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Steven T Wai, MD

Anesthesiology · Santa Cruz

NPI 1750346508

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
Not verified
Not the same as out of network.
Office
1

Offices

1 location · Anesthesia Medical Group of Santa Cruz Inc · 19 clinicians in this group

Looking this up.

Hospitals listed: Dominican 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. Wai’s office at (831) 462-7700 to ask if they take your plan before you enroll.

California Medical Board record

Licence G66147 · Current

Licensed to practise in California · since 1989 · expires 2028-08-31 · Tufts University 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.

  • Dominican HospitalSanta Cruz, CAAcute Care Hospital · Voluntary non-profit - Private · Has an emergency department · Birthing-friendlyPart of CommonSpirit Health, which runs 145 hospitals in 19 statesPatients rate it 4 of 5 · 68% would definitely recommend it
    Overall rating: 4 of 5 starsWorse than the national rate — Postoperative sepsis rate: 11.66 (8.02 to 15.3) · 412 cases, Jul 2022 – Jun 2024Better than the national rate — Catheter Associated Urinary Tract Infections (ICU + select Wards): 0.168, Oct 2024 – Sep 2025Better than the national rate — Central Line Associated Bloodstream Infection (ICU + select Wards): 0.169, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.489, Oct 2024 – Sep 2025
See every measure and the patient survey for Dominican Hospital

Behind the star rating — Deaths: 1 better, 7 the same, 0 worse of 8 measures. Safety: 2 better, 5 the same, 0 worse of 7 measures. Readmissions: 1 better, 8 the same, 2 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 Dominican Hospital
Postoperative sepsis rateComplications and deaths11.66 (8.02 to 15.3) · 412 casesWorseJul 2022 – Jun 2024
Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections0.168BetterOct 2024 – Sep 2025
Central Line Associated Bloodstream Infection (ICU + select Wards)Infections0.169BetterOct 2024 – Sep 2025
Clostridium Difficile (C.Diff)Infections0.489BetterOct 2024 – Sep 2025
Abdominopelvic accidental puncture or laceration rateComplications and deaths1.01 (0.06 to 1.95) · 1,248 casesNo differentJul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths1.14 (0.85 to 1.43)No differentJul 2022 – Jun 2024
Death rate among surgical inpatients with serious treatable complicationsComplications and deaths134.37 (94.33 to 174.41) · 132 casesNo differentJul 2022 – Jun 2024
Death rate for CABG surgery patientsComplications and deaths2.4 · 54 casesNoneJul 2022 – Jun 2025
Death rate for COPD patientsComplications and deaths7.2 · 137 casesNoneJul 2022 – Jun 2025
Death rate for heart attack patientsComplications and deaths12 · 228 casesNoneJul 2022 – Jun 2025
Death rate for heart failure patientsComplications and deaths10.5 · 534 casesNoneJul 2022 – Jun 2025
Death rate for pneumonia patientsComplications and deaths12.8 · 491 casesNoneJul 2022 – Jun 2025
Death rate for stroke patientsComplications and deaths8.7 · 278 casesNoneJul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths3.4 · 2,973 casesNoneJul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths0.14 (0 to 0.34) · 7,510 casesNo differentJul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths0.21 (0.02 to 0.4) · 7,695 casesNo differentJul 2022 – Jun 2024
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths3.42 (1.44 to 5.4) · 1,594 casesNo differentJul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths1.26 (0 to 2.76) · 436 casesNo differentJul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths1.85 (0.4 to 3.29) · 1,474 casesNo differentJul 2022 – Jun 2024
Postoperative respiratory failure rateComplications and deaths8.73 (3 to 14.46) · 437 casesNo differentJul 2022 – Jun 2024
Postoperative wound dehiscence rateComplications and deaths1.58 (0.13 to 3.03) · 343 casesNo differentJul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths0.57 (0 to 1.17) · 6,336 casesNo differentJul 2022 – Jun 2024
MRSA BacteremiaInfections0.615No differentOct 2024 – Sep 2025
SSI - Colon SurgeryInfections1.937No differentOct 2024 – Sep 2025
Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits16 · 212 casesNoneJul 2023 – Jun 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits22 · 505 casesNoneJul 2023 – Jun 2025
Hospital return days for heart attack patientsUnplanned return visits45 · 237 casesNoneJul 2022 – Jun 2025
Hospital return days for heart failure patientsUnplanned return visits-13.5 · 594 casesNoneJul 2022 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits1.9 · 510 casesNoneJul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits16.9 · 473 casesNoneJul 2023 – Jun 2025
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits5.2 (3.4 to 7.8) · 126 casesNo differentJan 2024 – Dec 2024
Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits13 (9.4 to 17.7) · 126 casesNo differentJan 2024 – Dec 2024
Rate of readmission for CABGUnplanned return visits12.7 · 43 casesNoneJul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits19.7 · 143 casesNoneJul 2023 – Jun 2025
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits12.1 (9.4 to 15.4) · 1,585 casesNo differentJan 2022 – Dec 2024
Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits1 (0.7 to 1.3) · 390 casesNo differentJan 2024 – Dec 2024

What patients said (774 patients answered, 23% of those asked)

Patient survey stars by topic at Dominican Hospital
Cleanliness4
Nurse communication4
Doctor communication4
Communication about medicines3
Discharge information4
Overall hospital rating3
Quietness1
Recommend hospital4
Share of patients giving the best answer at Dominican Hospital
Room was "always" clean73%
Nurses "always" communicated well79%
Doctors "always" communicated well81%
Staff "always" explained61%
Yes, staff "did" give patients this information87%
Yes, staff "did" give patients information about help after discharge86%
Doctors "always" explained things so they could understand77%
Doctors "always" listened carefully79%
Doctors "always" treated them with courtesy and respect87%
Patients who gave a rating of "9" or "10" (high)67%
Staff "always" explained new medications75%
Nurses "always" explained things so they could understand76%
Nurses "always" listened carefully76%
Nurses "always" treated them with courtesy and respect85%
"Always" quiet at night32%
"YES", patients would definitely recommend the hospital68%
Staff "always" explained possible side effects48%
Yes, staff "did" give patients information about possible symptoms88%

Original Medicare doctor bills

$65,558

Medicare paid this office $65,558 for 335 people.

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

Largest Original Medicare bills
Anesthesia for other procedure on upper abdomen16$5,363$335
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope35$4,385$122
Anesthesia for other procedure on large bowel using an endoscope37$4,111$111
Anesthesia for other procedure on lower abdomen11$3,438$286
Anesthesia for procedure on upper 2/3rd of thigh bone11$2,811$256
See all 14 services
Every Original Medicare service billed
Anesthesia for other procedure on upper abdomen16$5,363$335
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope35$4,385$122
Anesthesia for other procedure on large bowel using an endoscope37$4,111$111
Anesthesia for other procedure on lower abdomen11$3,438$286
Anesthesia for procedure on upper 2/3rd of thigh bone11$2,811$256
Anesthesia for exam of colon using an endoscope20$2,425$121
Anesthesia for procedure on small and large bowel using an endoscope15$2,175$145
Anesthesia for other procedure on urinary system through urethra13$1,535$118
Anesthesia for procedure to correct abnormal heart rhythm15$1,429$89
Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus)15$784$52
Insertion of artery tube for blood sampling or infusion through skin22$756$34
Injection of anesthetic agent and/or steroid into other nerve or branch12$409$34
Ultrasonic guidance for needle placement16$387$24
Ultrasonic guidance for blood vessel access23$272$11

Who their Medicare patients are

335 Original Medicare patients in 2024. Average age 75 · Under 65 6% · 85 and older 14% · Women 56% · Also on Medicaid 24% · Health risk score 1.65. Above the middle of the specialty; the typical anesthesiology clinician is at 1.54.

Conditions among them: High blood pressure 75% · Atrial fibrillation 33% · Diabetes 29% · Coronary heart disease 28% · Chronic kidney disease 27% · Depression 27% · Heart failure 26% · Cancer 20% · COPD 18% · Stroke 7% · Dementia 6%.

The office billed $520,781, Medicare allowed $81,742 and paid $65,558; for 458 services of 75 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
2024335458751.65$520,781$65,558
2023268386751.61$426,648$56,326
2022282407761.58$391,194$55,372
20217397741.61$122,010$19,152
202090116751.75$142,440$22,410
2019107133731.87$159,210$25,114
2018146178742.04$215,350$34,171
2017161192742.13$238,440$36,736
2016155171731.89$221,020$35,182
2015135162722.23$213,840$33,802
2014169202741.77$268,890$42,481
2013187230741.84$292,200$46,152

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: 9 services

Original Medicare services billed in 2023
Anesthesia for other procedure on large bowel using an endoscope26$3,094$115
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope23$3,020$126
Anesthesia for procedure on small and large bowel using an endoscope15$2,277$152
Anesthesia for procedure to correct abnormal heart rhythm19$1,889$94
Anesthesia for removal of urinary bladder tumors including use of an endoscope11$1,732$157
Insertion of artery tube for blood sampling or infusion through skin25$892$36
Injection of anesthetic agent and/or steroid into other nerve or branch13$454$35
Ultrasonic guidance for needle placement18$451$25
Ultrasonic guidance for blood vessel access25$296$11

2022: 11 services

Original Medicare services billed in 2022
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope44$5,817$132
Anesthesia for other procedure on lower abdomen18$5,300$279
Anesthesia for other procedure on upper abdomen18$5,232$291
Anesthesia for other procedure on large bowel using an endoscope26$3,403$131
Anesthesia for procedure on small and large bowel using an endoscope17$2,640$147
Anesthesia for procedure to correct abnormal heart rhythm23$2,375$99
Insertion of artery tube for blood sampling or infusion through skin24$877$37
Daily hospital management of continuous spinal drug administration13$798$53
Ultrasonic guidance for needle placement26$675$26
Injection of anesthetic agent and/or steroid into other nerve or branch16$538$32
Ultrasonic guidance for blood vessel access23$299$12

2020: 1 service

Original Medicare services billed in 2020
Anesthesia for other procedure on lower leg, ankle, and foot bones15$2,105$140

2019: 2 services

Original Medicare services billed in 2019
Anesthesia for other procedure on upper abdomen14$3,829$274
Anesthesia for other procedure on lower leg, ankle, and foot bones18$2,669$148

2018: 4 services

Original Medicare services billed in 2018
Anesthesia for other procedure on upper abdomen13$4,382$337
Anesthesia for procedure for total knee joint replacement11$3,287$299
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope16$2,270$142
Anesthesia for other procedure on lower leg, ankle, and foot bones14$1,931$138

2017: 2 services

Original Medicare services billed in 2017
Anesthesia for other procedure on upper abdomen20$6,065$276
Anesthesia for other procedure on lower leg, ankle, and foot bones12$2,105$175

2016: 4 services

Original Medicare services billed in 2016
Anesthesia for other procedure on upper abdomen17$5,009$295
Anesthesia for other procedure on hip joint12$3,247$271
Anesthesia for procedure on lower intestine using an endoscope17$2,659$156
Anesthesia for other procedure on skin of arms, legs, and front body12$1,846$142

2015: 2 services

Original Medicare services billed in 2015
Anesthesia for other procedure on upper abdomen17$5,025$296
Anesthesia for procedure on gastrointestinal tract using an endoscope11$2,192$169

2014: 7 services

Original Medicare services billed in 2014
Anesthesia for other procedure on upper abdomen15$4,466$298
Anesthesia for procedure for total knee joint replacement11$3,461$315
Anesthesia for other procedure on hip joint11$2,649$241
Anesthesia for placement or revision of blood flow shunt11$2,583$235
Anesthesia for procedure on gastrointestinal tract using an endoscope12$2,021$168
Anesthesia for lens surgery14$1,927$120
Injections of substances into lower or sacral spine12$747$62

2013: 5 services

Original Medicare services billed in 2013
Anesthesia for other procedure on upper abdomen22$6,735$306
Anesthesia for procedure on gastrointestinal tract using an endoscope30$4,664$155
Anesthesia for insertion of permanent heart pacemaker16$3,627$227
Anesthesia for procedure on lower intestine using an endoscope12$1,960$163
Injections of substances into lower or sacral spine18$1,395$78

Money from drug and device companies

$122 in 2025

Industry payments by year
202511None$122
202322None$246
202011None$124
201944None$322

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
Lilly USAMounjaro$122
1 payment
  • Meals for Mounjaro · 2025-08-06 · $122
See the published payment
Every published payment
Lilly USAMeals · 2025-08-06Mounjaro$122
See earlier years (2023, 2020, 2019)

2023: $246

Payments by company in 2023
Mayne Pharma CommercialNextstellis$125
1 payment
  • Meals for Nextstellis · 2023-04-26 · $125
Chiesi USACleviprex$121
1 payment
  • Meals for Cleviprex · 2023-09-20 · $121

2020: $124

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

2019: $322

Payments by company in 2019
Merck Sharp & DohmeBridion$125
1 payment
  • Meals for Bridion · 2019-08-13 · $125
AcelRx PharmaceuticalsDsuvia$120
1 payment
  • Meals for Dsuvia · 2019-10-16 · $120
Scilex PharmaceuticalsZtlido 30 Pouch in 1 Carton 1 Patch in 1 Pouch$61
1 payment
  • Meals for Ztlido 30 Pouch in 1 Carton 1 Patch in 1 Pouch · 2019-04-13 · $61
Emergent BioSolutionsNarcan$15
1 payment
  • Meals for Narcan · 2019-04-13 · $15

Professional record

NPI
1750346508
Licence
CA G66147California G66147: Current · expires 2028-08-31
Trained
Tufts University School of Medicine, 1983
Gender
Male
More record details
Sole proprietor
Yes
Medicaid ID
CA 00G661470
Taxonomy
Federal specialty code 207L00000X (207L00000X); Federal specialty code 207LP2900X (207LP2900X)
Mailing address
210 N Tustin Ave, Santa Ana, CA, 92705
NPI first listed
2006-04-17
NPI last updated
2015-09-03

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