Caroline W Yu
Diagnostic Radiology · Santa Rosa
- 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
- Since medical school
- 21 years
- University of California, Geffen School of Medicine, 2005
Offices
1 location · Permanente Medical Group Inc · 10,928 clinicians in this group
Looking this up.
Hospitals listed: Kaiser Foundation Hospital-Santa Rosa. 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 Caroline W Yu’s office at (707) 393-4000 to ask if they take your plan before you enroll.
California Medical Board record
Licence A10070 · Deceased
Licence status: Deceased · since 1943 · Medical College of Wisconsin.
Licensee is deceased.
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.
- Kaiser Foundation Hospital-Santa RosaSanta Rosa, CAAcute Care Hospital · Voluntary non-profit - Private · Has an emergency department · Birthing-friendlyPart of Kaiser Permanente, which runs 41 hospitals in 3 statesPatients rate it 3 of 5 · 75% would definitely recommend itOverall rating: 3 of 5 starsBetter than the national rate — Clostridium Difficile (C.Diff): 0.587, Oct 2024 – Sep 2025
See every measure and the patient survey for Kaiser Foundation Hospital-Santa Rosa
Behind the star rating — Deaths: 0 better, 1 the same, 0 worse of 1 measures. Safety: 2 better, 4 the same, 0 worse of 6 measures. Readmissions: 0 better, 1 the same, 0 worse of 1 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.
| Clostridium Difficile (C.Diff)Infections | 0.587 | Better | Oct 2024 – Sep 2025 |
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 1.03 (0 to 2.12) · 102 cases | No different | Jul 2022 – Jun 2024 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 0.95 (0.47 to 1.44) | No different | Jul 2022 – Jun 2024 |
| Death rate for stroke patientsComplications and deaths | 13.4 · 225 cases | None | Jul 2023 – Jun 2025 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 3.9 · 3,003 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.2 (0 to 0.44) · 467 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.31 (0.1 to 0.53) · 474 cases | No different | Jul 2022 – Jun 2024 |
| Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths | 3.37 (0.77 to 5.96) · 72 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative hemorrhage or hematoma rateComplications and deaths | 2.29 (0.57 to 4.01) · 68 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative wound dehiscence rateComplications and deaths | 2.09 (0.56 to 3.61) · 26 cases | No different | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 0.5 (0 to 1.7) · 344 cases | No different | Jul 2022 – Jun 2024 |
| Rate of complications for hip/knee replacement patientsComplications and deaths | 5.2 · 121 cases | None | Apr 2023 – Mar 2025 |
| Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections | 0.591 | No different | Oct 2024 – Sep 2025 |
| Central Line Associated Bloodstream Infection (ICU + select Wards)Infections | 0.54 | No different | Oct 2024 – Sep 2025 |
| MRSA BacteremiaInfections | 1.391 | No different | Oct 2024 – Sep 2025 |
| SSI - Colon SurgeryInfections | 0.362 | No different | Oct 2024 – Sep 2025 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits | 14.7 · 123 cases | None | Jul 2023 – Jun 2025 |
| Heart failure (HF) 30-Day Readmission RateUnplanned return visits | 22.9 · 592 cases | None | Jul 2023 – Jun 2025 |
| Pneumonia (PN) 30-Day Readmission RateUnplanned return visits | 18.1 · 530 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission after hip/knee replacementUnplanned return visits | 6.8 · 120 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits | 19.6 · 200 cases | None | Jul 2023 – Jun 2025 |
What patients said (2,003 patients answered, 26% of those asked)
| Cleanliness | 4 |
| Nurse communication | 3 |
| Doctor communication | 3 |
| Communication about medicines | 3 |
| Discharge information | 4 |
| Overall hospital rating | 3 |
| Quietness | 2 |
| Recommend hospital | 4 |
| Room was "always" clean | 71% |
| Nurses "always" communicated well | 76% |
| Doctors "always" communicated well | 78% |
| Staff "always" explained | 59% |
| Yes, staff "did" give patients this information | 87% |
| Yes, staff "did" give patients information about help after discharge | 88% |
| Doctors "always" explained things so they could understand | 72% |
| Doctors "always" listened carefully | 77% |
| Doctors "always" treated them with courtesy and respect | 86% |
| Patients who gave a rating of "9" or "10" (high) | 71% |
| Staff "always" explained new medications | 73% |
| Nurses "always" explained things so they could understand | 71% |
| Nurses "always" listened carefully | 73% |
| Nurses "always" treated them with courtesy and respect | 85% |
| "Always" quiet at night | 41% |
| "YES", patients would definitely recommend the hospital | 75% |
| Staff "always" explained possible side effects | 45% |
| Yes, staff "did" give patients information about possible symptoms | 85% |
Original Medicare doctor bills
$6,119
Medicare paid this office $6,119 for 133 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Ct scan head or brain without contrast | 17 | $553 | $31 |
| X-ray of chest, 1 view | 20 | $137 | $7 |
| X-ray of chest, 2 views | 13 | $43 | $3 |
Who their Medicare patients are
133 Original Medicare patients in 2024. Average age 68 · Under 65 34% · 85 and older 9% · Women 54% · Also on Medicaid 56% · Health risk score 1.42. At or below the middle of the specialty; the typical diagnostic radiology clinician is at 1.7.
Conditions among them: High blood pressure 62% · Diabetes 33% · Depression 28% · Stroke 24% · Chronic kidney disease 23% · Coronary heart disease 19% · COPD 19% · Heart failure 17% · Atrial fibrillation 14% · Dementia 11% · Cancer 10%.
The office billed $55,588, Medicare allowed $9,247 and paid $6,119; for 217 services of 54 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 | 133 | 217 | 68 | 1.42 | $55,588 | $6,119 |
| 2023 | 98 | 256 | 67 | 1.20 | $46,051 | $5,250 |
| 2022 | 120 | 356 | 66 | 1.36 | $62,570 | $7,134 |
| 2021 | 85 | 407 | 67 | 1.38 | $39,305 | $5,581 |
| 2020 | 69 | 111 | 68 | 1.94 | $26,257 | $3,395 |
| 2019 | 95 | 293 | 66 | 1.89 | $39,440 | $5,803 |
| 2018 | 82 | 122 | 68 | 2.28 | $27,856 | $3,970 |
| 2017 | 110 | 156 | 68 | 2.02 | $38,206 | $5,357 |
| 2016 | 1,542 | 2,485 | 74 | 2.36 | $361,556 | $60,530 |
| 2015 | 704 | 1,100 | 74 | 2.07 | $170,577 | $34,223 |
| 2014 | 126 | 158 | 70 | 2.60 | $22,453 | $3,376 |
| 2013 | 134 | 177 | 69 | 2.76 | $32,983 | $4,793 |
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: 1 service
| X-ray of chest, 1 view | 14 | $94 | $6 |
2022: 3 services
| Screening mammography | 18 | $2,405 | $75 |
| Ct scan head or brain without contrast | 14 | $378 | $27 |
| X-ray of chest, 1 view | 20 | $121 | $5 |
2021: 1 service
| X-ray of chest, 1 view | 15 | $84 | $6 |
2020: 1 service
| X-ray of chest, 1 view | 12 | $102 | $7 |
2019: 2 services
| Mri scan of brain without contrast | 12 | $709 | $59 |
| X-ray of chest, 1 view | 23 | $167 | $6 |
2018: 2 services
| Ct scan head or brain without contrast | 11 | $400 | $36 |
| X-ray of chest, 1 view | 24 | $174 | $7 |
2017: 1 service
| X-ray of chest, 1 view, front | 20 | $135 | $7 |
2016: 40 services
| Ct scan head or brain without contrast | 230 | $7,849 | $31 |
| Ct scan of abdomen and pelvis with contrast | 84 | $5,983 | $70 |
| X-ray of chest, 1 view, front | 529 | $5,169 | $7 |
| Ct scan of abdomen and pelvis without contrast | 67 | $4,503 | $64 |
| Mri scan of brain without contrast | 50 | $2,866 | $56 |
| Nuclear medicine studies of heart muscle at rest and with stress and spect | 52 | $2,529 | $49 |
| Ct scan of blood vessels of chest with contrast | 27 | $1,891 | $70 |
| Ct scan of upper spine without contrast | 47 | $1,822 | $38 |
| Mri scan of brain before and after contrast | 21 | $1,658 | $75 |
| Ct scan of chest without contrast | 42 | $1,656 | $39 |
| Ct scan of blood vessels of head with contrast | 23 | $1,540 | $64 |
| Ct scan of blood vessels of neck with contrast | 26 | $1,497 | $53 |
| Screening mammography, bilateral (2-view study of each breast), including computer-aided detection (cad) when performed | 34 | $1,294 | $38 |
| Mri scan of lower spinal canal without contrast | 19 | $996 | $52 |
| X-ray of chest, 2 views, front and side | 124 | $919 | $7 |
| Complete ultrasound scan behind abdominal cavity | 30 | $859 | $28 |
| Ct scan of chest with contrast | 25 | $857 | $34 |
| Complete ultrasound scan of abdomen | 25 | $802 | $32 |
| Limited ultrasound scan of abdomen | 25 | $541 | $22 |
| Screening mammography of both breasts | 13 | $504 | $39 |
| Ct scan of lower spine without contrast | 11 | $365 | $33 |
| Ct scan of face without contrast | 12 | $327 | $27 |
| X-ray of abdomen, single view | 40 | $320 | $7 |
| Imaging for evaluation of swallowing function | 12 | $271 | $23 |
| X-ray of hip, 2-3 views | 28 | $270 | $9 |
| Diagnostic mammography, including computer-aided detection (cad) when performed; unilateral | 11 | $227 | $21 |
| X-ray of shoulder, minimum of 2 views | 25 | $173 | $6 |
| X-ray of foot, minimum of 3 views | 27 | $168 | $5 |
| X-ray of lower and sacral spine, 2-3 views | 20 | $147 | $7 |
| X-ray of knee, 3 views | 20 | $141 | $7 |
| X-ray of lower and sacral spine, minimum of 4 views | 18 | $140 | $8 |
| Imaging of abdomen | 11 | $130 | $11 |
| X-ray of ankle, minimum of 3 views | 20 | $122 | $6 |
| Computer analysis of screening mammogram to assist detection of cancer | 36 | $113 | $3 |
| X-ray of thigh bone, minimum 2 views | 12 | $93 | $7 |
| X-ray of knee, 1-2 views | 15 | $81 | $5 |
| X-ray of pelvis, 1-2 views | 12 | $77 | $6 |
| X-ray of wrist, minimum of 3 views | 12 | $76 | $6 |
| X-ray of hand, minimum of 3 views | 12 | $59 | $4 |
| Computer analysis of diagnostic mammogram | 14 | $26 | $2 |
2015: 17 services
| Ct scan head or brain without contrast | 110 | $4,187 | $35 |
| Nuclear medicine studies of heart muscle at rest and with stress and spect | 43 | $3,151 | $72 |
| Ct scan of abdomen and pelvis with contrast | 33 | $2,934 | $79 |
| Ct scan of abdomen and pelvis without contrast | 34 | $2,487 | $71 |
| Mri scan of brain without contrast | 32 | $2,085 | $63 |
| X-ray of chest, 1 view, front | 189 | $2,013 | $8 |
| Screening mammography, bilateral (2-view study of each breast), including computer-aided detection (cad) when performed | 50 | $1,922 | $38 |
| Ct scan of chest without contrast | 24 | $1,017 | $42 |
| Ct scan of chest with contrast | 18 | $889 | $47 |
| Ct scan of upper spine without contrast | 18 | $808 | $45 |
| Limited ultrasound scan of abdomen | 19 | $460 | $24 |
| X-ray of chest, 2 views, front and side | 42 | $399 | $9 |
| Complete ultrasound scan behind abdominal cavity | 12 | $369 | $31 |
| X-ray of lower and sacral spine, minimum of 4 views | 13 | $171 | $13 |
| Computer analysis of screening mammogram to assist detection of cancer | 49 | $163 | $3 |
| Dxa bone density measurement of hip, pelvis, spine | 13 | $143 | $11 |
| X-ray of foot, minimum of 3 views | 12 | $85 | $7 |
2014: 2 services
| Ct scan head or brain without contrast | 29 | $856 | $30 |
| X-ray of chest, 1 view, front | 51 | $412 | $7 |
2013: 3 services
| Ct scan head or brain without contrast | 31 | $903 | $29 |
| Ct scan of abdomen and pelvis with contrast | 11 | $777 | $71 |
| X-ray of chest, 1 view, front | 49 | $377 | $7 |
Medicaid work
$22,043 in 2024
Medicaid paid $22,043 for 489 billed services this clinician did in 2024, up to 32 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.
| Screening mammography, bilateral (2-view study of each breast), including computer-aided detection (CAD) when performed | 45 | $4,856 |
| MRI BRAIN BRAIN STEM W/O CONTRAST MATERIAL | 20 | $3,739 |
| Computed tomography, head or brain; without contrast material | 46 | $3,541 |
| Radiologic examination, chest; 2 views | 192 | $2,499 |
| CT ABDOMEN & PELVIS W/CONTRAST MATERIAL | 13 | $2,311 |
| Radiologic examination, chest; single view | 113 | $1,330 |
| Computed tomographic angiography, head, with contrast material(s), including noncontrast images, if performed, and image postprocessing | 12 | $1,211 |
| CT ANGIOGRAPHY NECK | 12 | $1,193 |
| X-ray of lumbosacral spine, anteroposterior and lateral views | 20 | $700 |
| ECHO EXAM OF ABDOMEN | 16 | $663 |
| 2024 | 489 | 10 | 32 | $22,043 |
| 2023 | 340 | 3 | 35 | $308 |
| 2022 | 338 | 3 | 25 | $203 |
| 2021 | 281 | 3 | 24 | $424 |
| 2020 | 64 | 2 | 19 | $47 |
| 2019 | 40 | 1 | 24 | $0 |
See the largest Medicaid services in earlier years
2023
| Screening mammography, bilateral (2-view study of each breast), including computer-aided detection (CAD) when performed | 276 | $227 |
| Radiologic examination, chest; single view | 32 | $63 |
| Radiologic examination, chest; 2 views | 32 | $18 |
2022
| Radiologic examination, chest; single view | 57 | $111 |
| Radiologic examination, chest; 2 views | 66 | $64 |
| Screening mammography, bilateral (2-view study of each breast), including computer-aided detection (CAD) when performed | 215 | $28 |
2021
| Screening mammography, bilateral (2-view study of each breast), including computer-aided detection (CAD) when performed | 175 | $218 |
| Radiologic examination, chest; single view | 92 | $169 |
| Radiologic examination, chest; 2 views | 14 | $37 |
2020
| Radiologic examination, chest; single view | 32 | $47 |
| Screening mammography, bilateral (2-view study of each breast), including computer-aided detection (CAD) when performed | 32 | $0 |
2019
| Screening mammography, bilateral (2-view study of each breast), including computer-aided detection (CAD) when performed | 40 | $0 |
Professional record
- NPI
- 1811178197
- Licence
- CA A10070California A10070: Deceased
- Trained
- University of California, Geffen School of Medicine, 2005 · 21 years ago
- Gender
- Female
More record details
- Sole proprietor
- No
- Taxonomy
- Diagnostic radiology (2085R0202X)
- Mailing address
- 300 Pasteur Dr Rm S047, Department of Neuroradiology, Stanford, CA, 94305
- NPI first listed
- 2007-11-15
- NPI last updated
- 2021-12-16
This is when the NPI record was last certified, not a medical board exam.
This office lists an electronic records connection.