Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Hai Choy, O.M.
Acupuncturist in Winchester, MA · enumerated 2013.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1972924066
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Registry record
Entity type Individual (Type 1)
Name Hai Choy
Credential O.M.
Sex Male
Practice address 5 Florence St, Winchester, MA, 01890
Phone (781) 305-3301
Enumeration date Dec 17, 2013
Last updated in NPPES Dec 17, 2013
Taxonomy & licenses
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 Hai Choy?
The National Provider Identifier (NPI) for Hai Choy is 1972924066, a Type 1 (individual) record in the CMS NPPES registry.
Where does Hai Choy practice?
The practice location on file with NPPES is in Winchester, MA. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-12-17.