Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Isaac Hsu

Attendant Care Provider in Tucson, AZ · enumerated 2024 · practices at Elim Palmtrees Assisted Living LLC.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1538923115

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Registry record

Entity type Individual (Type 1)

Name Isaac Hsu

Sex Male

Practice address 5721 E Waverly St, Tucson, AZ, 85712

Phone (714) 858-5021

Enumeration date Feb 13, 2024

Last updated in NPPES Feb 13, 2024

Taxonomy & licenses

3747A0650X Attendant Care Provider Nursing Service Related Providers Primary

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 → Validate an NPI →

Frequently asked questions

Is NPI 1538923115 active?

Yes, as of the latest NPPES snapshot, NPI 1538923115 is active (record last updated 2024-02-13).

How do I verify Isaac Hsu's NPI record?

Cross-check NPI 1538923115 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Other providers at this practice address

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Elim Palmtrees Assisted Living LLC Assisted Living Facility · Tucson, AZ NPI 1497519029

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-02-13.