William Chu, M.D.
NPI 1992063721 · Urology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Chu, M.D. is a Urology Physician provider in Los Angeles, CA (NPI 1992063721).
Provider details
- NPI number
- 1992063721
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A119140 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
14 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 374 | 148 |
| Finasteride | 310 | 117 |
| Mirabegronbrand: Myrbetriq | 227 | 65 |
| Mirabegronbrand: Mirabegron Er | 107 | 51 |
| Ciprofloxacin Hcl | 78 | 70 |
| Potassium Citratebrand: Potassium Citrate Er | 34 | 14 |
| Trospium Chloride | 26 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$263 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-04-30
- Last updated
- 2021-12-03
- Certified
- 2020-08-04
Frequently asked questions
- What is William Chu's NPI number?
- William Chu's National Provider Identifier (NPI) is 1992063721, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Chu's specialty?
- William Chu is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is William Chu located?
- William Chu's practice location on file with NPPES is 4760 W Sunset Blvd, Los Angeles, CA 90027-6063.
- What is William Chu's phone number?
- The practice phone number listed in the NPPES registry for William Chu is (323) 783-1737.
- Does William Chu accept Medicare?
- William Chu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Chu's NPI active?
- Yes — William Chu's NPI (1992063721) is active in the NPPES registry as of the last update on 2021-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.