William Chu, M.D.
Urology Physician · Los Angeles, CA
William Chu, M.D. is a urology physician with a practice address in Los Angeles, California, and NPI 1992063721, issued on Apr 30, 2012. Check the license (California A119140, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- William Chu
- Credential
- M.D.
- Primary taxonomy
- Urology Physician 208800000X
- License number
- A119140 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4760 W Sunset Blvd, Los Angeles, CA 90027
- Phone
- (323) 783-1737
- Enumerated
- Apr 30, 2012
- Record last updated
- Dec 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20130824000019); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 2010
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest urology physician records → All 1,524 in California → Look up another NPI →
Also registered at 4760 W Sunset Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Chu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A119140Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% fewer Medicare Part D claims than the average urology physician in 2024
1,327 Medicare Part D claims for 422 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 15 claims were for opioids.
Most prescribed
- Tamsulosin Hcl374 claims
- Finasteride310 claims
- Myrbetriq227 claims
- Mirabegron Er107 claims
- Ciprofloxacin Hcl78 claims
- Potassium Citrate Er34 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $262.78
3 payments; by number, the most common kind was food and beverage; the largest payer was Fujifilm Healthcare Americas Corporation. The 9,340 providers of this specialty with any payment received $3,800.04 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupBellflower, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Chu among 1,524 urology physician records in California
William Chu, M.D. is one of 1,524 urology physician records with a practice address in California. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 72% of them.
- NPI issued2012 · 72% of these records are older, 25% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2010 · median 2003 among the 1,049 with a school on file
- Record last updated2021 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in California
There are 1,524 urology physician records in California.
All 1,524 in California → Every provider in Los Angeles → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- John Brusky, MDLos Angeles, CA 900271942323399
- Gary Chien, M.D.Los Angeles, CA 900271639121395
- Roger De Filippo, MDLos Angeles, CA 900271205922614
- Richard Hurwitz, MDLos Angeles, CA 900271851450506
- Jon Kaswick, MDLos Angeles, CA 900271831266717
- Dennis Kim, MDLos Angeles, CA 900271598813511
- Bradley Landis, M.D.Los Angeles, CA 900271538203583
- Monica Metzdorf, M.D.Los Angeles, CA 900271659427219
Common questions
What is William Chu, M.D.'s NPI number?
William Chu, M.D.'s National Provider Identifier (NPI) is 1992063721, issued on Apr 30, 2012. An NPI identifies a provider in billing; it is not a license.
Where is William Chu, M.D. located?
The NPPES record lists a practice address at 4760 W Sunset Blvd, Los Angeles, CA, 90027. Phone: (323) 783-1737. Providers update this record themselves, so call before visiting.
How can I verify William Chu, M.D.'s license?
NPPES lists California license number A119140, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Chu, M.D. prescribe under Medicare Part D?
In 2024, William Chu, M.D. had 1,327 Medicare Part D claims for 422 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.