Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Emily Tieu
Social Worker in Boston, MA · enumerated 2020.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1023636123
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Registry record
Entity type Individual (Type 1)
Name Emily Tieu
Sex Female
Practice address 4228 Washington St, Boston, MA, 02131
Phone (617) 286-2087
Fax (617) 507-5387
Enumeration date Jul 6, 2020
Last updated in NPPES Nov 6, 2025
Taxonomy & licenses
104100000X Social Worker Behavioral Health & Social Service Providers · License LCSW2121336 (MA) 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.
Frequently asked questions
Where does Emily Tieu practice?
The practice location on file with NPPES is in Boston, MA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Emily Tieu?
The National Provider Identifier (NPI) for Emily Tieu is 1023636123, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Daisha Roberts Clinical Social Worker · Boston, MA NPI 1619685716 Briyith Betances-Hidalgo Clinical Social Worker · Boston, MA NPI 1588440382 Yesenia De Jesus Clinical Social Worker · Boston, MA NPI 1508687096 Sonny Wellness Center LLC Clinical Social Worker · Boston, MA NPI 1992520670 Uzima Health & Wellness, Pllc Psychologist · Roslindale, MA NPI 1255212882 Catherine Gaudet Clinical Social Worker · Boston, MA NPI 1700750239 Karla Travieso Clinical Social Worker · Boston, MA NPI 1811863806
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-11-06.