William Chu, PA-C
Medical Physician Assistant · Los Angeles, CA
William Chu, PA-C is a medical physician assistant with a practice address in Los Angeles, California, and NPI 1043227804, issued on Aug 2, 2006. Check the license (California PA 15296, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Chu
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA 15296 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3712 Whittier Blvd, Los Angeles, CA 90023
- Phone
- (323) 268-8347
- Enumerated
- Aug 2, 2006
- Record last updated
- Jun 27, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (323) 268-8368
- Medicaid ID
- PA 15296 CA
- Medicare enrollment
- Enrolled (PECOS I20031216000626); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,376 in California → Look up another NPI →
Also registered at 3712 Whittier Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Siri Hongsathavij, M.D.General Practice Physician1205014339
- Quynam Nguyen, M.D.Internal Medicine Physician1255452454
Verify William Chu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA 15296Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average medical physician assistant in 2024
2,940 Medicare Part D claims for 120 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Atorvastatin Calcium125 claims
- Metformin Hcl104 claims
- Kerendia95 claims
- Diclofenac Sodium93 claims
- Losartan Potassium93 claims
- Levothyroxine Sodium90 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: $2,838.65
82 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 16,165 providers of this specialty with any payment received $1,055.00 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.
William Chu among 3,376 medical physician assistant records in California
William Chu, PA-C is one of 3,376 medical physician assistant records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 80% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated1999 · median 2012 among the 1,347 with a school on file
- Record last updated2008 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in California
There are 3,376 medical physician assistant records in California.
All 3,376 in California → Every provider in Los Angeles → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Jonathan CasillasLos Angeles, CA 900231114150927
- Teobaldo Praslin, PA-CLos Angeles, CA 900231285820985
- Jose Sandoval, P.A.Los Angeles, CA 900231831417138
- Katie BesankoLos Angeles, CA 900241114638053
- Demetrio Cardenas, PA-CLos Angeles, CA 900221992252738
- Katherine Chin, PALos Angeles, CA 900221053654640
- Emmanuelle Marie CigarroaEast Los Angeles, CA 900221063134518
- Michael Eaton, PA-CLos Angeles, CA 900221265505614
Common questions
What is William Chu, PA-C's NPI number?
William Chu, PA-C's National Provider Identifier (NPI) is 1043227804, issued on Aug 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Chu, PA-C located?
The NPPES record lists a practice address at 3712 Whittier Blvd, Los Angeles, CA, 90023. Phone: (323) 268-8347. Providers update this record themselves, so call before visiting.
How can I verify William Chu, PA-C's license?
NPPES lists California license number PA 15296, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does William Chu, PA-C prescribe under Medicare Part D?
In 2024, William Chu, PA-C had 2,940 Medicare Part D claims for 120 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.