Ethan Du
Ethan Du is a Occupational Therapy Assistant provider (Occupational Therapy Assistant) practicing in Upland, CA, registered in the NPPES registry with NPI 1215854781 since 2026.
✓ Active NPI ✓ Valid NPI checksum
| NPI | 1215854781 |
|---|---|
| Entity type | Individual (Type 1) |
| Name | Ethan Du |
| Sex | Male |
| Practice address | 400 N MOUNTAIN AVE STE 100, Upland, CA, 91786 |
| Phone | 909-596-4346 |
| Enumeration date | 2026-07-03 |
| Last updated in NPPES | 2026-07-03 |
Taxonomy & licenses
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 224Z00000X | Occupational Therapy Assistant | Primary | 550205 | CA |
Copy-ready billing details
Provider: Ethan Du NPI: 1215854781 Taxonomy: 224Z00000X (Occupational Therapy Assistant) Address: 400 N MOUNTAIN AVE STE 100, Upland, CA, 91786
Other providers at this practice address
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1497605950 | Sarah Tinsley | Individual | Physical Therapy Assistant | Upland, CA |
Verify this record
Cross-check NPI 1215854781 against the authoritative CMS record: view Ethan Du on the official NPPES registry .
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.
Frequently asked questions
Is NPI 1215854781 active?
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Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2026-07-03.