Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Esther Mackenzie, CNP
Nurse Practitioner in Lynn, MA · enumerated 2016.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1942751946
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Registry record
Entity type Individual (Type 1)
Name Esther Mackenzie
Credential CNP
Sex Female
Practice address 280 Union St, Lynn, MA, 01901
Phone (781) 581-3900
Enumeration date Oct 14, 2016
Last updated in NPPES Oct 14, 2016
Taxonomy & licenses
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License RN2265275 (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
How do I verify Esther Mackenzie's NPI record?
Cross-check NPI 1942751946 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1942751946 active?
Yes, as of the latest NPPES snapshot, NPI 1942751946 is active (record last updated 2016-10-14).
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-10-14.