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William Toan Le, MD

Family Practice · Los Altos

NPI 1134489594

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
4

Offices

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

Looking this up.

Hospitals listed: El Camino Health · Good Samaritan Hospital. 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. Le’s office to ask if they take your plan before you enroll.

California Medical Board record

Licence A141124 · Current

Licensed to practise in California · since 2016 · expires 2028-03-31 · American University of the Caribbean School of Medicine.

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

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.

  • 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
  • Good Samaritan HospitalSan Jose, 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 · 67% would definitely recommend it
    Overall rating: 2 of 5 starsBetter than the national rate — Clostridium Difficile (C.Diff): 0.337, 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%
See every measure and the patient survey for Good Samaritan Hospital

Behind the star rating — Deaths: 0 better, 8 the same, 0 worse of 8 measures. Safety: 1 better, 6 the same, 1 worse of 8 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.

Every scored measure at Good Samaritan Hospital
Clostridium Difficile (C.Diff)Infections0.337BetterOct 2024 – Sep 2025
Abdominopelvic accidental puncture or laceration rateComplications and deaths0.75 (0 to 1.67) · 1,340 casesNo differentJul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths0.84 (0.54 to 1.14)No differentJul 2022 – Jun 2024
Death rate among surgical inpatients with serious treatable complicationsComplications and deaths143.59 (98.7 to 188.49) · 98 casesNo differentJul 2022 – Jun 2024
Death rate for CABG surgery patientsComplications and deaths1.7 · 45 casesNoneJul 2022 – Jun 2025
Death rate for COPD patientsComplications and deaths7.1 · 100 casesNoneJul 2022 – Jun 2025
Death rate for heart attack patientsComplications and deaths12.7 · 270 casesNoneJul 2022 – Jun 2025
Death rate for heart failure patientsComplications and deaths11.3 · 573 casesNoneJul 2022 – Jun 2025
Death rate for pneumonia patientsComplications and deaths15.6 · 820 casesNoneJul 2022 – Jun 2025
Death rate for stroke patientsComplications and deaths8.5 · 482 casesNoneJul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths3.3 · 3,711 casesNoneJul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths0.12 (0 to 0.3) · 8,866 casesNo differentJul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths0.2 (0.01 to 0.38) · 9,051 casesNo differentJul 2022 – Jun 2024
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths2.65 (0.74 to 4.56) · 1,929 casesNo differentJul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths1.8 (0.21 to 3.39) · 670 casesNo differentJul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths2.33 (0.88 to 3.78) · 1,836 casesNo differentJul 2022 – Jun 2024
Postoperative respiratory failure rateComplications and deaths6.73 (0 to 13.46) · 669 casesNo differentJul 2022 – Jun 2024
Postoperative sepsis rateComplications and deaths7.58 (3.96 to 11.19) · 654 casesNo differentJul 2022 – Jun 2024
Postoperative wound dehiscence rateComplications and deaths1.59 (0.13 to 3.04) · 496 casesNo differentJul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths0.27 (0 to 0.87) · 7,373 casesNo differentJul 2022 – Jun 2024
Rate of complications for hip/knee replacement patientsComplications and deaths4.1 · 152 casesNoneApr 2023 – Mar 2025
Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections1.08No differentOct 2024 – Sep 2025
Central Line Associated Bloodstream Infection (ICU + select Wards)Infections0.542No differentOct 2024 – Sep 2025
MRSA BacteremiaInfections0.484No differentOct 2024 – Sep 2025
SSI - Colon SurgeryInfections1.565No differentOct 2024 – Sep 2025
Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits15.8 · 327 casesNoneJul 2023 – Jun 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits24.2 · 703 casesNoneJul 2023 – Jun 2025
Hospital return days for heart attack patientsUnplanned return visits61.1 · 289 casesNoneJul 2022 – Jun 2025
Hospital return days for heart failure patientsUnplanned return visits36.3 · 665 casesNoneJul 2022 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits25.4 · 856 casesNoneJul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits19 · 978 casesNoneJul 2023 – Jun 2025
Rate of readmission after hip/knee replacementUnplanned return visits6.3 · 144 casesNoneJul 2023 – Jun 2025
Rate of readmission for CABGUnplanned return visits12.3 · 46 casesNoneJul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits21.2 · 135 casesNoneJul 2023 – Jun 2025
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits13.8 (10.1 to 18.6) · 129 casesNo differentJan 2022 – Dec 2024
Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits1.2 (0.9 to 1.5) · 531 casesNo differentJan 2024 – Dec 2024

What patients said (704 patients answered, 24% of those asked)

Patient survey stars by topic at Good Samaritan Hospital
Cleanliness3
Nurse communication3
Doctor communication2
Communication about medicines2
Discharge information3
Overall hospital rating2
Quietness1
Recommend hospital3
Share of patients giving the best answer at Good Samaritan Hospital
Room was "always" clean66%
Nurses "always" communicated well75%
Doctors "always" communicated well71%
Staff "always" explained54%
Yes, staff "did" give patients this information83%
Yes, staff "did" give patients information about help after discharge81%
Doctors "always" explained things so they could understand66%
Doctors "always" listened carefully69%
Doctors "always" treated them with courtesy and respect78%
Patients who gave a rating of "9" or "10" (high)63%
Staff "always" explained new medications68%
Nurses "always" explained things so they could understand69%
Nurses "always" listened carefully73%
Nurses "always" treated them with courtesy and respect82%
"Always" quiet at night38%
"YES", patients would definitely recommend the hospital67%
Staff "always" explained possible side effects40%
Yes, staff "did" give patients information about possible symptoms86%

Original Medicare doctor bills

$26,122

Medicare paid this office $26,122 for 189 people.

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

Largest Original Medicare bills
Initial hospital care with moderate level of medical decision making at least 75 minutes90$13,315$146
Initial hospital care with straightforward or low-level medical decision making at least 55 minutes96$11,692$115

Who their Medicare patients are

189 Original Medicare patients in 2024. Average age 81 · 85 and older 39% · Women 61% · Also on Medicaid 13% · Health risk score 1.74. Above the middle of the specialty; the typical family practice clinician is at 1.13.

Conditions among them: High blood pressure 75% · Atrial fibrillation 51% · Coronary heart disease 46% · Heart failure 42% · Chronic kidney disease 42% · Diabetes 37% · Depression 30% · Stroke 28% · Dementia 27% · Cancer 25% · COPD 20%.

The office billed $117,284, Medicare allowed $34,083 and paid $26,122; for 199 services of 3 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
2024189199811.74$117,284$26,122
2023193199821.81$118,512$27,474
2022213234821.81$132,902$34,718
2021206214802.03$126,660$34,005
2020247260801.90$139,848$42,594
2019339361801.92$193,390$57,131
2018289306812.00$163,623$49,693
2017281300802.18$160,393$50,140
2016366449722.85$123,558$61,123
2015682926722.56$238,409$116,439
2014353463732.34$108,485$55,384

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
Initial hospital care with moderate level of medical decision making at least 75 minutes93$14,704$158
Initial hospital care with straightforward or low-level medical decision making at least 55 minutes93$11,167$116

2022: 4 services

Original Medicare services billed in 2022
Initial hospital care with moderate level of medical decision making at least 75 minutes96$17,780$181
Initial hospital care with straightforward or low-level medical decision making at least 55 minutes78$9,778$118
Initial hospital observation care per day, typically 50 minutes30$3,534$114
Initial hospital observation care per day, typically 70 minutes16$2,654$166

2021: 4 services

Original Medicare services billed in 2021
Initial hospital care with moderate level of medical decision making at least 75 minutes127$22,901$179
Initial hospital care with straightforward or low-level medical decision making at least 55 minutes34$3,944$116
Initial hospital observation care per day, typically 50 minutes29$3,466$120
Initial hospital observation care per day, typically 70 minutes20$3,232$162

2020: 5 services

Original Medicare services billed in 2020
Initial hospital care with moderate level of medical decision making at least 75 minutes134$26,060$187
Initial hospital care with straightforward or low-level medical decision making at least 55 minutes48$6,185$126
Initial hospital observation care per day, typically 70 minutes26$4,089$157
Initial hospital observation care per day, typically 50 minutes32$3,861$121
Initial hospital care with same-day admission and discharge with high level of medical decision making, per day at least 85 minutes11$2,229$203

2019: 4 services

Original Medicare services billed in 2019
Initial hospital care with moderate level of medical decision making at least 75 minutes193$36,853$182
Initial hospital care with straightforward or low-level medical decision making at least 55 minutes74$9,166$121
Initial hospital observation care per day, typically 70 minutes29$4,679$161
Initial hospital observation care per day, typically 50 minutes34$3,835$113

2018: 5 services

Original Medicare services billed in 2018
Initial hospital care with moderate level of medical decision making at least 75 minutes171$32,365$179
Initial hospital care with straightforward or low-level medical decision making at least 55 minutes44$5,402$120
Initial hospital observation care per day, typically 70 minutes28$4,686$167
Initial hospital observation care per day, typically 50 minutes36$4,394$122
Initial hospital care with same-day admission and discharge with high level of medical decision making, per day at least 85 minutes13$2,550$196

2017: 3 services

Original Medicare services billed in 2017
Initial hospital care with moderate level of medical decision making at least 75 minutes202$37,559$180
Initial hospital observation care per day, typically 70 minutes33$5,383$163
Initial hospital care with same-day admission and discharge with high level of medical decision making, per day at least 85 minutes17$3,317$195

2016: 8 services

Original Medicare services billed in 2016
Initial hospital care with moderate level of medical decision making at least 75 minutes215$35,189$156
Initial hospital observation care per day, typically 70 minutes79$11,134$141
Critical care, first 30-74 minutes20$3,571$170
Initial hospital care with same-day admission and discharge with high level of medical decision making, per day at least 85 minutes19$2,989$157
Subsequent hospital care with moderate levelof medical decision making at least 35 minutes21$2,193$56
Initial hospital care with straightforward or low-level medical decision making at least 55 minutes14$1,608$107
Subsequent hospital care with moderate levelof medical decision making at least 50 minutes12$1,300$81
Hospital discharge day management, more than 30 minutes15$1,246$83

2015: 13 services

Original Medicare services billed in 2015
Initial hospital care with moderate level of medical decision making at least 75 minutes358$59,729$156
Initial hospital observation care per day, typically 70 minutes118$16,754$140
Critical care, first 30-74 minutes70$12,445$175
Subsequent hospital care with moderate levelof medical decision making at least 35 minutes44$3,801$56
Subsequent hospital care with moderate levelof medical decision making at least 50 minutes34$3,550$81
Initial hospital care with same-day admission and discharge with moderate level of medical decision making, per day at least 70 minutes29$3,549$122
Initial hospital care with same-day admission and discharge with high level of medical decision making, per day at least 85 minutes19$3,139$165
Initial hospital care with straightforward or low-level medical decision making at least 55 minutes26$2,875$106
Hospital discharge day management, more than 30 minutes35$2,804$80
Critical care, each additional 30 minutes22$2,802$88
Initial hospital observation care per day, typically 50 minutes11$1,096$100
Hospital observation care on day of discharge12$670$56
Smoking and tobacco use intensive counseling, 4-10 minutes21$202$10

2014: 8 services

Original Medicare services billed in 2014
Initial hospital care with moderate level of medical decision making at least 75 minutes149$25,368$158
Initial hospital observation care per day, typically 70 minutes58$8,244$140
Critical care, first 30-74 minutes24$4,554$175
Initial hospital observation care per day, typically 50 minutes35$3,728$104
Initial hospital care with straightforward or low-level medical decision making at least 55 minutes35$3,655$104
Subsequent hospital care with moderate levelof medical decision making at least 35 minutes34$2,967$56
Hospital discharge day management, more than 30 minutes13$1,074$83
Smoking and tobacco use intensive counseling, 4-10 minutes17$160$9

Professional record

NPI
1134489594
Licence
CA A141124California A141124: Current · expires 2028-03-31
Gender
Male
More record details
Sole proprietor
No
Taxonomy
Hospitalist (208M00000X); Family medicine (207Q00000X)
Mailing address
325 Distel Cir, Los Altos, CA, 94022
NPI first listed
2012-05-19
NPI last updated
2021-02-24
NPI record certified
2021-02-24

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