Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Joseph Kinhsing Tsai, L.AC.
Acupuncturist in Harrison, NJ · enumerated 2016.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1578911210
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Registry record
Entity type Individual (Type 1)
Name Joseph Kinhsing Tsai
Credential L.AC.
Sex Male
Practice address 728 William St, Harrison, NJ, 07029
Phone (973) 484-0826
Enumeration date Jun 2, 2016
Last updated in NPPES Jun 2, 2016
Taxonomy & licenses
LAC · Licensed Acupuncturist: A practitioner licensed to perform acupuncture.
About the LAC credential
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.
Frequently asked questions
What is the NPI number for Joseph Tsai?
The National Provider Identifier (NPI) for Joseph Tsai is 1578911210, a Type 1 (individual) record in the CMS NPPES registry.
Where does Joseph Tsai practice?
The practice location on file with NPPES is in Harrison, NJ. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-06-02.