Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Anna Merrill
Psychologist in Worcester, MA · enumerated 2016.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1528515822
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Registry record
Entity type Individual (Type 1)
Name Anna Merrill
Sex Female
Practice address 800 Main St, Worcester, MA, 01610
Phone (774) 415-0003
Enumeration date Sep 2, 2016
Last updated in NPPES Oct 20, 2021
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1473276 | Medicaid | OH | - |
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 Anna Merrill?
The National Provider Identifier (NPI) for Anna Merrill is 1528515822, a Type 1 (individual) record in the CMS NPPES registry.
Where does Anna Merrill practice?
The practice location on file with NPPES is in Worcester, 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 2021-10-20.