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Michael William Block, MD

Anesthesiology · San Jose

NPI 1710306709

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 · G2 Anesthesia PC · 104 clinicians in this group

Looking this up.

Hospitals listed: Good Samaritan 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. Block’s office at (408) 559-2011 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.

  • Good Samaritan HospitalSan Jose, CAAcute Care Hospital · Proprietary · Has an emergency department · Birthing-friendlyPart of HCA Healthcare, which runs 185 hospitals in 19 statesPatients rate it 2 of 5 · 67% would definitely recommend it
    Overall rating: 2 of 5 starsBetter than the national rate — Clostridium Difficile (C.Diff): 0.337, Oct 2024 – Sep 2025
See every measure and the patient survey for Good Samaritan Hospital

Behind the star rating — Deaths: 0 better, 8 the same, 0 worse of 8 measures. Safety: 1 better, 6 the same, 1 worse of 8 measures. Readmissions: 0 better, 5 the same, 4 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 Good Samaritan Hospital
Clostridium Difficile (C.Diff)Infections0.337BetterOct 2024 – Sep 2025
Abdominopelvic accidental puncture or laceration rateComplications and deaths0.75 (0 to 1.67) · 1,340 casesNo differentJul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths0.84 (0.54 to 1.14)No differentJul 2022 – Jun 2024
Death rate among surgical inpatients with serious treatable complicationsComplications and deaths143.59 (98.7 to 188.49) · 98 casesNo differentJul 2022 – Jun 2024
Death rate for CABG surgery patientsComplications and deaths1.7 · 45 casesNoneJul 2022 – Jun 2025
Death rate for COPD patientsComplications and deaths7.1 · 100 casesNoneJul 2022 – Jun 2025
Death rate for heart attack patientsComplications and deaths12.7 · 270 casesNoneJul 2022 – Jun 2025
Death rate for heart failure patientsComplications and deaths11.3 · 573 casesNoneJul 2022 – Jun 2025
Death rate for pneumonia patientsComplications and deaths15.6 · 820 casesNoneJul 2022 – Jun 2025
Death rate for stroke patientsComplications and deaths8.5 · 482 casesNoneJul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths3.3 · 3,711 casesNoneJul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths0.12 (0 to 0.3) · 8,866 casesNo differentJul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths0.2 (0.01 to 0.38) · 9,051 casesNo differentJul 2022 – Jun 2024
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths2.65 (0.74 to 4.56) · 1,929 casesNo differentJul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths1.8 (0.21 to 3.39) · 670 casesNo differentJul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths2.33 (0.88 to 3.78) · 1,836 casesNo differentJul 2022 – Jun 2024
Postoperative respiratory failure rateComplications and deaths6.73 (0 to 13.46) · 669 casesNo differentJul 2022 – Jun 2024
Postoperative sepsis rateComplications and deaths7.58 (3.96 to 11.19) · 654 casesNo differentJul 2022 – Jun 2024
Postoperative wound dehiscence rateComplications and deaths1.59 (0.13 to 3.04) · 496 casesNo differentJul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths0.27 (0 to 0.87) · 7,373 casesNo differentJul 2022 – Jun 2024
Rate of complications for hip/knee replacement patientsComplications and deaths4.1 · 152 casesNoneApr 2023 – Mar 2025
Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections1.08No differentOct 2024 – Sep 2025
Central Line Associated Bloodstream Infection (ICU + select Wards)Infections0.542No differentOct 2024 – Sep 2025
MRSA BacteremiaInfections0.484No differentOct 2024 – Sep 2025
SSI - Colon SurgeryInfections1.565No differentOct 2024 – Sep 2025
Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits15.8 · 327 casesNoneJul 2023 – Jun 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits24.2 · 703 casesNoneJul 2023 – Jun 2025
Hospital return days for heart attack patientsUnplanned return visits61.1 · 289 casesNoneJul 2022 – Jun 2025
Hospital return days for heart failure patientsUnplanned return visits36.3 · 665 casesNoneJul 2022 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits25.4 · 856 casesNoneJul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits19 · 978 casesNoneJul 2023 – Jun 2025
Rate of readmission after hip/knee replacementUnplanned return visits6.3 · 144 casesNoneJul 2023 – Jun 2025
Rate of readmission for CABGUnplanned return visits12.3 · 46 casesNoneJul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits21.2 · 135 casesNoneJul 2023 – Jun 2025
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits13.8 (10.1 to 18.6) · 129 casesNo differentJan 2022 – Dec 2024
Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits1.2 (0.9 to 1.5) · 531 casesNo differentJan 2024 – Dec 2024

What patients said (704 patients answered, 24% of those asked)

Patient survey stars by topic at Good Samaritan Hospital
Cleanliness3
Nurse communication3
Doctor communication2
Communication about medicines2
Discharge information3
Overall hospital rating2
Quietness1
Recommend hospital3
Share of patients giving the best answer at Good Samaritan Hospital
Room was "always" clean66%
Nurses "always" communicated well75%
Doctors "always" communicated well71%
Staff "always" explained54%
Yes, staff "did" give patients this information83%
Yes, staff "did" give patients information about help after discharge81%
Doctors "always" explained things so they could understand66%
Doctors "always" listened carefully69%
Doctors "always" treated them with courtesy and respect78%
Patients who gave a rating of "9" or "10" (high)63%
Staff "always" explained new medications68%
Nurses "always" explained things so they could understand69%
Nurses "always" listened carefully73%
Nurses "always" treated them with courtesy and respect82%
"Always" quiet at night38%
"YES", patients would definitely recommend the hospital67%
Staff "always" explained possible side effects40%
Yes, staff "did" give patients information about possible symptoms86%

Original Medicare doctor bills

$46,399

Medicare paid this office $46,399 for 210 people.

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

Largest Original Medicare bills
Anesthesia for x-ray on artery of brain, heart, or chest16$4,595$287
Anesthesia for other procedure on large bowel using an endoscope25$3,146$126
Anesthesia for lens surgery28$2,990$107
Anesthesia for retinal surgery11$2,100$191
Insertion of artery tube for blood sampling or infusion through skin25$937$37
See all 6 services
Every Original Medicare service billed
Anesthesia for x-ray on artery of brain, heart, or chest16$4,595$287
Anesthesia for other procedure on large bowel using an endoscope25$3,146$126
Anesthesia for lens surgery28$2,990$107
Anesthesia for retinal surgery11$2,100$191
Insertion of artery tube for blood sampling or infusion through skin25$937$37
Ultrasonic guidance for blood vessel access14$179$12

Who their Medicare patients are

210 Original Medicare patients in 2024. Average age 76 · Women 50% · Also on Medicaid 18% · Health risk score 1.58. Above the middle of the specialty; the typical anesthesiology clinician is at 1.54.

Conditions among them: High blood pressure 75% · Diabetes 42% · Atrial fibrillation 39% · Coronary heart disease 38% · Heart failure 28% · Chronic kidney disease 26% · Cancer 20% · COPD 19% · Stroke 16% · Depression 15% · Dementia 10%.

The office billed $712,270, Medicare allowed $58,602 and paid $46,399; for 291 services of 63 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
2024210291761.58$712,270$46,399
2023222309751.48$583,940$49,043
2022267420761.44$794,094$67,243
2021218336751.34$619,571$52,889
2020211297751.42$561,022$49,363
2019114215751.51$367,517$35,543

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: 7 services

Original Medicare services billed in 2023
Anesthesia for other procedure on large bowel using an endoscope36$4,123$115
Anesthesia for lens surgery24$2,856$119
Anesthesia for retinal surgery13$2,362$182
Anesthesia for procedure on small and large bowel using an endoscope17$2,244$132
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope17$2,021$119
Anesthesia for x-ray or radiation therapy11$1,900$173
Insertion of artery tube for blood sampling or infusion through skin22$839$38

2022: 12 services

Original Medicare services billed in 2022
Anesthesia for other procedure on large bowel using an endoscope47$6,159$131
Anesthesia for lens surgery36$4,499$125
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope23$2,686$117
Anesthesia for procedure on small and large bowel using an endoscope14$1,869$133
Anesthesia for x-ray or radiation therapy12$1,866$156
Ultrasound of heart with probe in esophagus, with report14$1,371$98
Insertion of non-tunneled central venous tube for infusion (5 years or older)17$1,250$74
Insertion of tube in pulmonary artery for monitoring13$995$77
Insertion of artery tube for blood sampling or infusion through skin23$921$38
Ultrasonic guidance for needle placement16$444$28
Ultrasonic guidance for blood vessel access21$256$12
Ultrasound of heart blood flow, valves and chambers14$229$16

2021: 10 services

Original Medicare services billed in 2021
Anesthesia for procedure to assess heart electrical activity14$6,331$452
Anesthesia for other procedure on large bowel using an endoscope42$5,856$139
Anesthesia for lens surgery28$3,498$125
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope18$2,165$120
Anesthesia for procedure on small and large bowel using an endoscope13$1,843$142
Insertion of artery tube for blood sampling or infusion through skin17$669$39
Ultrasonic guidance for needle placement17$481$28
Ultrasound of heart blood flow, valves and chambers11$184$17
Ultrasonic guidance for blood vessel access11$138$13
Ultrasound of heart with color-depicted blood flow, rate and valve function11$32$3

2020: 5 services

Original Medicare services billed in 2020
Anesthesia for lens surgery44$5,370$122
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope20$2,960$141
Anesthesia for other procedure on large bowel using an endoscope19$2,649$139
Insertion of artery tube for blood sampling or infusion through skin16$637$40
Ultrasonic guidance for blood vessel access14$184$13

2019: 3 services

Original Medicare services billed in 2019
Ultrasound of heart with probe in esophagus, with report13$1,286$99
Insertion of artery tube for blood sampling or infusion through skin17$665$39
Ultrasonic guidance for blood vessel access16$244$13

Money from drug and device companies

$124 in 2025

Industry payments by year
202511None$124
202422None$172
202322None$273

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
Pacira PharmaceuticalsExparel$124
1 payment
  • Meals for Exparel · 2025-10-21 · $124
See the published payment
Every published payment
Pacira PharmaceuticalsMeals · 2025-10-21Exparel$124
See earlier years (2024, 2023)

2024: $172

Payments by company in 2024
Fisher & Paykel HealthcareFisher & Paykel Healthcare$123
1 payment
  • Meals for Fisher & Paykel Healthcare · 2024-07-23 · $123
AbiomedImpella$49
1 payment
  • Meals for Impella · 2024-11-19 · $49

2023: $273

Payments by company in 2023
GE HealthCareNone$156
1 payment
  • Meals · 2023-11-01 · $156
Edwards LifesciencesHemosphere$117
1 payment
  • Meals for Hemosphere · 2023-06-29 · $117

Professional record

NPI
1710306709
Licence
PA MT207226
Trained
Georgetown University School of Medicine, 2014
Gender
Male
More record details
Sole proprietor
Yes
Taxonomy
Federal specialty code 207L00000X (207L00000X)
Mailing address
20354 Glen Brae Dr, Saratoga, CA, 95070
NPI first listed
2014-04-07
NPI last updated
2016-02-10

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