Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dongyan Yu, LIC. AC.
Acupuncturist in Acton, MA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1821119066
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Registry record
Entity type Individual (Type 1)
Name Dongyan Yu
Credential LIC. AC.
Sex Female
Practice address 1 Hillcrest Dr, Acton, MA, 01720
Phone (978) 257-7891
Enumeration date Apr 3, 2007
Last updated in NPPES Jul 8, 2007
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 Dongyan Yu?
The National Provider Identifier (NPI) for Dongyan Yu is 1821119066, a Type 1 (individual) record in the CMS NPPES registry.
Where does Dongyan Yu practice?
The practice location on file with NPPES is in Acton, 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 2007-07-08.