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Austin H Nguyen, MD

Anesthesiology · Orange

NPI 1083109797

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

Looking this up.

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 it
    Overall 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 it
    Overall 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.

Every scored measure at Eden Medical Center
Clostridium Difficile (C.Diff)Infections0.122BetterOct 2024 – Sep 2025
Abdominopelvic accidental puncture or laceration rateComplications and deaths0.88 (0 to 1.89) · 819 casesNo differentJul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths0.81 (0.46 to 1.16)No differentJul 2022 – Jun 2024
Death rate among surgical inpatients with serious treatable complicationsComplications and deaths137.41 (92.94 to 181.88) · 70 casesNo differentJul 2022 – Jun 2024
Death rate for COPD patientsComplications and deaths8.4 · 78 casesNoneJul 2022 – Jun 2025
Death rate for heart attack patientsComplications and deaths11.7 · 38 casesNoneJul 2022 – Jun 2025
Death rate for heart failure patientsComplications and deaths11.1 · 207 casesNoneJul 2022 – Jun 2025
Death rate for pneumonia patientsComplications and deaths17.6 · 359 casesNoneJul 2022 – Jun 2025
Death rate for stroke patientsComplications and deaths10.5 · 355 casesNoneJul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths3.4 · 1,714 casesNoneJul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths0.17 (0 to 0.39) · 4,697 casesNo differentJul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths0.3 (0.1 to 0.5) · 4,676 casesNo differentJul 2022 – Jun 2024
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths2.69 (0.53 to 4.85) · 860 casesNo differentJul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths1.56 (0 to 3.24) · 251 casesNo differentJul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths2.75 (1.17 to 4.32) · 818 casesNo differentJul 2022 – Jun 2024
Postoperative respiratory failure rateComplications and deaths7.76 (0 to 15.78) · 261 casesNo differentJul 2022 – Jun 2024
Postoperative sepsis rateComplications and deaths6.09 (2.08 to 10.1) · 242 casesNo differentJul 2022 – Jun 2024
Postoperative wound dehiscence rateComplications and deaths1.64 (0.16 to 3.12) · 233 casesNo differentJul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths0.16 (0 to 0.85) · 4,132 casesNo differentJul 2022 – Jun 2024
Rate of complications for hip/knee replacement patientsComplications and deaths3.9 · 60 casesNoneApr 2023 – Mar 2025
Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections0.431No differentOct 2024 – Sep 2025
Central Line Associated Bloodstream Infection (ICU + select Wards)Infections0.292No differentOct 2024 – Sep 2025
MRSA BacteremiaInfections0.307No differentOct 2024 – Sep 2025
SSI - Colon SurgeryInfections0.61No differentOct 2024 – Sep 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits22.1 · 258 casesNoneJul 2023 – Jun 2025
Hospital return days for heart failure patientsUnplanned return visits22.6 · 225 casesNoneJul 2022 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits2.4 · 367 casesNoneJul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits16.9 · 390 casesNoneJul 2023 – Jun 2025
Rate of readmission after hip/knee replacementUnplanned return visits5.7 · 58 casesNoneJul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits20 · 88 casesNoneJul 2023 – Jun 2025
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits12.9 (9.6 to 17.4) · 68 casesNo differentJan 2022 – Dec 2024
Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits0.8 (0.6 to 1.1) · 205 casesNo differentJan 2024 – Dec 2024

What patients said (431 patients answered, 17% of those asked)

Patient survey stars by topic at Eden Medical Center
Cleanliness3
Nurse communication2
Doctor communication2
Communication about medicines2
Discharge information3
Overall hospital rating3
Quietness3
Recommend hospital4
Share of patients giving the best answer at Eden Medical Center
Room was "always" clean71%
Nurses "always" communicated well75%
Doctors "always" communicated well75%
Staff "always" explained57%
Yes, staff "did" give patients this information87%
Yes, staff "did" give patients information about help after discharge86%
Doctors "always" explained things so they could understand70%
Doctors "always" listened carefully73%
Doctors "always" treated them with courtesy and respect82%
Patients who gave a rating of "9" or "10" (high)70%
Staff "always" explained new medications70%
Nurses "always" explained things so they could understand69%
Nurses "always" listened carefully71%
Nurses "always" treated them with courtesy and respect83%
"Always" quiet at night58%
"YES", patients would definitely recommend the hospital75%
Staff "always" explained possible side effects43%
Yes, staff "did" give patients information about possible symptoms87%
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.

Every scored measure at Uci Health-Orange
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths5.44 (3.82 to 7.06) · 2,934 casesWorseJul 2022 – Jun 2024
Death rate among surgical inpatients with serious treatable complicationsComplications and deaths82.98 (46.2 to 119.76) · 170 casesBetterJul 2022 – Jun 2024
Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections0.422BetterOct 2024 – Sep 2025
Central Line Associated Bloodstream Infection (ICU + select Wards)Infections0.56BetterOct 2024 – Sep 2025
Clostridium Difficile (C.Diff)Infections0.547BetterOct 2024 – Sep 2025
MRSA BacteremiaInfections0.356BetterOct 2024 – Sep 2025
SSI - Colon SurgeryInfections0.449BetterOct 2024 – Sep 2025
Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits0.8 (0.6 to 1) · 1,287 casesBetterJan 2024 – Dec 2024
Abdominopelvic accidental puncture or laceration rateComplications and deaths1.06 (0.25 to 1.87) · 2,297 casesNo differentJul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths0.9 (0.67 to 1.13)No differentJul 2022 – Jun 2024
Death rate for CABG surgery patientsComplications and deaths3.3 · 60 casesNoneJul 2022 – Jun 2025
Death rate for COPD patientsComplications and deaths7.2 · 59 casesNoneJul 2022 – Jun 2025
Death rate for heart attack patientsComplications and deaths12.2 · 104 casesNoneJul 2022 – Jun 2025
Death rate for heart failure patientsComplications and deaths10.3 · 331 casesNoneJul 2022 – Jun 2025
Death rate for pneumonia patientsComplications and deaths15.1 · 416 casesNoneJul 2022 – Jun 2025
Death rate for stroke patientsComplications and deaths10.4 · 330 casesNoneJul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths3 · 4,269 casesNoneJul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths0.14 (0 to 0.33) · 8,263 casesNo differentJul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths0.19 (0.01 to 0.37) · 8,703 casesNo differentJul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths1.95 (0.57 to 3.32) · 1,647 casesNo differentJul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths2.52 (1.33 to 3.71) · 2,756 casesNo differentJul 2022 – Jun 2024
Postoperative respiratory failure rateComplications and deaths7.15 (2.82 to 11.48) · 1,643 casesNo differentJul 2022 – Jun 2024
Postoperative sepsis rateComplications and deaths4.78 (2.24 to 7.33) · 1,680 casesNo differentJul 2022 – Jun 2024
Postoperative wound dehiscence rateComplications and deaths1.98 (0.61 to 3.36) · 871 casesNo differentJul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths0.28 (0 to 0.77) · 7,232 casesNo differentJul 2022 – Jun 2024
Rate of complications for hip/knee replacement patientsComplications and deaths3.5 · 170 casesNoneApr 2023 – Mar 2025
SSI - Abdominal HysterectomyInfections0.546No differentOct 2024 – Sep 2025
Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits14.6 · 165 casesNoneJul 2023 – Jun 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits20.8 · 556 casesNoneJul 2023 – Jun 2025
Hospital return days for heart attack patientsUnplanned return visits75.5 · 113 casesNoneJul 2022 – Jun 2025
Hospital return days for heart failure patientsUnplanned return visits0 · 391 casesNoneJul 2022 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits-4.4 · 436 casesNoneJul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits16.8 · 556 casesNoneJul 2023 – Jun 2025
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits5.2 (4.1 to 6.6) · 846 casesNo differentJan 2024 – Dec 2024
Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits11.8 (10 to 14) · 846 casesNo differentJan 2024 – Dec 2024
Rate of readmission after hip/knee replacementUnplanned return visits5.8 · 200 casesNoneJul 2023 – Jun 2025
Rate of readmission for CABGUnplanned return visits12.9 · 64 casesNoneJul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits21 · 110 casesNoneJul 2023 – Jun 2025
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits10.8 (8.6 to 13.8) · 2,457 casesNo differentJan 2022 – Dec 2024

What patients said (575 patients answered, 16% of those asked)

Patient survey stars by topic at Uci Health-Orange
Cleanliness3
Nurse communication2
Doctor communication2
Communication about medicines2
Discharge information3
Overall hospital rating3
Quietness1
Recommend hospital3
Share of patients giving the best answer at Uci Health-Orange
Room was "always" clean62%
Nurses "always" communicated well72%
Doctors "always" communicated well74%
Staff "always" explained57%
Yes, staff "did" give patients this information86%
Yes, staff "did" give patients information about help after discharge86%
Doctors "always" explained things so they could understand69%
Doctors "always" listened carefully72%
Doctors "always" treated them with courtesy and respect81%
Patients who gave a rating of "9" or "10" (high)65%
Staff "always" explained new medications69%
Nurses "always" explained things so they could understand67%
Nurses "always" listened carefully69%
Nurses "always" treated them with courtesy and respect80%
"Always" quiet at night40%
"YES", patients would definitely recommend the hospital67%
Staff "always" explained possible side effects45%
Yes, staff "did" give patients information about possible symptoms87%

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.

Largest Original Medicare bills
Injection of anesthetic agent and/or steroid into other nerve or branch15$506$27
Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)11$493$41
Ultrasonic guidance for needle placement15$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

Original Medicare by year
2024131204741.76$190,979$26,884
2023133252721.93$233,260$31,914
202264102741.52$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

Original Medicare services billed in 2023
Anesthesia for other procedure on lower leg, ankle, and foot bones11$1,784$162
Ultrasonic guidance for needle placement27$720$27
Injection of anesthetic agent and/or steroid into other nerve or branch16$619$29
Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)11$356$32

2022: 1 service

Original Medicare services billed in 2022
Ultrasonic guidance for needle placement12$377$27

Money from drug and device companies

$23 in 2025

Industry payments by year
202511None$23
202211None$33

Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.

A payment is not proof that care is biased.

Payments by company
DePuy Synthes SalesNa$23
1 payment
  • Meals for Na · 2025-11-22 · $23
See the published payment
Every published payment
DePuy Synthes SalesMeals · 2025-11-22Na$23
See earlier years (2022)

2022: $33

Payments by company in 2022
Merz PharmaceuticalsXeomin$33
1 payment
  • Meals for Xeomin · 2022-04-13 · $33

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.