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Jean Louis E Horn

Anesthesiology · Stanford

NPI 1063457521

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
Since medical school
40 years
Graduated 1986

Offices

3 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.

Plan participation

Not verified

We could not verify current plan participation for this doctor. This does not mean they are out of network. Call Jean Louis E Horn’s office at (650) 723-4000 to ask if they take your plan before you enroll.

California Medical Board record

Licence C139403 · Current

Licensed to practise in California · since 2015 · expires 2027-08-31 · Catholic University of Louvain Faculty 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

$31,365

Medicare paid this office $31,365 for 178 people.

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

Largest Original Medicare bills
Continuous infusion of anesthetic agent and/or steroid into arm nerve bundle through catheter20$1,318$66
Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter19$1,076$57
Continuous infusion of anesthetic agent and/or steroid into arm nerve bundle through catheter11$693$63
Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)11$583$53

Procedures year by year

Procedures billed to Original Medicare by year
Procedure201920202021202220232024
Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter221317282219
Continuous infusion of anesthetic agent and/or steroid into arm nerve bundle through catheter141412251331
Insertion of artery tube for blood sampling or infusion through skin16382126––
Injection of anesthetic agent and/or steroid into other nerve or branch–1115–––
Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)–––––11

Times billed to Original Medicare each year. A blank year means fewer than 11 people had it, or none: Medicare does not publish smaller counts. Medicare Advantage patients are not included.

Who their Medicare patients are

178 Original Medicare patients in 2024. Average age 72 · Women 55% · Also on Medicaid 21% · Health risk score 1.41. At or below the middle of the specialty; the typical anesthesiology clinician is at 1.54.

Conditions among them: High blood pressure 64% · Diabetes 29% · Coronary heart disease 27% · Chronic kidney disease 22% · Depression 22% · Heart failure 17% · Atrial fibrillation 17% · Cancer 16% · COPD 13% · Stroke 13%.

The office billed $357,429, Medicare allowed $39,302 and paid $31,365; for 202 services of 59 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
2024178202721.41$357,429$31,365
2023135159741.70$268,859$29,956
2022174221731.77$365,562$31,906
2021153269731.83$564,056$32,607
2020158275721.58$458,514$40,475
2019155240721.55$309,868$28,151
2018202361711.73$354,771$29,900
2017188407711.72$390,077$38,085
2016183305721.56$320,938$32,500
2015198349711.53$386,674$40,541
2014233469701.69$418,248$47,018
2013195360701.51$236,474$29,976

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
Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter22$1,269$58
Continuous infusion of anesthetic agent and/or steroid into arm nerve bundle through catheter13$927$71

2022: 4 services

Original Medicare services billed in 2022
Anesthesia for procedure for total knee joint replacement11$4,059$338
Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter28$1,261$45
Continuous infusion of anesthetic agent and/or steroid into arm nerve bundle through catheter25$1,258$50
Insertion of artery tube for blood sampling or infusion through skin25$1,017$39

2021: 6 services

Original Medicare services billed in 2021
Ultrasonic guidance for needle placement53$1,487$28
Insertion of artery tube for blood sampling or infusion through skin18$835$40
Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter17$812$48
Continuous infusion of anesthetic agent and/or steroid into arm nerve bundle through catheter12$665$55
Injection of anesthetic agent and/or steroid into other nerve or branch15$638$43
Ultrasonic guidance for needle placement14$392$28

2020: 5 services

Original Medicare services billed in 2020
Insertion of artery tube for blood sampling or infusion through skin36$1,531$40
Ultrasonic guidance for needle placement45$1,363$30
Continuous infusion of anesthetic agent and/or steroid into arm nerve bundle through catheter13$821$59
Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter13$729$56
Injection of anesthetic agent and/or steroid into other nerve or branch11$464$42

2019: 7 services

Original Medicare services billed in 2019
Anesthesia for other closed procedure on chest12$1,705$142
Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter22$1,425$65
Ultrasonic guidance for needle placement46$1,377$29
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope11$1,374$125
Continuous infusion of anesthetic agent and/or steroid into arm nerve bundle through catheter14$988$71
Insertion of artery tube for blood sampling or infusion through skin15$635$40
Ultrasonic guidance for needle placement15$435$29

2018: 5 services

Original Medicare services billed in 2018
Ultrasonic guidance for needle placement107$3,146$29
Continuous infusion of anesthetic agent and/or steroid into arm nerve bundle through catheter42$2,929$68
Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter29$1,675$58
Injection of anesthetic agent and/or steroid into other nerve or branch22$988$45
Ultrasonic guidance for needle placement19$549$29

2017: 7 services

Original Medicare services billed in 2017
Ultrasonic guidance for needle placement105$3,150$29
Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter51$2,786$54
Continuous infusion of anesthetic agent and/or steroid into arm nerve bundle through catheter31$2,129$69
Insertion of artery tube for blood sampling or infusion through skin17$1,071$45
Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)12$549$46
Ultrasonic guidance for needle placement11$319$29
Ultrasonic guidance for blood vessel access11$218$13

2016: 7 services

Original Medicare services billed in 2016
Anesthesia for procedure for total knee joint replacement13$3,886$259
Continuous infusion of anesthetic agent and/or steroid into arm nerve bundle through catheter29$1,990$69
Ultrasonic guidance for needle placement68$1,928$28
Anesthesia for procedure on gastrointestinal tract using an endoscope18$1,568$87
Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter29$1,516$52
Insertion of artery tube for blood sampling or infusion through skin13$625$45
Ultrasonic guidance for needle placement11$330$30

2015: 6 services

Original Medicare services billed in 2015
Anesthesia for procedure for total knee joint replacement12$3,995$333
Continuous infusion of anesthetic agent and/or steroid into arm nerve bundle through catheter43$2,975$68
Ultrasonic guidance for needle placement97$2,923$30
Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter25$1,514$61
Insertion of artery tube for blood sampling or infusion through skin22$1,028$45
Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus)12$648$54

2014: 7 services

Original Medicare services billed in 2014
Ultrasonic guidance for needle placement158$4,748$30
Continuous infusion of anesthetic agent and/or steroid into arm nerve bundle through catheter53$3,647$69
Anesthesia for procedure for total knee joint replacement13$3,605$277
Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter51$3,129$61
Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus)21$1,254$57
Insertion of artery tube for blood sampling or infusion through skin21$1,025$45
Injection of anesthetic agent and/or steroid into other nerve or branch20$764$33

2013: 5 services

Original Medicare services billed in 2013
Anesthesia for procedure for total knee joint replacement14$4,012$287
Ultrasonic guidance for needle placement124$3,640$28
Continuous infusion of anesthetic agent and/or steroid into arm nerve bundle through catheter37$2,457$66
Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter37$2,215$58
Injection of anesthetic agent and/or steroid into other nerve or branch25$873$35

Money from drug and device companies

$208 in 2024

Industry payments by year
202422None$208
202322None$195
202244None$583
202144None$356
201936None$834

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
Pajunk Medical Systems LPE-Cath Plus Acc. Tsui$161
1 payment
  • Meals for E-Cath Plus Acc. Tsui · 2024-10-20 · $161
Heron TherapeuticsAponvie$46
1 payment
  • Meals for Aponvie · 2024-03-22 · $46
See all 2 published payments
Every published payment
Pajunk Medical Systems LPMeals · 2024-10-20E-Cath Plus Acc. Tsui$161
Heron TherapeuticsMeals · 2024-03-22Aponvie$46
See earlier years (2023, 2022, 2021, 2019)

2023: $195

Payments by company in 2023
GE HealthCareNone$120
1 payment
  • Meals · 2023-10-13 · $120
Heron TherapeuticsZynrelef$75
1 payment
  • Meals for Zynrelef · 2023-04-21 · $75

2022: $583

Payments by company in 2022
Edwards LifesciencesNone$216
1 payment
  • Meals · 2022-06-30 · $216
MasimoSedline$167
1 payment
  • Meals for Sedline · 2022-12-01 · $167
GE HealthCareNone$120
1 payment
  • Meals · 2022-02-16 · $120
Heron TherapeuticsZynrelef$81
1 payment
  • Meals for Zynrelef · 2022-04-01 · $81

2021: $356

Payments by company in 2021
Ge HealthcareNone$121
1 payment
  • Meals · 2021-07-01 · $121
Pacira PharmaceuticalsIovera System$114
1 payment
  • Meals for Iovera System · 2021-03-10 · $114
MasimoSet and Rainbow Set$87
1 payment
  • Meals for Set and Rainbow Set · 2021-05-12 · $87
Avanos MedicalOn-Q* Pump and Accessories$34
1 payment
  • Meals for On-Q* Pump and Accessories · 2021-12-10 · $34

2019: $834

Payments by company in 2019
Pajunk Medical Systems LPNone$462
3 payments
  • Meals · 2019-10-19 · $142
  • Meals · 2019-09-12 · $65
  • Meals · 2019-04-12 · $254
Ge HealthcareNone$283
2 payments
  • Meals · 2019-08-29 · $175
  • Meals · 2019-06-14 · $108
Avanos MedicalOn-Q* Pump and Accessories$89
1 payment
  • Meals for On-Q* Pump and Accessories · 2019-01-22 · $89

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
Pacira Pharmaceuticals Incorporated · A Multicenter, Randomized, Active-Controlled Study To Evaluate the Efficacy and Safety of Exparel When Administered Via Infiltration Into the Transversus Abdominis Plane Versus Standard of Care in Subjects Undergoing Elective Cesarean Section · 2020Their institution$181,258
Pacira Pharmaceuticals Incorporated · A Multicenter, Randomized, Active-Controlled Study To Evaluate the Efficacy and Safety of Exparel When Administered Via Infiltration Into the Transversus Abdominis Plane Versus Standard of Care in Subjects Undergoing Elective Cesarean Section · 2019Their institution$36,048

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
1063457521
Licence
CA C139403, OR MD24728California C139403: Current · expires 2027-08-31
Gender
Male
More record details
Sole proprietor
No
Taxonomy
Federal specialty code 207L00000X (207L00000X)
Mailing address
300 Pasteur Dr, Stanford, CA, 94305
NPI first listed
2006-06-18
NPI last updated
2025-07-11
NPI record certified
2025-07-11

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