Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Anna R Maynes, RDN, LDN
Registered Dietitian in Boston, MA · enumerated 2019.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1821646522
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Registry record
Entity type Individual (Type 1)
Name Anna R Maynes
Credential RDN, LDN
Sex Female
Practice address 300 Longwood Ave, Boston, MA, 02115
Phone (617) 355-6000
Enumeration date Aug 27, 2019
Last updated in NPPES Nov 21, 2023
Taxonomy & licenses
133V00000X Registered Dietitian Dietary & Nutritional Service Providers · License LDN4007 (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
What is the NPI number for Anna Maynes?
The National Provider Identifier (NPI) for Anna Maynes is 1821646522, a Type 1 (individual) record in the CMS NPPES registry.
Where does Anna Maynes practice?
The practice location on file with NPPES is in Boston, MA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-11-21.