Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ms. Maria Elena Keeley
Pharmacist in Billerica, MA · enumerated 2020.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1124621479
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Registry record
Entity type Individual (Type 1)
Name Ms. Maria Elena Keeley
Sex Female
Practice address 700 Boston Rd, Billerica, MA, 01821
Phone (978) 667-7666
Fax (978) 670-9295
Enumeration date Nov 19, 2020
Last updated in NPPES Nov 19, 2020
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
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Maria Keeley?
Maria Keeley is registered in NPPES with the primary taxonomy of Pharmacist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-11-19.