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John Hieu Duc Nguyen, MD

Otolaryngology · Mountain View

NPI 1588712525

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
2
2 carriers
Offices
4

Offices

4 locations · Sutter Bay Medical Foundation · 3,783 clinicians in this group

Looking this up.

Hospitals listed: El Camino Health. That is not proof they admit you there this week.

Plans that list them

2 plans · 2 carriers

A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Nguyen’s office to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.

2 of 2 plans

Plans whose provider directory lists this clinician
Alignment Health Sutter Advantage +More (HMO)Alignment Health PlanListedOct 3, 2026
DualConnect (HMO D-SNP)Santa Clara Family Health PlanListedSep 1, 2026

California Medical Board record

Licence A91564 · Current

Licensed to practise in California · since 2005 · expires 2026-11-30 · University of California, Irvine College of Medicine.

No disciplinary actions, convictions, malpractice judgments or citations in this record.

Hospitals they work in

1 hospital

These rate the hospital, not this clinician. Most measures at most hospitals are no different from the national rate.

  • El Camino HealthMountain View, CAAcute Care Hospital · Government - Hospital District or Authority · Has an emergency department · Birthing-friendlyPart of El Camino Health, which runs 2 hospitalsPatients rate it 4 of 5 · 80% would definitely recommend it
    Overall rating: 4 of 5 starsBetter than the national rate — Central Line Associated Bloodstream Infection (ICU + select Wards): 0.291, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.393, Oct 2024 – Sep 2025Better than the national rate — MRSA Bacteremia: 0, Oct 2024 – Sep 2025
See every measure and the patient survey for El Camino Health

Behind the star rating — Deaths: 3 better, 5 the same, 0 worse of 8 measures. Safety: 3 better, 5 the same, 0 worse of 8 measures. Readmissions: 1 better, 9 the same, 1 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 El Camino Health
Central Line Associated Bloodstream Infection (ICU + select Wards)Infections0.291BetterOct 2024 – Sep 2025
Clostridium Difficile (C.Diff)Infections0.393BetterOct 2024 – Sep 2025
MRSA BacteremiaInfections0BetterOct 2024 – Sep 2025
Abdominopelvic accidental puncture or laceration rateComplications and deaths0.96 (0.12 to 1.79) · 2,340 casesNo differentJul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths1.02 (0.76 to 1.28)No differentJul 2022 – Jun 2024
Death rate among surgical inpatients with serious treatable complicationsComplications and deaths167.38 (125.03 to 209.73) · 96 casesNo differentJul 2022 – Jun 2024
Death rate for CABG surgery patientsComplications and deaths2.6 · 68 casesNoneJul 2022 – Jun 2025
Death rate for COPD patientsComplications and deaths7.1 · 185 casesNoneJul 2022 – Jun 2025
Death rate for heart attack patientsComplications and deaths11.8 · 200 casesNoneJul 2022 – Jun 2025
Death rate for heart failure patientsComplications and deaths8.9 · 814 casesNoneJul 2022 – Jun 2025
Death rate for pneumonia patientsComplications and deaths13 · 842 casesNoneJul 2022 – Jun 2025
Death rate for stroke patientsComplications and deaths9.6 · 361 casesNoneJul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths2.6 · 4,633 casesNoneJul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths0.16 (0 to 0.34) · 11,474 casesNo differentJul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths0.27 (0.1 to 0.45) · 11,626 casesNo differentJul 2022 – Jun 2024
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths3.14 (1.39 to 4.9) · 2,814 casesNo differentJul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths2 (0.61 to 3.39) · 1,327 casesNo differentJul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths2.11 (0.8 to 3.43) · 2,641 casesNo differentJul 2022 – Jun 2024
Postoperative respiratory failure rateComplications and deaths9.39 (4.18 to 14.6) · 1,287 casesNo differentJul 2022 – Jun 2024
Postoperative sepsis rateComplications and deaths6.57 (3.47 to 9.68) · 1,308 casesNo differentJul 2022 – Jun 2024
Postoperative wound dehiscence rateComplications and deaths2.14 (0.71 to 3.57) · 827 casesNo differentJul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths0.6 (0.05 to 1.15) · 9,460 casesNo differentJul 2022 – Jun 2024
Rate of complications for hip/knee replacement patientsComplications and deaths4.5 · 122 casesNoneApr 2023 – Mar 2025
Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections0.993No differentOct 2024 – Sep 2025
SSI - Abdominal HysterectomyInfections0.706No differentOct 2024 – Sep 2025
SSI - Colon SurgeryInfections1.376No differentOct 2024 – Sep 2025
Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits15.5 · 218 casesNoneJul 2023 – Jun 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits19.5 · 962 casesNoneJul 2023 – Jun 2025
Hospital return days for heart attack patientsUnplanned return visits3.8 · 200 casesNoneJul 2022 – Jun 2025
Hospital return days for heart failure patientsUnplanned return visits-17 · 922 casesNoneJul 2022 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits18.6 · 860 casesNoneJul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits18.7 · 827 casesNoneJul 2023 – Jun 2025
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits6.1 (4.5 to 8.2) · 313 casesNo differentJan 2024 – Dec 2024
Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits13.4 (10.6 to 16.5) · 313 casesNo differentJan 2024 – Dec 2024
Rate of readmission after hip/knee replacementUnplanned return visits6.1 · 144 casesNoneJul 2023 – Jun 2025
Rate of readmission for CABGUnplanned return visits10.3 · 80 casesNoneJul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits20.7 · 237 casesNoneJul 2023 – Jun 2025
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits12.8 (10 to 16.1) · 1,639 casesNo differentJan 2022 – Dec 2024
Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits0.9 (0.8 to 1.1) · 1,619 casesNo differentJan 2024 – Dec 2024

What patients said (1,535 patients answered, 22% of those asked)

Patient survey stars by topic at El Camino Health
Cleanliness4
Nurse communication4
Doctor communication4
Communication about medicines3
Discharge information3
Overall hospital rating4
Quietness2
Recommend hospital5
Share of patients giving the best answer at El Camino Health
Room was "always" clean75%
Nurses "always" communicated well79%
Doctors "always" communicated well81%
Staff "always" explained61%
Yes, staff "did" give patients this information86%
Yes, staff "did" give patients information about help after discharge86%
Doctors "always" explained things so they could understand76%
Doctors "always" listened carefully80%
Doctors "always" treated them with courtesy and respect87%
Patients who gave a rating of "9" or "10" (high)76%
Staff "always" explained new medications76%
Nurses "always" explained things so they could understand75%
Nurses "always" listened carefully76%
Nurses "always" treated them with courtesy and respect87%
"Always" quiet at night47%
"YES", patients would definitely recommend the hospital80%
Staff "always" explained possible side effects46%
Yes, staff "did" give patients information about possible symptoms86%

Original Medicare doctor bills

$102,121

Medicare paid this office $102,121 for 321 people.

This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.

Largest Original Medicare bills
Removal or exploration of parathyroid glands21$18,102$862
Short return visit (20+ min)126$13,371$77
Return visit (30+ min)92$12,101$114
Diagnostic exam of voice box using a flexible endoscope78$11,156$130
New patient visit (30+ min)75$7,285$97
See all 11 services
Every Original Medicare service billed
Removal or exploration of parathyroid glands21$18,102$862
Short return visit (20+ min)126$13,371$77
Return visit (30+ min)92$12,101$114
Diagnostic exam of voice box using a flexible endoscope78$11,156$130
New patient visit (30+ min)75$7,285$97
Removal of impacted ear wax105$5,472$38
New patient visit (45+ min)36$5,339$148
Diagnostic exam of nasal passages using an endoscope22$5,141$190
New patient visit (60+ min)13$2,570$198
Simple control of nose bleed14$2,264$151
Short return visit29$2,248$51

Who their Medicare patients are

321 Original Medicare patients in 2024. Average age 77 · Under 65 4% · 85 and older 18% · Women 59% · Also on Medicaid 14% · Health risk score 1.11. At or below the middle of the specialty; the typical otolaryngology clinician is at 1.19.

Conditions among them: High blood pressure 69% · Coronary heart disease 22% · Chronic kidney disease 22% · Atrial fibrillation 21% · Diabetes 20% · Depression 16% · Cancer 14% · Heart failure 11% · COPD 10% · Stroke 7% · Dementia 4%.

The office billed $423,995, Medicare allowed $135,537 and paid $102,121; for 830 services of 43 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
2024321830771.11$423,995$102,121
2023297780760.87$426,656$104,984
2022348853761.05$379,669$98,922
2021368927761.01$412,585$110,441
2020283615761.07$230,939$59,673
2019315728751.08$322,554$76,635
2018361788761.32$317,442$79,258
2017343807761.10$305,067$76,589
2016350825751.05$280,986$72,753
2015354842761.07$259,786$76,102
2014292664771.23$233,794$60,998
2013321700761.23$222,375$57,871

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: 10 services

Original Medicare services billed in 2023
Removal or exploration of parathyroid glands23$19,642$854
Diagnostic exam of voice box using a flexible endoscope83$11,454$133
Return visit (30+ min)83$10,344$108
Short return visit (20+ min)94$9,954$79
New patient visit (30+ min)70$6,937$99
New patient visit (45+ min)47$6,388$136
Diagnostic exam of nasal passages using an endoscope19$5,846$195
Removal of impacted ear wax93$5,496$41
Short return visit31$2,611$48
New patient visit (60+ min)11$2,330$212

2022: 12 services

Original Medicare services billed in 2022
Removal or exploration of parathyroid glands19$15,972$841
Diagnostic exam of voice box using a flexible endoscope87$12,087$131
Short return visit (20+ min)107$11,629$81
Return visit (30+ min)71$8,841$109
New patient visit (30+ min)92$8,387$91
Removal of impacted ear wax109$5,542$38
New patient visit (45+ min)37$5,246$142
Diagnostic exam of nasal passages using an endoscope17$5,161$199
Long return visit (40+ min)26$4,891$169
New patient visit (60+ min)19$3,296$173
Short return visit46$3,155$51
Exam of ear using a microscope12$329$21

2021: 14 services

Original Medicare services billed in 2021
Removal or exploration of parathyroid glands17$15,908$884
Short return visit (20+ min)120$12,279$79
Diagnostic exam of voice box using a flexible endoscope83$11,726$135
Return visit (30+ min)70$9,753$115
New patient visit (30+ min)98$9,686$99
New patient visit (45+ min)47$7,125$152
Removal of impacted ear wax124$6,805$40
Long return visit (40+ min)29$5,227$169
Diagnostic exam of nasal passages using an endoscope17$4,382$209
New patient visit (60+ min)21$4,184$199
Simple control of nose bleed19$3,588$163
Short return visit39$2,695$53
New patient visit (15+ min)13$800$62
Repositioning exercises of head for treatment of dizziness, each day12$599$43

2020: 7 services

Original Medicare services billed in 2020
New patient visit (30+ min)114$10,445$92
Short return visit (20+ min)101$8,804$65
Diagnostic exam of voice box using a flexible endoscope59$8,081$124
Removal of impacted ear wax101$4,791$39
Return visit (30+ min)38$3,840$94
Short return visit18$915$42
New patient visit (15+ min)11$679$62

2019: 10 services

Original Medicare services billed in 2019
Short return visit (20+ min)137$11,967$66
New patient visit (30+ min)110$9,630$88
Removal or exploration of parathyroid glands11$9,448$859
Diagnostic exam of voice box using a flexible endoscope71$8,944$115
Removal of impacted ear wax99$5,135$39
Return visit (30+ min)51$4,893$91
Diagnostic exam of nasal passages using an endoscope18$3,526$196
New patient visit (45+ min)12$1,609$134
Short return visit16$674$37
Exam of ear using a microscope11$330$30

2018: 9 services

Original Medicare services billed in 2018
New patient visit (30+ min)150$13,388$89
Short return visit (20+ min)114$11,414$64
Diagnostic exam of voice box using a flexible endoscope72$9,313$107
Removal or exploration of parathyroid glands11$8,527$775
Removal of impacted ear wax112$5,540$41
Return visit (30+ min)54$5,363$89
New patient visit (45+ min)16$2,191$137
Short return visit19$895$41
New patient visit (15+ min)11$789$72

2017: 10 services

Original Medicare services billed in 2017
New patient visit (30+ min)165$14,001$85
Short return visit (20+ min)101$9,011$61
Diagnostic exam of voice box using a flexible endoscope71$8,872$111
Return visit (30+ min)59$5,902$89
Removal of impacted ear wax111$5,509$37
Diagnostic exam of nasal passages using an endoscope13$2,946$210
Simple control of nose bleed14$1,421$84
Short return visit15$800$36
Removal of impacted cerumen (one or both ears) by physician on same date of service as audiologic function testing11$545$50
Test to assess middle ear function11$149$14

2016: 10 services

Original Medicare services billed in 2016
New patient visit (30+ min)153$14,183$93
Short return visit (20+ min)119$9,892$60
Diagnostic exam of voice box using a flexible endoscope63$7,145$110
Removal of impacted ear wax117$6,262$40
Return visit (30+ min)61$6,230$94
Diagnostic exam of nasal passages using an endoscope19$3,766$198
New patient visit (45+ min)15$2,202$147
Short return visit30$1,710$36
Simple control of nose bleed15$1,405$83
Exam of ear using a microscope17$611$27

2015: 10 services

Original Medicare services billed in 2015
New patient visit (30+ min)166$15,701$95
Short return visit (20+ min)106$10,724$68
Diagnostic exam of nasal passages using an endoscope19$6,840$201
Removal of impacted ear wax132$6,644$43
Diagnostic exam of voice box using a flexible endoscope56$6,630$114
Return visit (30+ min)58$6,573$103
Short return visit35$1,601$40
Simple control of nose bleed16$1,476$78
New patient visit (15+ min)22$1,140$52
Exam of ear using a microscope23$1,046$31

2014: 12 services

Original Medicare services billed in 2014
New patient visit (30+ min)134$12,140$91
Short return visit (20+ min)87$6,581$59
Diagnostic exam of voice box using a flexible endoscope46$5,686$109
Removal of impacted ear wax94$4,465$41
Return visit (30+ min)36$3,687$97
Diagnostic exam of nasal passages using an endoscope12$2,462$189
Exam of the nose and throat using an endoscope14$2,090$139
Simple control of nose bleed17$1,769$84
Short return visit38$1,685$36
New patient visit (15+ min)16$1,049$66
Exam of ear using a microscope15$505$25
Repositioning exercises of head for treatment of dizziness, each day11$342$28

2013: 9 services

Original Medicare services billed in 2013
New patient visit (30+ min)149$13,496$91
Short return visit (20+ min)125$10,701$60
Diagnostic exam of voice box using a flexible endoscope46$5,269$110
Removal of impacted ear wax106$4,957$43
Diagnostic exam of nasal passages using an endoscope17$3,749$221
Return visit (30+ min)26$2,773$99
Short return visit30$1,301$38
Simple control of nose bleed15$1,190$74
Exam of ear using a microscope23$1,127$31

Drugs they prescribed that Part D paid

$4,583

Pharmacies billed $4,583 in 2024.

This is pharmacy cost, not the office bill, and not what patients paid.

181 generic and fewer than 11 brand-name prescriptions · $4,583 in drug cost · 31 antibiotic prescriptions to 24 people.

Part D prescriptions only. The opioid rate is opioid prescriptions as a share of all this clinician's Part D prescriptions; surgeons and pain specialists run higher than others, so it is shown against the same specialty.

Largest Part D drug costs
Ipratropium43$1,112$26
Fluocinolone Acetonide Oil20$699$35
Ofloxacin12$425$35
Amoxicillin-Clavulanate Potass13$124$10

Year by year

Part D prescribing by year
202418890NoneNone$4,583
202316379NoneNone$5,062
202216280NoneNone$6,071
202112678NoneNone$4,119
202013765NoneNone$4,817
201912870None11%$4,416
20181317010% (13)None$4,478
2017187817% (13)None$9,445
2016224948% (18)14%$10,392
2015219875% (11)None$10,542
2014216956% (12)13%$8,162
201319090None12%$7,164

Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.

See the drugs prescribed each year

2023: 3 drugs

Part D drugs prescribed in 2023
Ipratropium20$1,291$65
Fluocinolone Acetonide Oil18$708$39
Amoxicillin-Clavulanate Potass18$242$13

2022: 4 drugs

Part D drugs prescribed in 2022
Ipratropium14$862$62
Ofloxacin11$465$42
Montelukast12$324$27
Amoxicillin-Clavulanate Potass11$121$11

2021: 2 drugs

Part D drugs prescribed in 2021
Fluocinolone Acetonide Oil24$936$39
Ofloxacin11$373$34

2020: 3 drugs

Part D drugs prescribed in 2020
Fluocinolone Acetonide Oil17$854$50
Ofloxacin12$705$59
Amoxicillin-Clavulanate Potass11$134$12

2019: 3 drugs

Part D drugs prescribed in 2019
Fluocinolone Acetonide Oil12$1,173$98
Levothyroxine13$187$14
Calcitriol12$174$15

2018: 4 drugs

Part D drugs prescribed in 2018
Fluocinolone Acetonide Oil11$1,377$125
Fluticasone Propionate14$456$33
Hydrocodone-Acetaminophen13$217$17
Amoxicillin-Clavulanate Potass19$217$11

2017: 5 drugs

Part D drugs prescribed in 2017
Fluocinolone Acetonide Oil16$2,373$148
Azelastine19$1,285$68
Fluticasone Propionate38$748$20
Cephalexin13$92$7
Hydrocodone-Acetaminophen12$50$4

2016: 7 drugs

Part D drugs prescribed in 2016
Fluocinolone Acetonide Oil16$2,548$159
Fluticasone Propionate43$744$17
Ofloxacin13$366$28
Levothyroxine24$320$13
Hydrocodone-Acetaminophen16$241$15
Cephalexin11$79$7
Levofloxacin11$71$6

2015: 4 drugs

Part D drugs prescribed in 2015
Fluocinolone Acetonide Oil16$2,640$165
Ofloxacin15$1,101$73
Fluticasone Propionate52$582$11
Amoxicillin-Clavulanate Potass15$258$17

2014: 6 drugs

Part D drugs prescribed in 2014
Nasonex12$2,321$193
Fluticasone Propionate74$1,131$15
Azelastine16$751$47
Ofloxacin20$707$35
Omeprazole17$361$21
Hydrocodone-Acetaminophen11$81$7

2013: 2 drugs

Part D drugs prescribed in 2013
Fluticasone Propionate55$1,479$27
Ofloxacin15$437$29

Money from drug and device companies

$63 in 2025

Industry payments by year
202522None$63
202211None$60

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
Boston ScientificObsidio$39
1 payment
  • Meals for Obsidio · 2025-07-16 · $39
Smith+NephewTula$25
1 payment
  • Meals for Tula · 2025-05-01 · $25
See all 2 published payments
Every published payment
Boston ScientificMeals · 2025-07-16Obsidio$39
Smith+NephewMeals · 2025-05-01Tula$25
See earlier years (2022)

2022: $60

Payments by company in 2022
Horizon Therapeutics plcTepezza$60
1 payment
  • Meals for Tepezza · 2022-12-13 · $60

Professional record

NPI
1588712525
Licence
CA A91564California A91564: Current · expires 2026-11-30
Trained
University of California, Irvine, California College of Medicine, 1998
Video visits
Lists video visits
Gender
Male
More record details
Sole proprietor
No
Taxonomy
Federal specialty code 207YX0007X (207YX0007X)
Mailing address
2350 W El Camino Real, 2nd Floor, Mountain View, CA, 94040
NPI first listed
2007-01-08
NPI last updated
2011-12-07

This is when the NPI record was last certified, not a medical board exam.