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William Hiesinger, MD

Thoracic Surgery · Stanford

NPI 1093913667

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
18
4 carriers
Office
1

Offices

1 location · 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

18 plans · 4 carriers

A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Hiesinger’s office at (650) 723-4000 to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.

18 of 18 plans

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
Anthem Full Dual Advantage Aligned (HMO D-SNP)Anthem Blue CrossListedOct 3, 2026
SCAN Balance (HMO C-SNP)SCAN Health PlanListedOct 3, 2026
SCAN Classic (HMO)SCAN Health PlanListedOct 3, 2026
SCAN MyChoice (HMO)SCAN Health PlanListedOct 3, 2026
SCAN Strive (HMO C-SNP)SCAN Health PlanListedOct 3, 2026
DualConnect (HMO D-SNP)Santa Clara Family Health PlanListedSep 1, 2026

California Medical Board record

Licence A141989 · Current

Licensed to practise in California · since 2016 · expires 2027-10-31 · University of Pennsylvania 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

$159,262

Medicare paid this office $159,262 for 68 people.

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

Largest Original Medicare bills
Critical care, first 30-74 minutes15$8,951$186

Procedures Medicare counted

Procedure volume Medicare published
Coronary artery bypass graft (CABG)1-10None
Removal of tissue1-10None

Who their Medicare patients are

68 Original Medicare patients in 2024. Average age 69 · Women 40% · Also on Medicaid 31% · Health risk score 2.09. Above the middle of the specialty; the typical thoracic surgery clinician is at 1.74.

Conditions among them: High blood pressure 75% · Coronary heart disease 75% · Chronic kidney disease 75% · Heart failure 71% · Atrial fibrillation 69% · Diabetes 50% · Stroke 38% · Depression 26% · COPD 25% · Cancer 18%.

The office billed $1,356,582, Medicare allowed $199,551 and paid $159,262; for 450 services of 68 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
202468450692.09$1,356,582$159,262
202351384702.74$1,100,138$135,831
202230447652.84$858,899$105,457
202145277692.27$910,021$111,692
202057483692.24$989,777$132,548
201969294713.06$1,346,467$161,248
201892363722.53$1,590,377$182,291
201781660702.18$1,321,451$175,901
20163458721.18$396,261$44,186

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: 1 service

Original Medicare services billed in 2023
Coronary artery bypass using artery graft, 1 graft12$16,853$1,404

2020: 1 service

Original Medicare services billed in 2020
Critical care, first 30-74 minutes12$6,108$204

2019: 1 service

Original Medicare services billed in 2019
New patient visit (60+ min)27$3,671$136

2018: 7 services

Original Medicare services billed in 2018
Replacement of aortic valve on heart-lung machine13$21,343$1,642
Insertion of implanted blood flow assist device in lower heart chamber14$19,746$1,410
Coronary artery bypass using artery graft, 1 graft13$17,627$1,356
Replacement of aortic valve through the skin and femoral artery14$10,134$724
Subsequent hospital care with moderate levelof medical decision making at least 50 minutes14$8,332$94
Evaluation of lower heart chamber assist device12$3,481$41
New patient visit (60+ min)17$2,559$151

2017: 4 services

Original Medicare services billed in 2017
Subsequent hospital care with moderate levelof medical decision making at least 50 minutes20$21,313$93
Insertion of implanted blood flow assist device in lower heart chamber11$14,868$1,352
Evaluation of lower heart chamber assist device19$10,187$41
New patient visit (60+ min)16$2,197$137

Money from drug and device companies

$71 in 2025

Industry payments by year
202511None$71
202422None$238
202111None$57
202011None$24
201926$1,300$1,516

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
AbiomedNone$71
1 payment
  • Meals · 2025-10-01 · $71
See the published payment
Every published payment
AbiomedMeals · 2025-10-01None$71
See earlier years (2024, 2021, 2020, 2019)

2024: $238

Payments by company in 2024
Paragonix TechnologiesSherpapak$122
1 payment
  • Meals for Sherpapak · 2024-01-22 · $122
Abbott LaboratoriesCardiomems$115
1 payment
  • Meals for Cardiomems · 2024-12-20 · $115

2021: $57

Payments by company in 2021
Abbott LaboratoriesHeartmate 3 Left Ventricular Assist Device$57
1 payment
  • Meals for Heartmate 3 Left Ventricular Assist Device · 2021-04-06 · $57

2020: $24

Payments by company in 2020
Abbott LaboratoriesHeartmate 3 Left Ventricular Dev$24
1 payment
  • Meals for Heartmate 3 Left Ventricular Dev · 2020-04-17 · $24

2019: $1,516

Payments by company in 2019
Abbott LaboratoriesHeartmate 3 Left Ventricular Dev$1,462
5 payments
  • Consulting for Heartmate 3 Left Ventricular Dev · 2019-11-14 · $1,300
  • Meals for Heartmate 3 Left Ventricular Dev · 2019-07-31 · $29
  • Meals for Heartmate 3 Left Ventricular Dev · 2019-07-31 · $108
  • Meals for Heartmate 3 Left Ventricular Dev · 2019-07-24 · $13
  • Meals for Heartmate · 2019-02-13 · $12
LivaNova USAProtek Duo$54
1 payment
  • Meals for Protek Duo · 2019-05-05 · $54

Research money

Money a company paid to run a study. Where it went to their institution, the clinician is named as an investigator and did not receive it; the amount covers the whole study, often across many sites.

Research payments by company and study
Edwards Lifesciences Corporation · Clasp Iid 2018-07 · 2021Their institution$93,232
Edwards Lifesciences Corporation · Clasp Iif (2018-07) · 2024Their institution$69,061
Edwards Lifesciences Corporation · Clasp Iif (2018-07) · 2022Their institution$65,493
Edwards Lifesciences Corporation · Clasp Iid 2018-07 · 2022Their institution$61,719
Edwards Lifesciences Corporation · Clasp Iif (2018-07) · 2023Their institution$57,152
Edwards Lifesciences Corporation · Clasp Iif (2018-07) · 2025Their institution$56,152
Edwards Lifesciences Corporation · Clasp Iid 2018-07 · 2020Their institution$54,451
Edwards Lifesciences Corporation · Clasp Iif (2018-07) · 2021Their institution$43,965
Medtronic Vascular, Inc. · Psr-Mcs · 2020Their institution$25,296
Abbott Laboratories · Momentum 3 Cap Multi-Center Study of Maglev Technology in Patients Undergoing Mcs Therapy With Heartmate 3 Continued Access Protocol · 2020Their institution$24,336
Abbott Laboratories · Antiplatelet Removal and Hemocompatibility Events in the Heartmate 3 Pump · 2021Their institution$24,238
Edwards Lifesciences Corporation · Clasp Iid 2018-07 · 2023Their institution$22,692
Medtronic Vascular, Inc. · Psr-Mcs · 2019Their institution$22,087
Abbott Laboratories · Multi-Center Study of Maglev Technology in Patients Undergoing Mcs Therapy With Heartmate 3 Continued Access Protocol · 2019Their institution$21,940
Medtronic, Inc. · Psr-Mcs · 2021Their institution$20,662
Abbott Laboratories · Antiplatelet Removal and Hemocompatibility Events in the Heartmate 3 Pump · 2022Their institution$14,280
Edwards Lifesciences Corporation · Clasp Iid 2018-07 · 2024Their institution$13,832
Medtronic, Inc. · Psr-Mcs · 2025Their institution$12,288
Medtronic, Inc. · Psr-Mcs · 2022Their institution$11,525
Abbott Laboratories · Centrimag Failure-To-Wean Post Approval Study · 2021Their institution$10,441
Abbott Laboratories · Implantation of the Heartmate 3 in Subjects With Heart Failure Using Surgical Techniques Other Than Full Median Sternotomy · 2021Their institution$10,336
Abbott Laboratories · Implantation of the Heartmate 3 in Subjects With Heart Failure Using Surgical Techniques Other Than Full Median Sternotomy · 2022Their institution$9,140
Medtronic, Inc. · Psr-Mcs · 2023Their institution$8,136
Abbott Laboratories · Antiplatelet Removal and Hemocompatibility Events in the Heartmate 3 Pump · 2024Their institution$6,966
Edwards Lifesciences Corporation · Clasp Iid 2018-07 · 2025Their institution$6,735
Abbott Laboratories · Antiplatelet Removal and Hemocompatibility Events With the Heartmate 3 Pump Ide Study · 2024Their institution$6,584
Abbott Laboratories · Antiplatelet Removal and Hemocompatibility Events With the Heartmate 3 Pump Ide Study (Aries) · 2023Their institution$6,036
Medtronic, Inc. · Psr-Mcs · 2024Their institution$5,627
Abbott Laboratories · Thoratec Corporation Momentum 3, Multi-Center Study of Maglev Technology in Patients Undergoing Mcs Therapy With Heartmate 3 Ide Clinical Study Protocol · 2022Their institution$5,500
Abbott Laboratories · Centrimag Failure-To-Wean Post Approval Study · 2022Their institution$5,184
Medtronic, Inc. · Apogee · 2021Their institution$4,867
Medtronic Vascular, Inc. · Apogee · 2020Their institution$4,326
Abbott Laboratories · Centrimag Failure-To-Wean Post-Approval Study · 2024Their institution$2,875
Medtronic, Inc. · Apogee · 2022Their institution$2,814
Abbott Laboratories · Multi-Center Study of Maglev Technology in Patients Undergoing Mcs Therapy With Heartmate 3 Continued Access Protocol · 2021Their institution$1,250
Medtronic, Inc. · Apogee · 2023Their institution$1,206
Medtronic Vascular, Inc. · Dt Pas · 2020Their institution$469
Abbott Laboratories · Aries Hm3 Ide · 2021Their institution$250
Medtronic, Inc. · Dt Pas · 2021Their institution$134
Abbott Laboratories · Hm3 Swift Pms · 2021Their institution$105
Abbott Laboratories · Implantation of the Heartmate 3 in Subjects With Heart Failure Using Surgical Techniques Other Than Full Median Sternotomy · 2020Their institution$32
Abbott Laboratories · Hm3 Swift Study · 2019Their institution$28

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
1093913667
Licence
CA A141989, PA MT191341California A141989: Current · expires 2027-10-31
Trained
Perelman School of Med at the University of Pennsylvania, 2007
Gender
Male
More record details
Sole proprietor
No
Taxonomy
Thoracic surgery (208G00000X); Surgery (208600000X)
Mailing address
300 Pasteur Dr Ste 100, Palo Alto, CA, 94304
NPI first listed
2007-07-05
NPI last updated
2024-04-27
NPI record certified
2024-04-27

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