Provider Profile
Ethan Du
Unclaimed ProfileAbout Ethan Du
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Specialty
Credentials & Licensing
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.
Contact Information
- (909) 596-4346
- Email not available
Practice Locations
400 N MOUNTAIN AVE STE 100
Upland, CA 91786
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other providers at this location 4
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Common questions
Where can I find Ethan Du?
Ethan Du is listed at 400 N Mountain Ave Ste 100, Upland, CA 91786. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Ethan Du?
The number on file is (909) 596-4346. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Ethan Du?
Ethan Du's National Provider Identifier is 1215854781. 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
Is Ethan Du's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Ethan Du. 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.