Provider Profile
Joseph P. Nguyen is a physician assistant based in Chino, CA. According to Medicare claims data, the services billed most often include emergency department visit with moderate level of medical decision making.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
5451 WALNUT AVE
Chino, CA 91710
21 services · 21 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
21 | Less often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Joseph P. Nguyen is a physician assistant in Chino, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Joseph P. Nguyen is listed at 5451 Walnut Ave, Chino, CA 91710. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (909) 464-8600. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Joseph P. Nguyen's National Provider Identifier is 1669901468. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Joseph P. Nguyen has 9+ years experience. Registered with an NPI since 2017. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
According to Medicare billing data, Joseph P. Nguyen the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Joseph P. Nguyen. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.