William Chu, PA-C
- Medicare patients, 2024
- 32
- Part D claims, 2024
- 2,940
- Industry payments
- $1,262
- Affiliated sites
- 2
- State license
- 1
- Practice address
- 767 North Hill Street, Suite 400, Los Angeles, CA 90012
- Practice phone
- Call (213) 808-1792
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Chinatown Service Center Family Health Clinic
FQHC - Main Site · Los Angeles, California
Find William Chu's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
William Chu is a physician assistant in Los Angeles, California
William Chu practices at Chinatown Service Center Family Health Clinic in Los Angeles, California.
William Chu's NPI, 1043227804, was assigned on August 2, 2006. William Chu holds California license PA 15296.
- NPI
- 1043227804NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183521388
- NPI enumeration date
- August 2, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (213) 808-1792
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
William Chu practices at Chinatown Service Center Family Health Clinic in Los Angeles, California
William Chu's primary practice is Chinatown Service Center Family Health Clinic, at 767 North Hill Street, Suite 400, Los Angeles, CA 90012. The practice phone is (213) 808-1792.
- Chinatown Service Center Family Health Clinic767 North Hill Street, Suite 400, Los Angeles, CA 90012Phone(213) 808-1792
Source: Dmand AI Affiliation Data
William Chu is affiliated with 2 sites of care
William Chu's primary practice is Chinatown Service Center Family Health Clinic in Los Angeles, California. Dmand AI also links William Chu to 1 physician office, named with a free account. William Chu's employer is on file too: a community health center (fqhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at William Chu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Chu practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Chinatown Service Center Family Health Clinic | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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William Chu is one of 2,381 physician assistants in California
Medical is William Chu's primary specialty in the NPI Registry, under taxonomy code 363AM0700X. William Chu is licensed in California.
Specialties and state licenses
- Medical physician assistant, CaliforniaPrimary
Physician assistants near William Chu
Counts of physician assistants 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
William Chu treated 32 Medicare patients in 2024, average age 71
CMS counts 32 Medicare patients who saw William Chu in 2024. The largest group is 75 to 84, with 12 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.58, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts William Chu's median patient age at 50, with 52% women.
William Chu's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
William Chu's Medicare patients by sex, 2024
- Women1959%
- Men1341%
Chronic conditions among William Chu's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis69%
- Diabetes63%
Share of Medicare patients with each condition. A patient can have several.
William Chu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
William Chu wrote 2,940 Medicare Part D claims in 2024
In 2024, William Chu wrote 2,940 Medicare Part D claims for 120 patients. 69% of them were for generic drugs.
William Chu's Part D claims by kind of drug, 2024
- Generic2,037 claims69%
- Brand-name832 claims28%
- Other71 claims2%
Drug classes CMS tracks in William Chu's Part D claims, 2024
- Antibiotics4%108 of 2,940 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
William Chu offers telehealth to Medicare patients
William Chu accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists William Chu as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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William Chu received $1,262 in industry payments in 2025
CMS Open Payments shows 33 general payments to William Chu from 13 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $247.
Companies that paid William Chu the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for William Chu's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about William Chu
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is William Chu's NPI number?
William Chu's NPI number is 1043227804. It was assigned on August 2, 2006, and it is active in the NPI Registry.
What does William Chu specialize in?
William Chu is a physician assistant in Los Angeles, California. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).
Where does William Chu practice?
William Chu practices at 767 North Hill Street, Suite 400, Los Angeles, CA 90012. William Chu's primary practice is Chinatown Service Center Family Health Clinic in Los Angeles, California. Dmand AI also links William Chu to 1 physician office.
What is William Chu's office phone number?
The practice phone on file for William Chu is (213) 808-1792.
What is William Chu's medical license number?
William Chu holds California license PA 15296.
Does William Chu accept Medicare?
Yes. CMS lists William Chu as accepting Medicare assignment.
Does William Chu offer telehealth?
Yes. The CMS Doctors and Clinicians file lists William Chu as offering telehealth services.
How many Medicare patients does William Chu see?
CMS counts 32 Medicare patients who saw William Chu in 2024, with an average age of 71.
Has William Chu received payments from drug or device companies?
CMS Open Payments shows $1,262 in general payments to William Chu from 13 companies from 2025 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has William Chu been practicing?
William Chu graduated from medical school in 1999, 27 years ago.
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