Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Lynn Brennan
Dentist in Manchester, NH · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1164646246
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Registry record
Entity type Individual (Type 1)
Name Dr. Lynn Brennan
Sex Female
Practice address 1361 Elm St, Suite 202, Manchester, NH, 03101
Phone (603) 668-6360
Fax (603) 622-8410
Enumeration date Apr 12, 2007
Last updated in NPPES Jul 8, 2007
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
What is the NPI number for Lynn Brennan?
The National Provider Identifier (NPI) for Lynn Brennan is 1164646246, a Type 1 (individual) record in the CMS NPPES registry.
Where does Lynn Brennan practice?
The practice location on file with NPPES is in Manchester, NH. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → John Ahman Addiction (Substance Use Disorder) Counselor · Manchester, NH NPI 1235136250 West Treatment Center Substance Abuse Rehabilitation Facility · Manchester, NH NPI 1578560249 Barbara Shagoury Social Worker · Manchester, NH NPI 1295765709 Patricia Wege Counselor · Manchester, NH NPI 1770596967 Ellen Papanikolaou Mental Health Counselor · Manchester, NH NPI 1851485593 Kevin Keefe Clinical Social Worker · Manchester, NH NPI 1952480386 Howard Goodman Clinical Psychologist · Manchester, NH NPI 1194939967 April Kosinski Chiropractor · Manchester, NH NPI 1487848388
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.