Dr. William Thieu, MD, MS

  • San Jose, CA
  • Urologist
NPI1912273996PAC ID7719318534
Medicare services, 2024
187
Medicare patients, 2024
152
Part D claims, 2024
257
Publications
6
MIPS score, 2024
61
Practice address
751 South Bascom Avenue, San Jose, CA 95128
Practice phone
Call (408) 885-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Santa Clara Valley Medical Center

Hospital · San Jose, California

See all 3 affiliations

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Dr. William Thieu is a urologist in San Jose, California

Dr. Thieu practices at Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA.

Dr. Thieu's NPI, 1912273996, was assigned on March 24, 2012. Dr. Thieu graduated from UC Davis School of Medicine in 2014. Dr. Thieu's California license number on file is 1.

NPI and contact details
Medicare PAC ID
7719318534
NPI enumeration date
March 24, 2012
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(408) 885-5000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
38
Medical school graduation
2014

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. William Thieu practices at Santa Clara Valley Medical Center in San Jose, California

Dr. Thieu's primary practice is Santa Clara Valley Medical Center, at 751 South Bascom Avenue, San Jose, CA 95128 in Santa Clara County. The practice phone is (408) 885-5000.

Source: Dmand AI Affiliation Data

Dr. William Thieu is affiliated with 2 sites of care and 1 medical group

Dr. Thieu's primary practice is Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA. The medical group on file is County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic. Dmand AI also links Dr. Thieu to 1 more community health center, named with a free account.

See all 3 affiliations for Dr. Thieu

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. William Thieu's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thieu practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Santa Clara Valley Medical CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. William Thieu is one of 1,395 urologists in California

Urology is Dr. Thieu's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Thieu is board certified in urology by the American Board of Urology. Dr. Thieu has a license on file in California.

Specialties and state licenses

  • Urology, CaliforniaPrimaryLicense 1 · 2016 to 2025 · taxonomy 208800000X

Clinical focus

Dmand AI lists enlarged prostate, enlarged prostate transurethral surgery (TURP), erectile dysfunction, kidney removal surgery, kidney stone disease, prostate cancer, urinary endoscopy and UTI among the conditions Dr. Thieu treats.

Urologists near Dr. Thieu

Counts of urologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. William Thieu billed Medicare for 187 services in 2024

CMS data shows 187 Medicare services from Dr. Thieu across 3 procedure codes in 2024, for 152 Medicare patients. Medicare paid $10,320 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024187
Medicare patients152
Paid by Medicare$10,320
Procedure codes3

Dr. Thieu's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1732024: 1598%
Surgery
2023: 402024: 2830%

Dr. Thieu compared with the California median for urologists, 2024

  • Dr. Thieu
  • California median
Medicare services
187vs 1,05082% below
Medicare patients
152vs 34656% below
Part D claims
195vs 64270% below

Medians across 1,310 urologists in California with Dmand AI profiles that report each measure.

Dr. Thieu's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Thieu

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. William Thieu treated 152 Medicare patients in 2024, average age 72

CMS counts 152 Medicare patients who saw Dr. Thieu in 2024. The largest group is 65 to 74, with 72 patients. 75% of them have high blood pressure, and 69% have high cholesterol. 84% are also on Medicaid. Their average risk score is 1.54, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Thieu's median patient age at 70, with 30% women.

Medicare patients, 2024152
Average age72
Average risk score1.54
Also on Medicaid84%

Dr. Thieu's Medicare patients by age, 2024

Dr. Thieu's Medicare patients by sex, 2024

  • Women4630%
  • Men10670%

Chronic conditions among Dr. Thieu's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol69%
  3. Diabetes49%
  4. Arthritis30%
  5. Chronic kidney disease30%
  6. Ischemic heart disease28%
  7. Mood disorders22%
  8. Anxiety19%

Share of Medicare patients with each condition. A patient can have several.

Dr. Thieu's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women30%
  • Men70%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. William Thieu wrote 257 Medicare Part D claims in 2024

In 2024, Dr. Thieu wrote 257 Medicare Part D claims for 77 patients. 78% of them were for generic drugs. CMS names the drug for 195 of them, across 5 drugs with 11 or more claims each, at $40,156 in total drug cost. In 2023, CMS named 181 claims across 6 drugs.

Part D claims, 2024257
Drugs named by CMS5
Total drug cost$40,156
Part D patients77

Dr. Thieu's Part D claims by kind of drug, 2024

  • Generic201 claims78%
  • Brand-name56 claims22%

Dr. Thieu's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Thieu's Part D claims, 2024

  • Antibiotics7%17 of 257 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1812024: 1958%

Drugs named by CMS: 5 in 2024, 6 in 2023.

See all prescribing by Dr. Thieu

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. William Thieu scored 61 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 61 out of 100 for Dr. Thieu for performance year 2024, reported as part of a group. Dr. Thieu accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Thieu as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Thieu's MIPS scores, performance year 2024

  • 61of 100Final score
  • 59.4of 100Quality
  • 0of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 71of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Prostate resection: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. William Thieu has 6 publications on record

Dmand AI links 6 papers to Dr. Thieu, published from 2005 to 2017. The most frequent topics are Aminoacyltransferases, Bacterial Proteins and Cysteine Endopeptidases. Dr. Thieu has published most often in J Biol Chem. Dr. Thieu's most frequent co-authors are Christopher P. Evans, MD, Thenappan M. Chandrasekar, MD and Gaetano Ciancio, MBA, MD.

Papers6
Years published2005 to 2017

Dr. Thieu's papers by year, 2005 to 2017

Topics Dr. Thieu writes about most

  • Aminoacyltransferases
  • Bacterial Proteins
  • Cysteine Endopeptidases
  • Models, Molecular
  • Protein Structure, Secondary
  • Staphylococcus aureus

Dr. Thieu's most frequent co-authors

Recent publications by Dr. Thieu

See all 6 publications and co-authors

See who Dr. Thieu researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Thieu works with, so you can find a warm path to the right urologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. William Thieu received $5,285 in industry payments from 2016 to 2021

CMS Open Payments shows 51 general payments to Dr. Thieu from 9 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 62% of the total. Boston Scientific Corporation paid the most, $1,770.

General payments to Dr. Thieu by program year, 2016 to 2021

General payments to Dr. Thieu by kind, 2016 to 2021

$5.3Kin total
  • Food and beverage$3,27862%
  • Speaker and faculty fees$1,05020%
  • Travel and lodging$95718%

Companies that paid Dr. Thieu the most, 2016 to 2021

Share is of all general payments to this clinician.

See all payments to Dr. Thieu

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. William Thieu graduated from UC Davis School of Medicine

Dr. Thieu graduated from UC Davis School of Medicine in 2014. Dr. Thieu is a member of ACS.

  1. Medical schoolUC Davis School of Medicine
  2. Board certified in urologyAmerican Board of Urology

Source: Dmand AI Professional Profile Data

Dr. William Thieu accepts plans from 4 insurance carriers

Dr. Thieu is in network with 4 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 3. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • CMS Medicare

Plan types Dr. Thieu accepts, by number of carriers

  1. HMO3
  2. Medicare3
  3. POS3
  4. PPO3
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. William Thieu's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. William Thieu

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. William Thieu's NPI number?

Dr. William Thieu's NPI number is 1912273996. It was assigned on March 24, 2012, and it is active in the NPI Registry.

What kind of doctor is Dr. William Thieu?

Dr. William Thieu is a urologist in San Jose, California. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).

Where does Dr. William Thieu practice?

Dr. Thieu practices at 751 South Bascom Avenue, San Jose, CA 95128. Dr. Thieu's primary practice is Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA. Dmand AI also links Dr. Thieu to 1 community health center.

What is Dr. William Thieu's office phone number?

The practice phone on file for Dr. Thieu is (408) 885-5000.

What is Dr. William Thieu's medical license number?

Dr. Thieu's California license number on file is 1.

Which hospitals is Dr. William Thieu affiliated with?

Dr. Thieu practices at Santa Clara Valley Medical Center in San Jose, California.

What medical group is Dr. William Thieu part of?

Dr. Thieu is linked to County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic.

Does Dr. William Thieu accept Medicare?

Yes. CMS data shows Dr. Thieu billed Medicare for 187 services in 2024, and Dr. Thieu accepts Medicare assignment.

Does Dr. William Thieu offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Thieu as offering telehealth services.

What is Dr. William Thieu's MIPS score?

Dr. Thieu's MIPS final score for performance year 2024 is 61 out of 100, reported as part of a group.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. William Thieu see?

CMS counts 152 Medicare patients who saw Dr. Thieu in 2024, with an average age of 72.

Is Dr. William Thieu board certified?

Yes. Dr. Thieu is board certified in urology by the American Board of Urology.

What services does Dr. William Thieu bill to Medicare?

In 2024, Dr. Thieu's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99203) and surgery: urinary system (52000).

Where did Dr. William Thieu go to medical school?

Dr. Thieu graduated from UC Davis School of Medicine in 2014.

What drugs does Dr. William Thieu prescribe most?

In 2024 Medicare Part D data, Dr. Thieu's most prescribed drugs by claims were Finasteride, Tamsulosin HCl and Gemtesa.

Has Dr. William Thieu received payments from drug or device companies?

CMS Open Payments shows $5,285 in general payments to Dr. Thieu from 9 companies from 2016 to 2021. The largest total came from Boston Scientific Corporation.

How long has Dr. William Thieu been practicing?

Dr. Thieu graduated from medical school in 2014, 12 years ago.

Does Dr. William Thieu do research?

Dmand AI links 6 publications to Dr. Thieu, published from 2005 to 2017.

Who does Dr. William Thieu publish with?

Dr. Thieu's most frequent co-authors are Christopher P. Evans, MD (2 shared papers), Thenappan M. Chandrasekar, MD (1 shared paper) and Gaetano Ciancio, MBA, MD (1 shared paper).

What insurance does Dr. William Thieu accept?

Dr. Thieu is in network with 4 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 3. Check the plan with the practice before a visit.

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