Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Karen Letourneau, NP
Nurse Practitioner in Lynn, MA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1033249354
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Registry record
Entity type Individual (Type 1)
Name Karen Letourneau
Credential NP
Sex Female
Practice address 19 Porter St, Lynn, MA, 01902
Phone (781) 599-3925
Fax (781) 599-4204
Enumeration date Mar 6, 2007
Last updated in NPPES Dec 13, 2011
Taxonomy & licenses
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 119-806 (MA) Primary
NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority.
About the NP credential
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 Karen Letourneau?
The National Provider Identifier (NPI) for Karen Letourneau is 1033249354, a Type 1 (individual) record in the CMS NPPES registry.
Where does Karen Letourneau practice?
The practice location on file with NPPES is in Lynn, 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 2011-12-13.