| Hospital return days for heart failure patientsUnplanned return visits | 22.6 · 225 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for pneumonia patientsUnplanned return visits | 2.4 · 367 cases | None | Jul 2022 – Jun 2025 |
| Pneumonia (PN) 30-Day Readmission RateUnplanned return visits | 16.9 · 390 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission after hip/knee replacementUnplanned return visits | 5.7 · 58 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits | 20 · 88 cases | None | Jul 2023 – Jun 2025 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits | 12.9 (9.6 to 17.4) · 68 cases | No different | Jan 2022 – Dec 2024 |
| Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits | 0.8 (0.6 to 1.1) · 205 cases | No different | Jan 2024 – Dec 2024 |
What patients said (431 patients answered, 17% of those asked)
| Cleanliness | 3 |
| Nurse communication | 2 |
| Doctor communication | 2 |
| Communication about medicines | 2 |
| Discharge information | 3 |
| Overall hospital rating | 3 |
| Quietness | 3 |
| Recommend hospital | 4 |
| Room was "always" clean | 71% |
| Nurses "always" communicated well | 75% |
| Doctors "always" communicated well | 75% |
| Staff "always" explained | 57% |
| Yes, staff "did" give patients this information | 87% |
| Yes, staff "did" give patients information about help after discharge | 86% |
| Doctors "always" explained things so they could understand | 70% |
| Doctors "always" listened carefully | 73% |
| Doctors "always" treated them with courtesy and respect | 82% |
| Patients who gave a rating of "9" or "10" (high) | 70% |
| Staff "always" explained new medications | 70% |
| Nurses "always" explained things so they could understand | 69% |
| Nurses "always" listened carefully | 71% |
| Nurses "always" treated them with courtesy and respect | 83% |
| "Always" quiet at night | 58% |
| "YES", patients would definitely recommend the hospital | 75% |
| Staff "always" explained possible side effects | 43% |
| Yes, staff "did" give patients information about possible symptoms | 87% |
See every measure and the patient survey for Uci Health-Orange
Behind the star rating — Deaths: 3 better, 5 the same, 0 worse of 8 measures. Safety: 4 better, 4 the same, 0 worse of 8 measures. Readmissions: 2 better, 7 the same, 2 worse of 11 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.
| Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths | 5.44 (3.82 to 7.06) · 2,934 cases | Worse | Jul 2022 – Jun 2024 |
| Death rate among surgical inpatients with serious treatable complicationsComplications and deaths | 82.98 (46.2 to 119.76) · 170 cases | Better | Jul 2022 – Jun 2024 |
| Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections | 0.422 | Better | Oct 2024 – Sep 2025 |
| Central Line Associated Bloodstream Infection (ICU + select Wards)Infections | 0.56 | Better | Oct 2024 – Sep 2025 |
| Clostridium Difficile (C.Diff)Infections | 0.547 | Better | Oct 2024 – Sep 2025 |
| MRSA BacteremiaInfections | 0.356 | Better | Oct 2024 – Sep 2025 |
| SSI - Colon SurgeryInfections | 0.449 | Better | Oct 2024 – Sep 2025 |
| Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits | 0.8 (0.6 to 1) · 1,287 cases | Better | Jan 2024 – Dec 2024 |
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 1.06 (0.25 to 1.87) · 2,297 cases | No different | Jul 2022 – Jun 2024 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 0.9 (0.67 to 1.13) | No different | Jul 2022 – Jun 2024 |
| Death rate for CABG surgery patientsComplications and deaths | 3.3 · 60 cases | None | Jul 2022 – Jun 2025 |
| Death rate for COPD patientsComplications and deaths | 7.2 · 59 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart attack patientsComplications and deaths | 12.2 · 104 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart failure patientsComplications and deaths | 10.3 · 331 cases | None | Jul 2022 – Jun 2025 |
| Death rate for pneumonia patientsComplications and deaths | 15.1 · 416 cases | None | Jul 2022 – Jun 2025 |
| Death rate for stroke patientsComplications and deaths | 10.4 · 330 cases | None | Jul 2023 – Jun 2025 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 3 · 4,269 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.14 (0 to 0.33) · 8,263 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.19 (0.01 to 0.37) · 8,703 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative acute kidney injury requiring dialysis rateComplications and deaths | 1.95 (0.57 to 3.32) · 1,647 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative hemorrhage or hematoma rateComplications and deaths | 2.52 (1.33 to 3.71) · 2,756 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative respiratory failure rateComplications and deaths | 7.15 (2.82 to 11.48) · 1,643 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative sepsis rateComplications and deaths | 4.78 (2.24 to 7.33) · 1,680 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative wound dehiscence rateComplications and deaths | 1.98 (0.61 to 3.36) · 871 cases | No different | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 0.28 (0 to 0.77) · 7,232 cases | No different | Jul 2022 – Jun 2024 |
| Rate of complications for hip/knee replacement patientsComplications and deaths | 3.5 · 170 cases | None | Apr 2023 – Mar 2025 |
| SSI - Abdominal HysterectomyInfections | 0.546 | No different | Oct 2024 – Sep 2025 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits | 14.6 · 165 cases | None | Jul 2023 – Jun 2025 |
| Heart failure (HF) 30-Day Readmission RateUnplanned return visits | 20.8 · 556 cases | None | Jul 2023 – Jun 2025 |
| Hospital return days for heart attack patientsUnplanned return visits | 75.5 · 113 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for heart failure patientsUnplanned return visits | 0 · 391 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for pneumonia patientsUnplanned return visits | -4.4 · 436 cases | None | Jul 2022 – Jun 2025 |
| Pneumonia (PN) 30-Day Readmission RateUnplanned return visits | 16.8 · 556 cases | None | Jul 2023 – Jun 2025 |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits | 5.2 (4.1 to 6.6) · 846 cases | No different | Jan 2024 – Dec 2024 |
| Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits | 11.8 (10 to 14) · 846 cases | No different | Jan 2024 – Dec 2024 |
| Rate of readmission after hip/knee replacementUnplanned return visits | 5.8 · 200 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for CABGUnplanned return visits | 12.9 · 64 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits | 21 · 110 cases | None | Jul 2023 – Jun 2025 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits | 10.8 (8.6 to 13.8) · 2,457 cases | No different | Jan 2022 – Dec 2024 |
What patients said (575 patients answered, 16% of those asked)
| Cleanliness | 3 |
| Nurse communication | 2 |
| Doctor communication | 2 |
| Communication about medicines | 2 |
| Discharge information | 3 |
| Overall hospital rating | 3 |
| Quietness | 1 |
| Recommend hospital | 3 |
| Room was "always" clean | 62% |
| Nurses "always" communicated well | 72% |
| Doctors "always" communicated well | 74% |
| Staff "always" explained | 57% |
| Yes, staff "did" give patients this information | 86% |
| Yes, staff "did" give patients information about help after discharge | 86% |
| Doctors "always" explained things so they could understand | 69% |
| Doctors "always" listened carefully | 72% |
| Doctors "always" treated them with courtesy and respect | 81% |
| Patients who gave a rating of "9" or "10" (high) | 65% |
| Staff "always" explained new medications | 69% |
| Nurses "always" explained things so they could understand | 67% |
| Nurses "always" listened carefully | 69% |
| Nurses "always" treated them with courtesy and respect | 80% |
| "Always" quiet at night | 40% |
| "YES", patients would definitely recommend the hospital | 67% |
| Staff "always" explained possible side effects | 45% |
| Yes, staff "did" give patients information about possible symptoms | 87% |
Original Medicare doctor bills
$26,884
Medicare paid this office $26,884 for 131 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Injection of anesthetic agent and/or steroid into other nerve or branch | 15 | $506 | $27 |
| Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | 11 | $493 | $41 |
| Ultrasonic guidance for needle placement | 15 | $420 | $26 |
Who their Medicare patients are
131 Original Medicare patients in 2024. Average age 74 · Under 65 11% · 85 and older 16% · Women 56% · Also on Medicaid 37% · Health risk score 1.76. Above the middle of the specialty; the typical anesthesiology clinician is at 1.54.
Conditions among them: High blood pressure 75% · Diabetes 41% · Chronic kidney disease 35% · Depression 22% · Heart failure 20% · Atrial fibrillation 20% · Coronary heart disease 19% · COPD 18% · Cancer 16% · Stroke 16% · Dementia 12%.
The office billed $190,979, Medicare allowed $33,839 and paid $26,884; for 204 services of 48 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 | 131 | 204 | 74 | 1.76 | $190,979 | $26,884 |
| 2023 | 133 | 252 | 72 | 1.93 | $233,260 | $31,914 |
| 2022 | 64 | 102 | 74 | 1.52 | $108,932 | $17,899 |
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
2023: 4 services
| Anesthesia for other procedure on lower leg, ankle, and foot bones | 11 | $1,784 | $162 |
| Ultrasonic guidance for needle placement | 27 | $720 | $27 |
| Injection of anesthetic agent and/or steroid into other nerve or branch | 16 | $619 | $29 |
| Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | 11 | $356 | $32 |
2022: 1 service
| Ultrasonic guidance for needle placement | 12 | $377 | $27 |
Money from drug and device companies
$23 in 2025
| 2025 | 1 | 1 | None | $23 |
| 2022 | 1 | 1 | None | $33 |
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.
A payment is not proof that care is biased.
| DePuy Synthes Sales | Na | $23 | 1 payment
|
See the published payment
| DePuy Synthes Sales | Meals · 2025-11-22 | Na | $23 |
See earlier years (2022)
2022: $33
| Merz Pharmaceuticals | Xeomin | $33 | 1 payment
|
Checkups this office reported
Medicare did not publish checkup rates for this clinician.
- Medicare’s overall office score
- 71.0 / 100
- Scores the office’s reporting and systems. It is not a grade for how the doctor treats you.
Professional record
- NPI
- 1083109797
- Licence
- CA 3593-8580
- Trained
- Creighton University School of Medicine, 2018
- Group
- Regents of the University of · Alameda Anesthesia Associates Medical Group Inc · Permanente Medical Group Inc
- Gender
- Male
More record details
- Sole proprietor
- Yes
- Taxonomy
- Federal specialty code 207L00000X (207L00000X)
- Mailing address
- 101 the City Dr S, Orange, CA, 92868
- NPI first listed
- 2018-06-25
- NPI last updated
- 2025-03-20
- NPI record certified
- 2025-03-20
This is when the NPI record was last certified, not a medical board exam.