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Patricia Nguyen, MD

Cardiovascular Disease (Cardiology) · Stanford

NPI 1366629958

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
12
1 carrier
Offices
4

Offices

4 locations · Stanford Health Care · 3,152 clinicians in this group

Looking this up.

Hospitals listed: Stanford Health Care. That is not proof they admit you there this week.

Plans that list them

12 plans · 1 carrier

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.

Plans whose provider directory lists this clinician
Alignment Health BreathEasy (HMO C-SNP)Alignment Health PlanListedOct 3, 2026
Alignment Health Clarity (HMO C-SNP)Alignment Health PlanListedOct 3, 2026
Alignment Health Harmony (HMO)Alignment Health PlanListedOct 3, 2026
Alignment Health Heart & Diabetes (HMO C-SNP)Alignment Health PlanListedOct 3, 2026
Alignment Health Heart & Diabetes CalPlus (HMO C-SNP)Alignment Health PlanListedOct 3, 2026
Alignment Health Heart & Diabetes Care (HMO C-SNP)Alignment Health PlanListedSep 28, 2026
Alignment Health Heart & Diabetes Choice (HMO C-SNP)Alignment Health PlanListedSep 28, 2026
Alignment Health Honor+ Plan (HMO)Alignment Health PlanListedOct 3, 2026
Alignment Health My Choice CalCare (HMO)Alignment Health PlanListedOct 3, 2026
Alignment Health Silicon (HMO C-SNP)Alignment Health PlanListedOct 3, 2026
Alignment Health smartHMO (HMO)Alignment Health PlanListedOct 3, 2026
Alignment Health the ONE (HMO)Alignment Health PlanListedOct 3, 2026

California Medical Board record

Licence A66152 · Current

Licensed to practise in California · since 1998 · expires 2027-12-31 · Johns Hopkins University School 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.

  • Stanford Health CareStanford, CAAcute Care Hospital · Voluntary non-profit - Private · Has an emergency departmentPart of Stanford Health Care, which runs 3 hospitalsHome of Stanford Cancer Institute, a National Cancer Institute designated comprehensive cancer centrePatients rate it 4 of 5 · 83% would definitely recommend it
    Overall rating: 5 of 5 starsWorse than the national rate — Perioperative pulmonary embolism or deep vein thrombosis rate: 5.31 (4.24 to 6.37) · 8,661 cases, Jul 2022 – Jun 2024Worse than the national rate — Rate of inpatient admissions for patients receiving outpatient chemotherapy: 14.1 (12.7 to 15.7) · 2,191 cases, Jan 2024 – Dec 2024Better than the national rate — Postoperative respiratory failure rate: 4.08 (1.95 to 6.21) · 5,296 cases, Jul 2022 – Jun 2024Better than the national rate — Catheter Associated Urinary Tract Infections (ICU + select Wards): 0.317, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.446, Oct 2024 – Sep 2025Better than the national rate — SSI - Colon Surgery: 0.241, Oct 2024 – Sep 2025Better than the national rate — Ratio of unplanned hospital visits after hospital outpatient surgery: 0.7 (0.6 to 0.9) · 3,348 cases, Jan 2024 – Dec 2024
See every measure and the patient survey for Stanford Health Care

Behind the star rating — Deaths: 5 better, 3 the same, 0 worse of 8 measures. Safety: 3 better, 5 the same, 0 worse of 8 measures. Readmissions: 2 better, 5 the same, 4 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 Stanford Health Care
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths5.31 (4.24 to 6.37) · 8,661 casesWorseJul 2022 – Jun 2024
Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits14.1 (12.7 to 15.7) · 2,191 casesWorseJan 2024 – Dec 2024
Postoperative respiratory failure rateComplications and deaths4.08 (1.95 to 6.21) · 5,296 casesBetterJul 2022 – Jun 2024
Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections0.317BetterOct 2024 – Sep 2025
Clostridium Difficile (C.Diff)Infections0.446BetterOct 2024 – Sep 2025
SSI - Colon SurgeryInfections0.241BetterOct 2024 – Sep 2025
Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits0.7 (0.6 to 0.9) · 3,348 casesBetterJan 2024 – Dec 2024
Abdominopelvic accidental puncture or laceration rateComplications and deaths1.06 (0.45 to 1.67) · 5,374 casesNo differentJul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths0.86 (0.72 to 1)No differentJul 2022 – Jun 2024
Death rate among surgical inpatients with serious treatable complicationsComplications and deaths166.09 (137.88 to 194.3) · 470 casesNo differentJul 2022 – Jun 2024
Death rate for CABG surgery patientsComplications and deaths1.1 · 192 casesNoneJul 2022 – Jun 2025
Death rate for COPD patientsComplications and deaths6.4 · 146 casesNoneJul 2022 – Jun 2025
Death rate for heart attack patientsComplications and deaths9.7 · 253 casesNoneJul 2022 – Jun 2025
Death rate for heart failure patientsComplications and deaths6.3 · 880 casesNoneJul 2022 – Jun 2025
Death rate for pneumonia patientsComplications and deaths10.3 · 935 casesNoneJul 2022 – Jun 2025
Death rate for stroke patientsComplications and deaths8.7 · 501 casesNoneJul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths2.1 · 7,730 casesNoneJul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths0.13 (0 to 0.27) · 20,799 casesNo differentJul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths0.28 (0.14 to 0.43) · 23,182 casesNo differentJul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths0.94 (0.2 to 1.68) · 5,694 casesNo differentJul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths2.36 (1.54 to 3.19) · 7,846 casesNo differentJul 2022 – Jun 2024
Postoperative sepsis rateComplications and deaths5.2 (3.76 to 6.64) · 5,603 casesNo differentJul 2022 – Jun 2024
Postoperative wound dehiscence rateComplications and deaths1.38 (0.23 to 2.53) · 2,211 casesNo differentJul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths0.52 (0.21 to 0.83) · 19,915 casesNo differentJul 2022 – Jun 2024
Rate of complications for hip/knee replacement patientsComplications and deaths3.6 · 416 casesNoneApr 2023 – Mar 2025
Central Line Associated Bloodstream Infection (ICU + select Wards)Infections0.869No differentOct 2024 – Sep 2025
MRSA BacteremiaInfections0.857No differentOct 2024 – Sep 2025
SSI - Abdominal HysterectomyInfections0.368No differentOct 2024 – Sep 2025
Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits16.2 · 247 casesNoneJul 2023 – Jun 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits20.5 · 1,021 casesNoneJul 2023 – Jun 2025
Hospital return days for heart attack patientsUnplanned return visits47.8 · 258 casesNoneJul 2022 – Jun 2025
Hospital return days for heart failure patientsUnplanned return visits-1.6 · 990 casesNoneJul 2022 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits20.8 · 976 casesNoneJul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits16.5 · 959 casesNoneJul 2023 – Jun 2025
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits5.2 (4.4 to 6.2) · 2,191 casesNo differentJan 2024 – Dec 2024
Rate of readmission after hip/knee replacementUnplanned return visits5.1 · 425 casesNoneJul 2023 – Jun 2025
Rate of readmission for CABGUnplanned return visits9.6 · 158 casesNoneJul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits19.6 · 183 casesNoneJul 2023 – Jun 2025
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits12.7 (10.4 to 15.4) · 4,578 casesNo differentJan 2022 – Dec 2024

What patients said (6,810 patients answered, 25% of those asked)

Patient survey stars by topic at Stanford Health Care
Cleanliness4
Nurse communication4
Doctor communication4
Communication about medicines3
Discharge information4
Overall hospital rating4
Quietness2
Recommend hospital5
Share of patients giving the best answer at Stanford Health Care
Room was "always" clean75%
Nurses "always" communicated well82%
Doctors "always" communicated well81%
Staff "always" explained63%
Yes, staff "did" give patients this information89%
Yes, staff "did" give patients information about help after discharge89%
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)79%
Staff "always" explained new medications76%
Nurses "always" explained things so they could understand77%
Nurses "always" listened carefully79%
Nurses "always" treated them with courtesy and respect88%
"Always" quiet at night53%
"YES", patients would definitely recommend the hospital83%
Staff "always" explained possible side effects50%
Yes, staff "did" give patients information about possible symptoms90%

Original Medicare doctor bills

$7,117

Medicare paid this office $7,117 for 767 people.

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

Largest Original Medicare bills
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only669$5,307$7
Heart rhythm review and interpretation of continous external ekg over 8-15 days66$1,415$21
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report21$247$12

Who their Medicare patients are

767 Original Medicare patients in 2024. Average age 74 · Under 65 12% · 85 and older 17% · Women 53% · Also on Medicaid 31% · Health risk score 2.44. Sicker patients than 9 in 10 peers; the typical cardiology clinician is at 1.71.

Conditions among them: High blood pressure 75% · Coronary heart disease 47% · Atrial fibrillation 45% · Chronic kidney disease 44% · Heart failure 42% · Diabetes 37% · Depression 27% · Cancer 22% · COPD 20% · Dementia 19% · Stroke 19%.

The office billed $70,996, Medicare allowed $9,578 and paid $7,117; for 871 services of 4 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
2024767871742.44$70,996$7,117
2023492558742.50$45,040$4,815
2022571650742.15$51,212$5,662
2021709829742.24$74,813$10,058
2020348406732.27$29,301$3,275
2019610715752.26$48,118$5,950
20188285722.27$5,185$645
20173539751.54$13,473$2,796

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: 2 services

Original Medicare services billed in 2023
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only437$3,576$7
Heart rhythm review and interpretation of continous external ekg over 8-15 days39$933$24

2022: 2 services

Original Medicare services billed in 2022
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only517$4,360$7
Heart rhythm review and interpretation of continous external ekg over 8-15 days43$1,072$25

2021: 2 services

Original Medicare services billed in 2021
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only632$5,027$7
Heart rhythm review and interpretation of continous external ekg over 8-15 days52$1,170$23

2020: 2 services

Original Medicare services billed in 2020
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only322$2,686$7
Review and interpretation of external ekg recording for more than 48 hours up to 21 days26$564$22

2019: 2 services

Original Medicare services billed in 2019
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only584$5,288$8
Review and interpretation of external ekg recording for more than 48 hours up to 21 days26$662$25

2018: 1 service

Original Medicare services billed in 2018
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only82$645$8

2017: 1 service

Original Medicare services billed in 2017
Review and interpretation of external ekg recording for more than 48 hours up to 21 days24$588$24

Medicaid work

$5,656 in 2024

Medicaid paid $5,656 for 504 billed services this clinician did in 2024, up to 149 people in a month for one service.

Medicaid and CHIP claims where this clinician did the service, fee-for-service and managed care together. Any month with fewer than 11 patients is hidden, so small Medicaid practices undercount.

Largest Medicaid services in 2024
Electrocardiogram, routine ECG with at least 12 leads; interpretation and report only488$5,401
External electrocardiographic recording for more than 7 days up to 15 days by continuous rhythm recording and storage; review and interpretation16$256
Medicaid work by year
20245042149$5,656
20234351121$4,322
20224731104$5,432
20216811121$8,119
20202551138$3,401
20194191173$5,346
201844142$494
See the largest Medicaid services in earlier years

2023

Largest Medicaid services in 2023
Electrocardiogram, routine ECG with at least 12 leads; interpretation and report only435$4,322

2022

Largest Medicaid services in 2022
Electrocardiogram, routine ECG with at least 12 leads; interpretation and report only473$5,432

2021

Largest Medicaid services in 2021
Electrocardiogram, routine ECG with at least 12 leads; interpretation and report only681$8,119

2020

Largest Medicaid services in 2020
Electrocardiogram, routine ECG with at least 12 leads; interpretation and report only255$3,401

2019

Largest Medicaid services in 2019
Electrocardiogram, routine ECG with at least 12 leads; interpretation and report only419$5,346

2018

Largest Medicaid services in 2018
Electrocardiogram, routine ECG with at least 12 leads; interpretation and report only44$494

Money from drug and device companies

$83 in 2022

A payment is not proof that care is biased.

Payments by company
Boston ScientificWatchman Access System$83
1 payment
  • Meals for Watchman Access System · 2022-07-07 · $83
See the published payment
Every published payment
Boston ScientificMeals · 2022-07-07Watchman Access System$83

Checkups this office reported

Medicare did not publish checkup rates for this clinician.

Medicare’s overall office score
76.5 / 100
Scores the office’s reporting and systems. It is not a grade for how the doctor treats you.

Professional record

NPI
1366629958
Licence
CA A66152California A66152: Current · expires 2027-12-31
Trained
Johns Hopkins University School of Medicine, 1997
Gender
Female
More record details
Sole proprietor
No
Taxonomy
Cardiology (207RC0000X)
Mailing address
300 Pasteur Dr, Stanford, CA, 94305
NPI first listed
2008-01-25
NPI last updated
2024-04-24
NPI record certified
2024-04-24

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