Joseph W Baek, MD
Anesthesiology · San Jose
- 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 · Cep America - Anesthesia PC · 849 clinicians in this group
Looking this up.
Hospitals listed: John Muir Medical Center - Walnut Creek Campus. 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. Baek’s office at (408) 947-2500 to ask if they take your plan before you enroll.
California Medical Board record
Licence A132845 · Current
Licensed to practise in California · since 2014 · expires 2028-09-30 · University of Illinois College of Medicine.
Matched on the licence number without its letter prefix; check the name before relying on it.
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.
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CAAcute Care Hospital · Voluntary non-profit - Other · Has an emergency department · Birthing-friendlyPart of John Muir Health, which runs 3 hospitalsPatients rate it 3 of 5 · 77% would definitely recommend itOverall rating: 2 of 5 starsWorse than the national rate — Abdominopelvic accidental puncture or laceration rate: 2.01 (1.17 to 2.85) · 2,206 cases, Jul 2022 – Jun 2024Worse than the national rate — Death rate among surgical inpatients with serious treatable complications: 222.42 (177.82 to 267.02) · 120 cases, Jul 2022 – Jun 2024Worse than the national rate — Pressure ulcer rate: 1.4 (0.91 to 1.9) · 9,764 cases, Jul 2022 – Jun 2024Worse than the national rate — SSI - Colon Surgery: 2.734, Oct 2024 – Sep 2025Better than the national rate — Catheter Associated Urinary Tract Infections (ICU + select Wards): 0.536, Oct 2024 – Sep 2025Better than the national rate — Central Line Associated Bloodstream Infection (ICU + select Wards): 0.341, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.455, Oct 2024 – Sep 2025Better than the national rate — MRSA Bacteremia: 0.245, Oct 2024 – Sep 2025
See every measure and the patient survey for John Muir Medical Center - Walnut Creek Campus
Behind the star rating — Deaths: 3 better, 2 the same, 2 worse of 7 measures. Safety: 2 better, 5 the same, 1 worse of 8 measures. Readmissions: 3 better, 5 the same, 2 worse of 10 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 2.01 (1.17 to 2.85) · 2,206 cases | Worse | Jul 2022 – Jun 2024 |
| Death rate among surgical inpatients with serious treatable complicationsComplications and deaths | 222.42 (177.82 to 267.02) · 120 cases | Worse | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 1.4 (0.91 to 1.9) · 9,764 cases | Worse | Jul 2022 – Jun 2024 |
| SSI - Colon SurgeryInfections | 2.734 | Worse | Oct 2024 – Sep 2025 |
| Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections | 0.536 | Better | Oct 2024 – Sep 2025 |
| Central Line Associated Bloodstream Infection (ICU + select Wards)Infections | 0.341 | Better | Oct 2024 – Sep 2025 |
| Clostridium Difficile (C.Diff)Infections | 0.455 | Better | Oct 2024 – Sep 2025 |
| MRSA BacteremiaInfections | 0.245 | Better | Oct 2024 – Sep 2025 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 1.14 (0.87 to 1.4) | No different | Jul 2022 – Jun 2024 |
| Death rate for COPD patientsComplications and deaths | 6.4 · 131 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart attack patientsComplications and deaths | 10 · 148 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart failure patientsComplications and deaths | 9.8 · 695 cases | None | Jul 2022 – Jun 2025 |
| Death rate for pneumonia patientsComplications and deaths | 12.5 · 827 cases | None | Jul 2022 – Jun 2025 |
| Death rate for stroke patientsComplications and deaths | 14.1 · 509 cases | None | Jul 2023 – Jun 2025 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 3.4 · 4,483 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.35 (0.18 to 0.53) · 11,630 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.22 (0.05 to 0.39) · 11,793 cases | No different | Jul 2022 – Jun 2024 |
| Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths | 3.33 (1.69 to 4.96) · 3,268 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative acute kidney injury requiring dialysis rateComplications and deaths | 1.37 (0 to 2.94) · 1,631 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative hemorrhage or hematoma rateComplications and deaths | 2.76 (1.43 to 4.09) · 3,066 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative respiratory failure rateComplications and deaths | 6.12 (0.22 to 12.02) · 1,580 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative sepsis rateComplications and deaths | 4.43 (1.21 to 7.64) · 1,594 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative wound dehiscence rateComplications and deaths | 1.82 (0.4 to 3.24) · 685 cases | No different | Jul 2022 – Jun 2024 |
| Rate of complications for hip/knee replacement patientsComplications and deaths | 3.9 · 615 cases | None | Apr 2023 – Mar 2025 |
| SSI - Abdominal HysterectomyInfections | 1.88 | No different | Oct 2024 – Sep 2025 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits | 14.7 · 93 cases | None | Jul 2023 – Jun 2025 |
| Heart failure (HF) 30-Day Readmission RateUnplanned return visits | 19.9 · 729 cases | None | Jul 2023 – Jun 2025 |
| Hospital return days for heart attack patientsUnplanned return visits | -30.1 · 91 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for heart failure patientsUnplanned return visits | -13 · 736 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for pneumonia patientsUnplanned return visits | 34.8 · 842 cases | None | Jul 2022 – Jun 2025 |
| Pneumonia (PN) 30-Day Readmission RateUnplanned return visits | 16.7 · 818 cases | None | Jul 2023 – Jun 2025 |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits | 5.3 (3.3 to 8.4) · 28 cases | No different | Jan 2024 – Dec 2024 |
| Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits | 10.8 (7.2 to 15.5) · 28 cases | No different | Jan 2024 – Dec 2024 |
| Rate of readmission after hip/knee replacementUnplanned return visits | 4.9 · 584 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits | 20.4 · 139 cases | None | Jul 2023 – Jun 2025 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits | 13.2 (9.9 to 17.9) · 222 cases | No different | Jan 2022 – Dec 2024 |
| Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits | 1.1 (0.8 to 1.5) · 321 cases | No different | Jan 2024 – Dec 2024 |
What patients said (758 patients answered, 24% of those asked)
| Cleanliness | 3 |
| Nurse communication | 3 |
| Doctor communication | 3 |
| Communication about medicines | 2 |
| Discharge information | 4 |
| Overall hospital rating | 3 |
| Quietness | 3 |
| Recommend hospital | 4 |
| Room was "always" clean | 65% |
| Nurses "always" communicated well | 75% |
| Doctors "always" communicated well | 76% |
| Staff "always" explained | 55% |
| Yes, staff "did" give patients this information | 87% |
| Yes, staff "did" give patients information about help after discharge | 87% |
| Doctors "always" explained things so they could understand | 70% |
| Doctors "always" listened carefully | 75% |
| Doctors "always" treated them with courtesy and respect | 82% |
| Patients who gave a rating of "9" or "10" (high) | 69% |
| Staff "always" explained new medications | 68% |
| Nurses "always" explained things so they could understand | 71% |
| Nurses "always" listened carefully | 72% |
| Nurses "always" treated them with courtesy and respect | 83% |
| "Always" quiet at night | 53% |
| "YES", patients would definitely recommend the hospital | 77% |
| Staff "always" explained possible side effects | 42% |
| Yes, staff "did" give patients information about possible symptoms | 87% |
Original Medicare doctor bills
$40,015
Medicare paid this office $40,015 for 179 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Anesthesia for other procedure on upper abdomen | 14 | $4,628 | $331 |
| Anesthesia for total hip replacement | 12 | $3,578 | $298 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 23 | $3,028 | $132 |
| Anesthesia for x-ray or radiation therapy | 12 | $2,252 | $188 |
Who their Medicare patients are
179 Original Medicare patients in 2024. Average age 76 · Under 65 10% · 85 and older 21% · Women 51% · Also on Medicaid 23% · Health risk score 1.94. Above the middle of the specialty; the typical anesthesiology clinician is at 1.54.
Conditions among them: High blood pressure 75% · Chronic kidney disease 41% · Diabetes 40% · Coronary heart disease 37% · Depression 37% · Atrial fibrillation 36% · Heart failure 32% · Cancer 24% · COPD 23% · Dementia 15% · Stroke 14%.
The office billed $489,928, Medicare allowed $50,223 and paid $40,015; for 207 services of 58 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
| 2024 | 179 | 207 | 76 | 1.94 | $489,928 | $40,015 |
| 2023 | 213 | 258 | 75 | 2.15 | $567,388 | $49,297 |
| 2022 | 288 | 420 | 73 | 1.85 | $1,130,203 | $76,309 |
| 2021 | 222 | 305 | 74 | 1.68 | $589,683 | $49,942 |
| 2020 | 110 | 160 | 73 | 2.22 | $252,492 | $30,527 |
| 2019 | 190 | 239 | 75 | 2.00 | $307,762 | $38,142 |
| 2018 | 240 | 300 | 72 | 2.25 | $361,508 | $47,593 |
| 2017 | 72 | 88 | 72 | 1.86 | $95,556 | $14,037 |
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: 5 services
| Anesthesia for procedure to assess heart electrical activity | 12 | $4,437 | $370 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 28 | $3,681 | $131 |
| Anesthesia for total hip replacement | 11 | $3,246 | $295 |
| Anesthesia for other procedure on lower leg, ankle, and foot bones | 14 | $1,646 | $118 |
| Insertion of artery tube for blood sampling or infusion through skin | 20 | $751 | $38 |
2022: 11 services
| Anesthesia for procedure for total knee joint replacement | 23 | $7,077 | $308 |
| Anesthesia for other procedure on upper abdomen | 20 | $6,553 | $328 |
| Anesthesia for total hip replacement | 15 | $4,537 | $302 |
| Anesthesia for procedure to assess heart electrical activity | 11 | $4,170 | $379 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 19 | $2,717 | $143 |
| Anesthesia for x-ray or radiation therapy | 13 | $2,212 | $170 |
| Anesthesia for other closed procedure on chest | 12 | $2,207 | $184 |
| Insertion of artery tube for blood sampling or infusion through skin | 38 | $1,434 | $38 |
| Injection of substance into lower spine canal | 20 | $1,425 | $71 |
| Ultrasonic guidance for blood vessel access | 38 | $478 | $12 |
| Ultrasonic guidance for needle placement | 15 | $409 | $27 |
2021: 7 services
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 30 | $3,933 | $131 |
| Anesthesia for lens surgery | 12 | $1,179 | $98 |
| Injection of substance into lower spine canal | 11 | $814 | $74 |
| Insertion of artery tube for blood sampling or infusion through skin | 19 | $739 | $39 |
| Ultrasonic guidance for needle placement | 19 | $507 | $27 |
| Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | 11 | $349 | $32 |
| Ultrasonic guidance for blood vessel access | 18 | $223 | $12 |
2019: 4 services
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 33 | $3,957 | $116 |
| Anesthesia for other procedure on urinary system through urethra | 14 | $1,863 | $133 |
| Anesthesia for lens surgery | 14 | $853 | $61 |
| Insertion of artery tube for blood sampling or infusion through skin | 11 | $415 | $38 |
2018: 7 services
| Anesthesia for lens surgery | 31 | $3,133 | $98 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 26 | $2,890 | $111 |
| Anesthesia for other procedure on large bowel using an endoscope | 18 | $2,169 | $121 |
| Anesthesia for procedure on small and large bowel using an endoscope | 14 | $2,051 | $146 |
| Anesthesia for other procedure on urinary system through urethra | 12 | $1,266 | $105 |
| Insertion of artery tube for blood sampling or infusion through skin | 15 | $561 | $37 |
| Ultrasonic guidance for needle placement | 11 | $304 | $28 |
Money from drug and device companies
$128 in 2020
| 2020 | 1 | 1 | None | $128 |
| 2019 | 1 | 2 | None | $23 |
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.
A payment is not proof that care is biased.
| Chiesi USA | Cleviprex 50mg/100ml | $128 | 1 payment
|
See the published payment
| Chiesi USA | Meals · 2020-03-09 | Cleviprex 50mg/100ml | $128 |
See earlier years (2019)
2019: $23
| Mallinckrodt Enterprises | Ofirmev | $23 | 2 payments
|
Professional record
- NPI
- 1881035145
- Licence
- CA 132845California A132845: Current · expires 2028-09-30
- Gender
- Male
More record details
- Sole proprietor
- Yes
- Taxonomy
- Federal specialty code 207L00000X (207L00000X)
- Mailing address
- 1000 W Carson St # 461, Torrance, CA, 90502
- NPI first listed
- 2013-07-15
- NPI last updated
- 2019-05-23
This is when the NPI record was last certified, not a medical board exam.