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Elizabeth Katherine Koch, MD

Anesthesiology · Stanford

NPI 1023351319

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
2

Offices

2 locations · Stanford Health Care · Anesthesiology Medical Consultants, PLLC

Looking this up.

Hospitals listed: Erie County Medical Center · 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 Dr. Koch’s office to ask if they take your plan before you enroll.

California Medical Board record

Licence A131918 · Current

Licensed to practise in California · since 2014 · expires 2027-09-30 · University of Michigan Medical School.

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.

  • Erie County Medical CenterBuffalo, NYAcute Care Hospital · Voluntary non-profit - Private · Has an emergency departmentPart of The Erie County Medical Center CorporationPatients rate it 3 of 5 · 66% would definitely recommend it
    Overall rating: 2 of 5 starsWorse than the national rate — CMS Medicare PSI 90: Patient safety and adverse events composite: 2.09 (1.73 to 2.44), Jul 2022 – Jun 2024Worse than the national rate — Death rate among surgical inpatients with serious treatable complications: 240.42 (186.17 to 294.68) · 61 cases, Jul 2022 – Jun 2024Worse than the national rate — Perioperative pulmonary embolism or deep vein thrombosis rate: 7.56 (5.45 to 9.68) · 1,324 cases, Jul 2022 – Jun 2024Worse than the national rate — Pressure ulcer rate: 3.69 (2.95 to 4.44) · 3,683 cases, Jul 2022 – Jun 2024Better than the national rate — Catheter Associated Urinary Tract Infections (ICU + select Wards): 0.251, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.331, Oct 2024 – Sep 2025
  • 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 Erie County Medical Center

Behind the star rating — Deaths: 0 better, 4 the same, 1 worse of 5 measures. Safety: 2 better, 4 the same, 1 worse of 7 measures. Readmissions: 0 better, 6 the same, 3 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 Erie County Medical Center
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths2.09 (1.73 to 2.44)WorseJul 2022 – Jun 2024
Death rate among surgical inpatients with serious treatable complicationsComplications and deaths240.42 (186.17 to 294.68) · 61 casesWorseJul 2022 – Jun 2024
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths7.56 (5.45 to 9.68) · 1,324 casesWorseJul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths3.69 (2.95 to 4.44) · 3,683 casesWorseJul 2022 – Jun 2024
Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections0.251BetterOct 2024 – Sep 2025
Clostridium Difficile (C.Diff)Infections0.331BetterOct 2024 – Sep 2025
Abdominopelvic accidental puncture or laceration rateComplications and deaths0.95 (0 to 1.98) · 622 casesNo differentJul 2022 – Jun 2024
Death rate for COPD patientsComplications and deaths11 · 76 casesNoneJul 2022 – Jun 2025
Death rate for heart failure patientsComplications and deaths10.1 · 97 casesNoneJul 2022 – Jun 2025
Death rate for pneumonia patientsComplications and deaths12.9 · 99 casesNoneJul 2022 – Jun 2025
Death rate for stroke patientsComplications and deaths11 · 60 casesNoneJul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths4.1 · 2,453 casesNoneJul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths0.24 (0.02 to 0.46) · 4,295 casesNo differentJul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths0.27 (0.07 to 0.47) · 3,906 casesNo differentJul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths1.57 (0 to 3.25) · 402 casesNo differentJul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths3.56 (2.1 to 5.02) · 1,327 casesNo differentJul 2022 – Jun 2024
Postoperative respiratory failure rateComplications and deaths11.09 (3.14 to 19.05) · 462 casesNo differentJul 2022 – Jun 2024
Postoperative sepsis rateComplications and deaths4.22 (0.32 to 8.12) · 433 casesNo differentJul 2022 – Jun 2024
Postoperative wound dehiscence rateComplications and deaths2.3 (0.82 to 3.78) · 208 casesNo differentJul 2022 – Jun 2024
Rate of complications for hip/knee replacement patientsComplications and deaths4 · 128 casesNoneApr 2023 – Mar 2025
Central Line Associated Bloodstream Infection (ICU + select Wards)Infections0.641No differentOct 2024 – Sep 2025
MRSA BacteremiaInfections0.665No differentOct 2024 – Sep 2025
SSI - Colon SurgeryInfections0.506No differentOct 2024 – Sep 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits21.5 · 282 casesNoneJul 2023 – Jun 2025
Hospital return days for heart failure patientsUnplanned return visits45.9 · 113 casesNoneJul 2022 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits55.9 · 98 casesNoneJul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits18.1 · 200 casesNoneJul 2023 – Jun 2025
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits5.2 (3.4 to 8) · 33 casesNo differentJan 2024 – Dec 2024
Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits11.5 (8.5 to 15.6) · 33 casesNo differentJan 2024 – Dec 2024
Rate of readmission after hip/knee replacementUnplanned return visits5 · 125 casesNoneJul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits19 · 260 casesNoneJul 2023 – Jun 2025
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits12.4 (9.1 to 16.7) · 119 casesNo differentJan 2022 – Dec 2024
Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits1.1 (0.8 to 1.4) · 305 casesNo differentJan 2024 – Dec 2024

What patients said (1,060 patients answered, 20% of those asked)

Patient survey stars by topic at Erie County Medical Center
Cleanliness2
Nurse communication3
Doctor communication2
Communication about medicines2
Discharge information3
Overall hospital rating3
Quietness2
Recommend hospital3
Share of patients giving the best answer at Erie County Medical Center
Room was "always" clean61%
Nurses "always" communicated well78%
Doctors "always" communicated well72%
Staff "always" explained59%
Yes, staff "did" give patients this information87%
Yes, staff "did" give patients information about help after discharge86%
Doctors "always" explained things so they could understand66%
Doctors "always" listened carefully70%
Doctors "always" treated them with courtesy and respect80%
Patients who gave a rating of "9" or "10" (high)66%
Staff "always" explained new medications71%
Nurses "always" explained things so they could understand75%
Nurses "always" listened carefully74%
Nurses "always" treated them with courtesy and respect85%
"Always" quiet at night43%
"YES", patients would definitely recommend the hospital66%
Staff "always" explained possible side effects46%
Yes, staff "did" give patients information about possible symptoms88%
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

$15,199

Medicare paid this office $15,199 for 123 people.

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

Largest Original Medicare bills
Anesthesia for lens surgery14$756$50

Who their Medicare patients are

123 Original Medicare patients in 2024. Average age 66 · Under 65 31% · Women 55% · Also on Medicaid 40% · Health risk score 1.87. Above the middle of the specialty; the typical anesthesiology clinician is at 1.54.

Conditions among them: High blood pressure 73% · Depression 44% · Diabetes 36% · Chronic kidney disease 36% · Coronary heart disease 29% · Heart failure 24% · COPD 23% · Cancer 16% · Atrial fibrillation 16%.

The office billed $111,713, Medicare allowed $18,975 and paid $15,199; for 145 services of 46 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
2024123145661.87$111,713$15,199
2023138160662.18$131,198$17,764
2022142170661.96$136,178$17,993
2021149184642.99$122,413$20,738
2020116135681.95$154,211$20,116
2019196219721.53$432,756$51,023
2018131146701.78$268,873$29,963
201797119691.97$198,900$23,542

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
Anesthesia for other procedure on mouth11$1,459$133
Anesthesia for lens surgery13$699$54

2022: 1 service

Original Medicare services billed in 2022
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope11$710$65

2021: 3 services

Original Medicare services billed in 2021
Anesthesia for procedure for total knee joint replacement12$1,680$140
Anesthesia for other procedure on lower leg, ankle, and foot bones11$1,105$100
Ultrasonic guidance for needle placement13$321$25

2019: 4 services

Original Medicare services billed in 2019
Anesthesia for extensive surgery on spine24$11,084$462
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope16$1,786$112
Anesthesia for other procedure on large bowel using an endoscope14$1,782$127
Insertion of artery tube for blood sampling or infusion through skin22$861$39

2018: 1 service

Original Medicare services billed in 2018
Insertion of artery tube for blood sampling or infusion through skin12$465$39

2017: 2 services

Original Medicare services billed in 2017
Anesthesia for procedure on gastrointestinal tract using an endoscope12$1,516$126
Insertion of artery tube for blood sampling or infusion through skin14$625$45

Money from drug and device companies

$17 in 2024

Industry payments by year
202411None$17
202011None$124

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
Merck Sharp & DohmeBridion$17
1 payment
  • Meals for Bridion · 2024-04-18 · $17
See the published payment
Every published payment
Merck Sharp & DohmeMeals · 2024-04-18Bridion$17
See earlier years (2020)

2020: $124

Payments by company in 2020
AcelRx PharmaceuticalsDsuvia$124
1 payment
  • Meals for Dsuvia · 2020-01-16 · $124

Checkups this office reported

Medicare did not publish checkup rates for this clinician.

Medicare’s overall office score
90.0 / 100
Scores the office’s reporting and systems. It is not a grade for how the doctor treats you.

Professional record

NPI
1023351319
Licence
CA A131918, NY 303329-01California A131918: Current · expires 2027-09-30
Trained
University of Michigan Medical School, 2013
Group
Stanford Health Care · Anesthesiology Medical Consultants, PLLC
Gender
Female
More record details
Sole proprietor
No
Taxonomy
Federal specialty code 207L00000X (207L00000X)
Mailing address
300 Pasteur Dr, Stanford, CA, 94305
NPI first listed
2013-04-04
NPI last updated
2025-10-27
NPI record certified
2025-10-27

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

Extra NPI addresses: 462 Grider St, Buffalo, NY, 14215