Willy Ng Chua, MD
Pulmonary Disease Physician · Placentia, CA
Willy Ng Chua, MD is a pulmonary disease physician with a practice address in Placentia, California, and NPI 1326009275, issued on Mar 30, 2006. Check the license (California A50664, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Willy Ng Chua
- Credential
- MD
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License numbers
- A50664 CA
ME054079 FL
Self-reported in NPPES; status is on the state search - Practice location
- 1325 N Rose Dr Ste 102, Placentia, CA 92870
- Phone
- (714) 577-2124
- Enumerated
- Mar 30, 2006
- Record last updated
- Mar 14, 2025
- Medicaid ID
- 260460400 FL
- Medicare enrollment
- Enrolled (PECOS I20190703002046); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 1,443 in California → Look up another NPI →
Also registered at 1325 N Rose Dr Ste 102
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Devang Savani, M.D.Pulmonary Disease Physician1285734970
Verify Willy Ng Chua in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A50664Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
397 Medicare Part D claims for 77 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 64% of claims.
Most prescribed
- Albuterol Sulfate Hfa49 claims
- Breztri Aerosphere46 claims
- Montelukast Sodium46 claims
- Spiriva Respimat45 claims
- Breo Ellipta26 claims
- Trelegy Ellipta24 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $266.16
12 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 8,806 providers of this specialty with any payment received $5,159.88 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
- Chest And Critical Care Consultants A Medical GroupPlacentia, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Willy Ng Chua among 1,443 pulmonary disease physician records in California
Willy Ng Chua, MD is one of 1,443 pulmonary disease physician records with a practice address in California. 84% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 51% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1985 · median 2002 among the 1,061 with a school on file
- Record last updated2025 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in California
There are 1,443 pulmonary disease physician records in California.
All 1,443 in California → Every provider in Placentia → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Devang Savani, M.D.Placentia, CA 928701285734970
- Fatima Ajaz, M.DOrange, CA 928681477731461
- Sebastian Arcila, MDOrange, CA 928681588956007
- Matthew Brenner, MDOrange, CA 928681457431538
- Elsa Camarillo, D.O.Orange, CA 928681194187781
- Henri G Colt, MDOrange, CA 928681295815389
- Hassan HashmOrange, CA 928681528589405
- Christopher Hwe, M.D.Orange, CA 928681790149136
Common questions
What is Willy Ng Chua, MD's NPI number?
Willy Ng Chua, MD's National Provider Identifier (NPI) is 1326009275, issued on Mar 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Willy Ng Chua, MD located?
The NPPES record lists a practice address at 1325 N Rose Dr Ste 102, Placentia, CA, 92870. Phone: (714) 577-2124. Providers update this record themselves, so call before visiting.
How can I verify Willy Ng Chua, MD's license?
NPPES lists California license number A50664, 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 Willy Ng Chua, MD prescribe under Medicare Part D?
In 2024, Willy Ng Chua, MD had 397 Medicare Part D claims for 77 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
What is Willy Ng Chua, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.