William Thieu, MD
Urology · San Jose
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- 18
- 4 carriers
- Office
- 1
Offices
1 location · County of Santa Clara · 1,000 clinicians in this group
Looking this up.
Hospitals listed: Santa Clara Valley Medical Center. That is not proof they admit you there this week.
Plans that list them
18 plans · 4 carriers
A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Thieu’s office at (408) 885-5000 to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.
18 of 18 plans
| Alignment Health BreathEasy (HMO C-SNP) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Clarity (HMO C-SNP) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Harmony (HMO) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Heart & Diabetes (HMO C-SNP) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Heart & Diabetes CalPlus (HMO C-SNP) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Heart & Diabetes Care (HMO C-SNP) | Alignment Health Plan | Listed | Sep 28, 2026 |
| Alignment Health Heart & Diabetes Choice (HMO C-SNP) | Alignment Health Plan | Listed | Sep 28, 2026 |
| Alignment Health Honor+ Plan (HMO) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health My Choice CalCare (HMO) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Silicon (HMO C-SNP) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health smartHMO (HMO) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health the ONE (HMO) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Anthem Full Dual Advantage Aligned (HMO D-SNP) | Anthem Blue Cross | Listed | Oct 3, 2026 |
| SCAN Balance (HMO C-SNP) | SCAN Health Plan | Listed | Oct 3, 2026 |
| SCAN Classic (HMO) | SCAN Health Plan | Listed | Oct 3, 2026 |
| SCAN MyChoice (HMO) | SCAN Health Plan | Listed | Oct 3, 2026 |
| SCAN Strive (HMO C-SNP) | SCAN Health Plan | Listed | Oct 3, 2026 |
| DualConnect (HMO D-SNP) | Santa Clara Family Health Plan | Listed | Sep 1, 2026 |
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.
- Santa Clara Valley Medical CenterSan Jose, CAAcute Care Hospital · Government - Local · Has an emergency department · Birthing-friendlyPart of Santa Clara Valley Health and Hospital System, which runs 3 hospitalsPatients rate it 3 of 5 · 70% would definitely recommend itOverall rating: 2 of 5 starsWorse than the national rate — SSI - Colon Surgery: 2.572, Oct 2024 – Sep 2025Better than the national rate — Central Line Associated Bloodstream Infection (ICU + select Wards): 0.563, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.256, Oct 2024 – Sep 2025Better than the national rate — MRSA Bacteremia: 0.369, Oct 2024 – Sep 2025
See every measure and the patient survey for Santa Clara Valley Medical Center
Behind the star rating — Deaths: 2 better, 6 the same, 0 worse of 8 measures. Safety: 2 better, 5 the same, 1 worse of 8 measures. Readmissions: 0 better, 10 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.
| SSI - Colon SurgeryInfections | 2.572 | Worse | Oct 2024 – Sep 2025 |
| Central Line Associated Bloodstream Infection (ICU + select Wards)Infections | 0.563 | Better | Oct 2024 – Sep 2025 |
| Clostridium Difficile (C.Diff)Infections | 0.256 | Better | Oct 2024 – Sep 2025 |
| MRSA BacteremiaInfections | 0.369 | Better | Oct 2024 – Sep 2025 |
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 1.25 (0.3 to 2.2) · 1,535 cases | No different | Jul 2022 – Jun 2024 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 1.07 (0.76 to 1.38) | No different | Jul 2022 – Jun 2024 |
| Death rate among surgical inpatients with serious treatable complicationsComplications and deaths | 214.59 (167.38 to 261.8) · 108 cases | No different | Jul 2022 – Jun 2024 |
| Death rate for CABG surgery patientsComplications and deaths | 2.8 · 41 cases | None | Jul 2022 – Jun 2025 |
| Death rate for COPD patientsComplications and deaths | 6 · 141 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart attack patientsComplications and deaths | 10.2 · 124 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart failure patientsComplications and deaths | 8.3 · 501 cases | None | Jul 2022 – Jun 2025 |
| Death rate for pneumonia patientsComplications and deaths | 14.9 · 653 cases | None | Jul 2022 – Jun 2025 |
| Death rate for stroke patientsComplications and deaths | 10.1 · 348 cases | None | Jul 2023 – Jun 2025 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 3 · 4,502 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.24 (0.04 to 0.43) · 9,014 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.34 (0.15 to 0.52) · 9,216 cases | No different | Jul 2022 – Jun 2024 |
| Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths | 4.54 (2.51 to 6.58) · 1,421 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative acute kidney injury requiring dialysis rateComplications and deaths | 1.54 (0 to 3.2) · 288 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative hemorrhage or hematoma rateComplications and deaths | 2.11 (0.66 to 3.56) · 1,446 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative respiratory failure rateComplications and deaths | 11.61 (4.09 to 19.14) · 294 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative sepsis rateComplications and deaths | 7.29 (3.39 to 11.2) · 299 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative wound dehiscence rateComplications and deaths | 1.9 (0.45 to 3.36) · 333 cases | No different | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 0.23 (0 to 0.78) · 7,538 cases | No different | Jul 2022 – Jun 2024 |
| Rate of complications for hip/knee replacement patientsComplications and deaths | 5.4 · 94 cases | None | Apr 2023 – Mar 2025 |
| Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections | 0.735 | No different | Oct 2024 – Sep 2025 |
| SSI - Abdominal HysterectomyInfections | 2.573 | No different | Oct 2024 – Sep 2025 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits | 14.6 · 185 cases | None | Jul 2023 – Jun 2025 |
| Heart failure (HF) 30-Day Readmission RateUnplanned return visits | 22.1 · 951 cases | None | Jul 2023 – Jun 2025 |
| Hospital return days for heart attack patientsUnplanned return visits | 56.3 · 128 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for heart failure patientsUnplanned return visits | 6.4 · 644 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for pneumonia patientsUnplanned return visits | 1.3 · 699 cases | None | Jul 2022 – Jun 2025 |
| Pneumonia (PN) 30-Day Readmission RateUnplanned return visits | 16.3 · 921 cases | None | Jul 2023 – Jun 2025 |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits | 5.7 (3.9 to 8.1) · 226 cases | No different | Jan 2024 – Dec 2024 |
| Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits | 12.6 (9.4 to 16.5) · 226 cases | No different | Jan 2024 – Dec 2024 |
| Rate of readmission after hip/knee replacementUnplanned return visits | 5.4 · 94 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for CABGUnplanned return visits | 11.4 · 54 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits | 20.3 · 242 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 17.4) · 702 cases | No different | Jan 2022 – Dec 2024 |
| Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits | 1 (0.7 to 1.4) · 195 cases | No different | Jan 2024 – Dec 2024 |
What patients said (4,032 patients answered, 29% of those asked)
| Cleanliness | 3 |
| Nurse communication | 3 |
| Doctor communication | 3 |
| Communication about medicines | 3 |
| Discharge information | 2 |
| Overall hospital rating | 3 |
| Quietness | 2 |
| Recommend hospital | 4 |
| Room was "always" clean | 70% |
| Nurses "always" communicated well | 73% |
| Doctors "always" communicated well | 76% |
| Staff "always" explained | 57% |
| Yes, staff "did" give patients this information | 82% |
| Yes, staff "did" give patients information about help after discharge | 82% |
| Doctors "always" explained things so they could understand | 71% |
| Doctors "always" listened carefully | 74% |
| Doctors "always" treated them with courtesy and respect | 82% |
| Patients who gave a rating of "9" or "10" (high) | 67% |
| Staff "always" explained new medications | 71% |
| Nurses "always" explained things so they could understand | 71% |
| Nurses "always" listened carefully | 69% |
| Nurses "always" treated them with courtesy and respect | 80% |
| "Always" quiet at night | 43% |
| "YES", patients would definitely recommend the hospital | 70% |
| Staff "always" explained possible side effects | 44% |
| Yes, staff "did" give patients information about possible symptoms | 83% |
Original Medicare doctor bills
$26,411
Medicare paid this office $26,411 for 152 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Short return visit (20+ min) | 88 | $6,157 | $52 |
| New patient visit (30+ min) | 41 | $2,464 | $60 |
| Diagnostic exam of bladder and urethra using an endoscope | 23 | $1,698 | $61 |
Procedures Medicare counted
| Prostate resection | 1-10 | None |
Who their Medicare patients are
152 Original Medicare patients in 2024. Average age 72 · Under 65 14% · 85 and older 13% · Women 30% · Also on Medicaid 84% · Health risk score 1.54. Above the middle of the specialty; the typical urology clinician is at 1.36.
Conditions among them: High blood pressure 75% · Diabetes 49% · Chronic kidney disease 30% · Coronary heart disease 28% · Heart failure 19% · Atrial fibrillation 19% · Depression 19% · Cancer 16% · COPD 14% · Dementia 11% · Stroke 7%.
The office billed $339,840, Medicare allowed $35,967 and paid $26,411; for 273 services of 32 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 | 152 | 273 | 72 | 1.54 | $339,840 | $26,411 |
| 2023 | 166 | 290 | 72 | 1.69 | $371,235 | $30,686 |
| 2022 | 137 | 277 | 72 | 1.39 | $344,190 | $29,969 |
| 2021 | 154 | 297 | 72 | 1.63 | $354,522 | $33,527 |
| 2020 | 53 | 80 | 70 | 1.90 | $76,852 | $6,889 |
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
| Short return visit (20+ min) | 87 | $6,365 | $51 |
| Crushing of stone of ureter with insertion of stent using an endoscope | 13 | $5,004 | $357 |
| Diagnostic exam of bladder and urethra using an endoscope | 22 | $1,809 | $70 |
| Return visit (30+ min) | 26 | $1,724 | $66 |
| New patient visit (30+ min) | 22 | $1,557 | $71 |
2022: 5 services
| Crushing of stone of ureter with insertion of stent using an endoscope | 14 | $5,989 | $374 |
| Short return visit (20+ min) | 69 | $4,977 | $52 |
| Return visit (30+ min) | 48 | $4,305 | $86 |
| Diagnostic exam of bladder and urethra using an endoscope | 23 | $1,774 | $63 |
| Telephone medical discussion with physician, 11-20 minutes | 14 | $853 | $61 |
2021: 5 services
| Return visit (30+ min) | 70 | $6,767 | $87 |
| Crushing of stone of ureter with insertion of stent using an endoscope | 11 | $4,695 | $361 |
| Short return visit (20+ min) | 53 | $3,481 | $59 |
| Telephone medical discussion with physician, 5-10 minutes | 42 | $1,803 | $32 |
| Diagnostic exam of bladder and urethra using an endoscope | 22 | $1,635 | $68 |
2020: 2 services
| Short return visit (20+ min) | 19 | $897 | $47 |
| Telephone medical discussion with physician, 5-10 minutes | 14 | $389 | $24 |
Medicaid work
$14,284 in 2024
Medicaid paid $14,284 for 2,396 billed services this clinician did in 2024, up to 65 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.
| Short return visit (20+ min) | 509 | $7,349 |
| New patient visit (30+ min) | 227 | $4,216 |
| Change of cystostomy tube; simple | 160 | $2,603 |
| Insertion of temporary indwelling bladder catheter; simple (eg, Foley) | 15 | $116 |
| Service | 56 | $0 |
| Pain severity quantified; no pain present (COA) (ONC) | 34 | $0 |
| Medication list documented in medical record (COA) | 416 | $0 |
| Most recent systolic blood pressure less than 130 mm Hg (DM) (HTN, CKD, CAD) | 229 | $0 |
| Most recent systolic blood pressure 130-139 mm Hg (DM) (HTN, CKD, CAD) | 104 | $0 |
| Most recent systolic blood pressure greater than or equal to 140 mm Hg (HTN, CKD, CAD) (DM) | 155 | $0 |
| Most recent diastolic blood pressure less than 80 mm Hg (HTN, CKD, CAD) (DM) | 285 | $0 |
| Most recent diastolic blood pressure 80-89 mm Hg (HTN, CKD, CAD) (DM) | 161 | $0 |
| 2024 | 2,396 | 13 | 65 | $14,284 |
| 2023 | 817 | 10 | 59 | $6,145 |
| 2022 | 625 | 2 | 42 | $5,985 |
| 2021 | 519 | 3 | 44 | $5,660 |
| 2020 | 83 | 3 | 17 | $730 |
See the largest Medicaid services in earlier years
2023
| Short return visit (20+ min) | 448 | $2,470 |
| Return visit (30+ min) | 131 | $1,377 |
| New patient visit (30+ min) | 62 | $1,166 |
| New patient visit (45+ min) | 35 | $829 |
| CYSTOURETHROSCOPY | 15 | $303 |
| Service | 34 | $0 |
| Service | 14 | $0 |
| Most recent systolic blood pressure less than 130 mm Hg (DM) (HTN, CKD, CAD) | 13 | $0 |
| Most recent diastolic blood pressure less than 80 mm Hg (HTN, CKD, CAD) (DM) | 31 | $0 |
| Catheter, drainage | 34 | $0 |
2022
| Return visit (30+ min) | 288 | $3,840 |
| Short return visit (20+ min) | 337 | $2,144 |
2021
| Return visit (30+ min) | 285 | $3,396 |
| Short return visit (20+ min) | 210 | $1,446 |
| Service | 24 | $818 |
2020
| Return visit (30+ min) | 31 | $506 |
| CYSTOURETHROSCOPY | 12 | $112 |
| Short return visit (20+ min) | 40 | $112 |
Drugs they prescribed that Part D paid
$43,619
Pharmacies billed $43,619 in 2024.
This is pharmacy cost, not the office bill, and not what patients paid.
201 generic and 56 brand-name prescriptions · $43,619 in drug cost · 17 antibiotic prescriptions.
Part D prescriptions only. The opioid rate is opioid prescriptions as a share of all this clinician's Part D prescriptions; surgeons and pain specialists run higher than others, so it is shown against the same specialty.
| Myrbetriq | 18 | $20,325 | $1,129 |
| Gemtesa | 19 | $16,074 | $846 |
| Potassium Citrate Er | 13 | $2,264 | $174 |
| Finasteride | 79 | $885 | $11 |
| Tamsulosin | 66 | $608 | $9 |
Year by year
| 2024 | 257 | 77 | None | 22% | $43,619 |
| 2023 | 229 | 72 | 0% (0) | 16% | $42,798 |
| 2022 | 248 | 74 | None | 14% | $24,911 |
| 2021 | 233 | 62 | None | 12% | $20,648 |
| 2020 | 205 | 90 | 19% (39) | None | $5,483 |
| 2019 | 265 | 109 | 16% (42) | 5% | $6,069 |
| 2018 | 189 | 97 | 27% (50) | 6% | $5,261 |
| 2017 | 454 | 189 | 22% (101) | 11% | $22,119 |
| 2016 | 240 | 135 | 30% (73) | 9% | $12,501 |
Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.
See the drugs prescribed each year
2023: 6 drugs
| Myrbetriq | 18 | $22,789 | $1,266 |
| Potassium Citrate Er | 16 | $6,264 | $391 |
| Finasteride | 61 | $1,778 | $29 |
| Tamsulosin | 57 | $1,762 | $31 |
| Tolterodine Tartrate Er | 11 | $1,290 | $117 |
| Oxybutynin Chloride Er | 18 | $959 | $53 |
2022: 6 drugs
| Myrbetriq | 14 | $9,407 | $672 |
| Potassium Citrate Er | 19 | $7,044 | $371 |
| Tolterodine Tartrate Er | 15 | $1,530 | $102 |
| Tamsulosin | 69 | $974 | $14 |
| Finasteride | 63 | $970 | $15 |
| Oxybutynin Chloride | 11 | $182 | $17 |
2021: 6 drugs
| Myrbetriq | 11 | $5,515 | $501 |
| Potassium Citrate Er | 13 | $5,385 | $414 |
| Tolterodine Tartrate Er | 19 | $2,032 | $107 |
| Finasteride | 58 | $760 | $13 |
| Oxybutynin Chloride Er | 16 | $661 | $41 |
| Tamsulosin | 70 | $639 | $9 |
2020: 4 drugs
| Tamsulosin | 57 | $659 | $12 |
| Finasteride | 23 | $290 | $13 |
| Hydrocodone-Acetaminophen | 24 | $139 | $6 |
| Diclofenac | 14 | $119 | $9 |
2019: 6 drugs
| Tamsulosin | 60 | $1,130 | $19 |
| Finasteride | 32 | $484 | $15 |
| Oxybutynin Chloride | 16 | $351 | $22 |
| Hydrocodone-Acetaminophen | 30 | $159 | $5 |
| Sulfamethoxazole-Trimethoprim | 17 | $69 | $4 |
| Levofloxacin | 22 | $50 | $2 |
2018: 5 drugs
| Tamsulosin | 32 | $660 | $21 |
| Trospium Chloride | 17 | $581 | $34 |
| Finasteride | 19 | $305 | $16 |
| Hydrocodone-Acetaminophen | 33 | $230 | $7 |
| Levofloxacin | 14 | $51 | $4 |
2017: 11 drugs
| Myrbetriq | 22 | $8,493 | $386 |
| Tamsulosin | 92 | $1,952 | $21 |
| Monurol | 11 | $1,478 | $134 |
| Oxybutynin Chloride Er | 24 | $988 | $41 |
| Oxybutynin Chloride | 35 | $938 | $27 |
| Hydrocodone-Acetaminophen | 78 | $601 | $8 |
| Doxazosin Mesylate | 14 | $331 | $24 |
| Finasteride | 28 | $286 | $10 |
| Levofloxacin | 30 | $150 | $5 |
| Terazosin | 14 | $74 | $5 |
| Sulfamethoxazole-Trimethoprim | 11 | $48 | $4 |
2016: 6 drugs
| Tamsulosin | 39 | $1,104 | $28 |
| Hydrocodone-Acetaminophen | 51 | $747 | $15 |
| Oxybutynin Chloride | 12 | $365 | $30 |
| Oxycodone-Acetaminophen | 13 | $256 | $20 |
| Finasteride | 22 | $184 | $8 |
| Levofloxacin | 28 | $151 | $5 |
Money from drug and device companies
$1,050 in 2021
| 2021 | 1 | 2 | $1,050 | $1,050 |
| 2020 | 1 | 1 | None | $66 |
| 2019 | 5 | 22 | None | $1,909 |
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.
A payment is not proof that care is biased.
| Intuitive Surgical | Da Vinci Surgical System | $1,050 | 2 payments
|
See all 2 published payments
| Intuitive Surgical | Paid to speak or teach · 2021-12-08 | Da Vinci Surgical System | $300 |
| Intuitive Surgical | Paid to speak or teach · 2021-12-01 | Da Vinci Surgical System | $750 |
See earlier years (2020, 2019)
2020: $66
| Cook Medical | Cook Medical Lasers | $66 | 1 payment
|
2019: $1,909
| Boston Scientific | Ams | $1,404 | 13 payments
|
| Cook Medical | Cook Medical Lasers | $250 | 6 payments
|
| Janssen Biotech | Erleada | $124 | 1 payment
|
| Pfizer | Xtandi | $104 | 1 payment
|
| C. R. Bard Inc. & Subsidiaries | None | $27 | 1 payment
|
Checkups this office reported
Medicare did not publish checkup rates for this clinician.
- Medicare’s overall office score
- 80.6 / 100
- Scores the office’s reporting and systems. It is not a grade for how the doctor treats you.
Professional record
- NPI
- 1912273996
- Licence
- CA 1
- Trained
- University of California, Davis School of Medicine, 2014
- Video visits
- Lists video visits
- Gender
- Male
More record details
- Sole proprietor
- No
- Taxonomy
- Urology (208800000X); Surgery (208600000X)
- Mailing address
- 4860 Y St, Suite 2200, Sacramento, CA, 95817
- NPI first listed
- 2012-03-24
- NPI last updated
- 2014-11-19
This is when the NPI record was last certified, not a medical board exam.