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Terri Ellen Bouskos, CNA

Certified Registered Nurse Anesthetist (Crna) · Stanford

NPI 1902202773

Medicare standing
1 flag on the record
Listed below.
Plans that list them
Not verified
Not the same as out of network.
Office
1

On the public record

  • Medicare does not list them as allowed to order and refer

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.

Plan participation

Not verified

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

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

$39,575

Medicare paid this office $39,575 for 436 people.

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

Largest Original Medicare bills
Anesthesia for lens surgery239$16,190$63
Anesthesia for other procedure on eye78$7,418$88
Anesthesia for retinal surgery24$3,215$134
Anesthesia for procedure on eye for corneal transplant22$3,020$131
Anesthesia for procedure on eyelid22$2,072$94

Who their Medicare patients are

436 Original Medicare patients in 2024. Average age 75 · Under 65 4% · 85 and older 11% · Women 59% · Also on Medicaid 27% · Health risk score 1.38. At or below the middle of the specialty; the typical certified registered nurse anesthetist (crna) clinician is at 1.45.

Conditions among them: High blood pressure 68% · Diabetes 36% · Coronary heart disease 23% · Chronic kidney disease 22% · Cancer 17% · Heart failure 16% · Atrial fibrillation 16% · Depression 13% · COPD 8% · Stroke 7% · Dementia 5%.

The office billed $599,230, Medicare allowed $49,761 and paid $39,575; for 464 services of 33 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
2024436464751.38$599,230$39,575
2023301328751.32$381,671$26,096
2022400431751.13$538,113$38,903
2021162166741.43$250,266$19,160
2020307315751.51$521,805$40,325
2019194195731.46$301,197$22,750
2018341355731.45$576,499$43,654
2017155161712.18$239,799$21,808
2016161172721.96$180,468$21,952
2015150158721.84$280,027$22,517

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: 4 services

Original Medicare services billed in 2023
Anesthesia for lens surgery170$11,525$60
Anesthesia for other procedure on eye43$4,194$93
Anesthesia for procedure on eyelid25$2,079$83
Anesthesia for retinal surgery16$1,885$118

2022: 5 services

Original Medicare services billed in 2022
Anesthesia for lens surgery235$17,114$66
Anesthesia for other procedure on eye54$5,294$96
Anesthesia for retinal surgery30$3,841$128
Anesthesia for procedure on eye for corneal transplant14$1,661$119
Anesthesia for procedure on eyelid15$1,396$93

2021: 2 services

Original Medicare services billed in 2021
Anesthesia for lens surgery73$5,733$75
Anesthesia for other procedure on eye18$2,219$123

2020: 5 services

Original Medicare services billed in 2020
Anesthesia for lens surgery129$9,582$72
Anesthesia for procedure on heart and large blood vessels26$6,595$254
Anesthesia for other procedure on eye43$5,566$126
Anesthesia for retinal surgery13$1,814$140
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope16$1,509$94

2019: 3 services

Original Medicare services billed in 2019
Anesthesia for lens surgery90$6,400$70
Anesthesia for other procedure on eye22$2,346$107
Anesthesia for retinal surgery15$1,634$109

2018: 5 services

Original Medicare services billed in 2018
Anesthesia for lens surgery108$8,123$71
Anesthesia for other procedure on eye52$5,875$109
Anesthesia for procedure on heart and large blood vessels23$5,459$237
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope44$4,157$94
Anesthesia for retinal surgery22$2,738$114

2017: 3 services

Original Medicare services billed in 2017
Anesthesia for lens surgery33$2,293$69
Anesthesia for procedure on gastrointestinal tract using an endoscope16$1,324$83
Anesthesia for procedure on lower intestine using an endoscope11$993$90

2016: 3 services

Original Medicare services billed in 2016
Anesthesia for procedure on lower intestine using an endoscope23$1,929$84
Anesthesia for procedure on gastrointestinal tract using an endoscope25$1,870$75
Insertion of artery tube for blood sampling or infusion through skin11$507$46

2015: 5 services

Original Medicare services billed in 2015
Anesthesia for other procedure on lower abdomen11$1,863$169
Anesthesia for procedure on gastrointestinal tract using an endoscope14$1,163$78
Anesthesia for removal of urinary bladder tumors including use of an endoscope14$1,121$80
Anesthesia for procedure on lower intestine using an endoscope11$900$82
Anesthesia for other procedure on urinary system through urethra11$719$65

Medicaid work

$8,170 in 2024

Medicaid paid $8,170 for 118 billed services this clinician did in 2024, up to 27 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
Anesthesia for procedures on eye; lens surgery118$8,170
Medicaid work by year
2024118127$8,170
202366117$3,706
202265118$3,269
201929117$1,341
See the largest Medicaid services in earlier years

2023

Largest Medicaid services in 2023
Anesthesia for procedures on eye; lens surgery66$3,706

2022

Largest Medicaid services in 2022
Anesthesia for procedures on eye; lens surgery65$3,269

2019

Largest Medicaid services in 2019
Anesthesia for procedures on eye; lens surgery29$1,341

Money from drug and device companies

$89 in 2025

A payment is not proof that care is biased.

Payments by company
Chiesi USACleviprex$89
1 payment
  • Meals for Cleviprex · 2025-05-15 · $89
See the published payment
Every published payment
Chiesi USAMeals · 2025-05-15Cleviprex$89

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
1902202773
Licence
CA 95000655
Gender
Female
More record details
Sole proprietor
No
Taxonomy
Federal specialty code 367500000X (367500000X)
Mailing address
300 Pasteur Dr, Stanford, CA, 94305
NPI first listed
2014-11-06
NPI last updated
2022-09-09
NPI record certified
2022-09-09

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