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Yousun Chung, MD

Anesthesiology · Los Gatos

NPI 1578875498

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 · El Camino Anesthesia · 61 clinicians in this group

Looking this up.

Hospitals listed: El Camino Health. 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. Chung’s office at (408) 378-6131 to ask if they take your plan before you enroll.

California Medical Board record

Licence A132391 · Current

Licensed to practise in California · since 2014 · expires 2028-07-31 · Boston 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.

  • El Camino HealthMountain View, CAAcute Care Hospital · Government - Hospital District or Authority · Has an emergency department · Birthing-friendlyPart of El Camino Health, which runs 2 hospitalsPatients rate it 4 of 5 · 80% would definitely recommend it
    Overall rating: 4 of 5 starsBetter than the national rate — Central Line Associated Bloodstream Infection (ICU + select Wards): 0.291, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.393, Oct 2024 – Sep 2025Better than the national rate — MRSA Bacteremia: 0, Oct 2024 – Sep 2025
See every measure and the patient survey for El Camino Health

Behind the star rating — Deaths: 3 better, 5 the same, 0 worse of 8 measures. Safety: 3 better, 5 the same, 0 worse of 8 measures. Readmissions: 1 better, 9 the same, 1 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 El Camino Health
Central Line Associated Bloodstream Infection (ICU + select Wards)Infections0.291BetterOct 2024 – Sep 2025
Clostridium Difficile (C.Diff)Infections0.393BetterOct 2024 – Sep 2025
MRSA BacteremiaInfections0BetterOct 2024 – Sep 2025
Abdominopelvic accidental puncture or laceration rateComplications and deaths0.96 (0.12 to 1.79) · 2,340 casesNo differentJul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths1.02 (0.76 to 1.28)No differentJul 2022 – Jun 2024
Death rate among surgical inpatients with serious treatable complicationsComplications and deaths167.38 (125.03 to 209.73) · 96 casesNo differentJul 2022 – Jun 2024
Death rate for CABG surgery patientsComplications and deaths2.6 · 68 casesNoneJul 2022 – Jun 2025
Death rate for COPD patientsComplications and deaths7.1 · 185 casesNoneJul 2022 – Jun 2025
Death rate for heart attack patientsComplications and deaths11.8 · 200 casesNoneJul 2022 – Jun 2025
Death rate for heart failure patientsComplications and deaths8.9 · 814 casesNoneJul 2022 – Jun 2025
Death rate for pneumonia patientsComplications and deaths13 · 842 casesNoneJul 2022 – Jun 2025
Death rate for stroke patientsComplications and deaths9.6 · 361 casesNoneJul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths2.6 · 4,633 casesNoneJul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths0.16 (0 to 0.34) · 11,474 casesNo differentJul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths0.27 (0.1 to 0.45) · 11,626 casesNo differentJul 2022 – Jun 2024
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths3.14 (1.39 to 4.9) · 2,814 casesNo differentJul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths2 (0.61 to 3.39) · 1,327 casesNo differentJul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths2.11 (0.8 to 3.43) · 2,641 casesNo differentJul 2022 – Jun 2024
Postoperative respiratory failure rateComplications and deaths9.39 (4.18 to 14.6) · 1,287 casesNo differentJul 2022 – Jun 2024
Postoperative sepsis rateComplications and deaths6.57 (3.47 to 9.68) · 1,308 casesNo differentJul 2022 – Jun 2024
Postoperative wound dehiscence rateComplications and deaths2.14 (0.71 to 3.57) · 827 casesNo differentJul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths0.6 (0.05 to 1.15) · 9,460 casesNo differentJul 2022 – Jun 2024
Rate of complications for hip/knee replacement patientsComplications and deaths4.5 · 122 casesNoneApr 2023 – Mar 2025
Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections0.993No differentOct 2024 – Sep 2025
SSI - Abdominal HysterectomyInfections0.706No differentOct 2024 – Sep 2025
SSI - Colon SurgeryInfections1.376No differentOct 2024 – Sep 2025
Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits15.5 · 218 casesNoneJul 2023 – Jun 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits19.5 · 962 casesNoneJul 2023 – Jun 2025
Hospital return days for heart attack patientsUnplanned return visits3.8 · 200 casesNoneJul 2022 – Jun 2025
Hospital return days for heart failure patientsUnplanned return visits-17 · 922 casesNoneJul 2022 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits18.6 · 860 casesNoneJul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits18.7 · 827 casesNoneJul 2023 – Jun 2025
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits6.1 (4.5 to 8.2) · 313 casesNo differentJan 2024 – Dec 2024
Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits13.4 (10.6 to 16.5) · 313 casesNo differentJan 2024 – Dec 2024
Rate of readmission after hip/knee replacementUnplanned return visits6.1 · 144 casesNoneJul 2023 – Jun 2025
Rate of readmission for CABGUnplanned return visits10.3 · 80 casesNoneJul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits20.7 · 237 casesNoneJul 2023 – Jun 2025
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits12.8 (10 to 16.1) · 1,639 casesNo differentJan 2022 – Dec 2024
Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits0.9 (0.8 to 1.1) · 1,619 casesNo differentJan 2024 – Dec 2024

What patients said (1,535 patients answered, 22% of those asked)

Patient survey stars by topic at El Camino Health
Cleanliness4
Nurse communication4
Doctor communication4
Communication about medicines3
Discharge information3
Overall hospital rating4
Quietness2
Recommend hospital5
Share of patients giving the best answer at El Camino Health
Room was "always" clean75%
Nurses "always" communicated well79%
Doctors "always" communicated well81%
Staff "always" explained61%
Yes, staff "did" give patients this information86%
Yes, staff "did" give patients information about help after discharge86%
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)76%
Staff "always" explained new medications76%
Nurses "always" explained things so they could understand75%
Nurses "always" listened carefully76%
Nurses "always" treated them with courtesy and respect87%
"Always" quiet at night47%
"YES", patients would definitely recommend the hospital80%
Staff "always" explained possible side effects46%
Yes, staff "did" give patients information about possible symptoms86%

Original Medicare doctor bills

$52,343

Medicare paid this office $52,343 for 267 people.

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

Largest Original Medicare bills
Anesthesia for other procedure on large bowel using an endoscope53$6,355$120
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope48$6,117$127
Anesthesia for other procedure on lower abdomen20$5,390$270
Anesthesia for procedure on small and large bowel using an endoscope16$2,307$144
Anesthesia for electroshock therapy11$2,279$104
See all 7 services
Every Original Medicare service billed
Anesthesia for other procedure on large bowel using an endoscope53$6,355$120
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope48$6,117$127
Anesthesia for other procedure on lower abdomen20$5,390$270
Anesthesia for procedure on small and large bowel using an endoscope16$2,307$144
Anesthesia for electroshock therapy11$2,279$104
Anesthesia for x-ray or radiation therapy13$2,246$173
Anesthesia for procedure on gallbladder, pancreas, or liver using an endoscope15$2,232$149

Who their Medicare patients are

267 Original Medicare patients in 2024. Average age 76 · Women 50% · Also on Medicaid 8% · Health risk score 1.15. At or below the middle of the specialty; the typical anesthesiology clinician is at 1.54.

Conditions among them: High blood pressure 75% · Coronary heart disease 31% · Chronic kidney disease 29% · Diabetes 27% · Cancer 24% · Atrial fibrillation 22% · Depression 18% · Heart failure 17% · COPD 10% · Stroke 8% · Dementia 6%.

The office billed $658,260, Medicare allowed $65,774 and paid $52,343; for 286 services of 45 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
2024267286761.15$658,260$52,343
2023161168751.34$431,753$34,939
2022167177751.25$489,221$40,471
20216973741.48$230,218$17,447
20191919781.44$46,812$3,500
20183637751.52$71,965$6,877
20175153711.28$105,550$9,841
20165761721.37$125,878$9,862
20151616730.89$25,931$2,240

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 other procedure on lower abdomen16$4,508$282
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope28$3,560$127
Anesthesia for other procedure on large bowel using an endoscope27$3,544$131
Anesthesia for procedure on small and large bowel using an endoscope12$1,731$144

2022: 3 services

Original Medicare services billed in 2022
Anesthesia for procedure to assess heart electrical activity16$6,907$432
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope27$4,060$145
Anesthesia for other procedure on large bowel using an endoscope20$2,787$139

Professional record

NPI
1578875498
Licence
CA A132391, MA 245737California A132391: Current · expires 2028-07-31
Trained
Boston University School of Medicine, 2010
Gender
Female
More record details
Sole proprietor
No
Taxonomy
Federal specialty code 207L00000X (207L00000X)
Mailing address
200 W Arbor Dr, San Diego, CA, 92103
NPI first listed
2010-07-08
NPI last updated
2015-05-26

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