Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Amos Chen
Counselor in Chelsea, MA · enumerated 2024.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1639994411
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Registry record
Entity type Individual (Type 1)
Name Amos Chen
Sex Male
Practice address 301 Broadway, Chelsea, MA, 02150
Phone (617) 889-4860
Fax (617) 889-4635
Enumeration date Nov 18, 2024
Last updated in NPPES Nov 18, 2024
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
Where does Amos Chen practice?
The practice location on file with NPPES is in Chelsea, MA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Amos Chen?
The National Provider Identifier (NPI) for Amos Chen is 1639994411, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Christopher Harmon Psychiatry Physician · Chelsea, MA NPI 1710912779 Sandra Diener Social Worker · Chelsea, MA NPI 1467477513 Shannon Wiedenman Social Worker · Chelsea, MA NPI 1649384215 Deborah Shea Clinical Social Worker · Chelsea, MA NPI 1295840866 David Selden Clinical Social Worker · Chelsea, MA NPI 1982705729 Matthew Sweeney Clinical Social Worker · Chelsea, MA NPI 1508954215 Marissa Rumasuglia Social Worker · Chelsea, MA NPI 1407944515 Barbara Wilson Clinical Social Worker · Chelsea, MA NPI 1750457636
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-11-18.