Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Larry L Larsen, PHD
Psychologist in Andover, MA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1396855474
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Registry record
Entity type Individual (Type 1)
Name Dr. Larry L Larsen
Credential PHD
Sex Male
Practice address 28 Andover Street, Andover, MA, 01810
Phone (978) 475-6622
Fax (978) 475-8436
Enumeration date Aug 30, 2006
Last updated in NPPES Dec 7, 2010
Taxonomy & licenses
PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers.
About the PHD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0501735 | Medicaid | MA | - |
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 Larry Larsen?
The National Provider Identifier (NPI) for Larry Larsen is 1396855474, a Type 1 (individual) record in the CMS NPPES registry.
Where does Larry Larsen practice?
The practice location on file with NPPES is in Andover, MA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-12-07.