Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Allen Michael Larsen Jr., MS, ATC
Athletic Trainer in Bloomsburg, PA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1881623262
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Registry record
Entity type Individual (Type 1)
Name Mr. Allen Michael Larsen Jr.
Credential MS, ATC
Sex Male
Practice address 128 Nelson Field House, Bloomsburg University, Bloomsburg, PA, 17815
Phone (570) 389-4369
Fax (570) 389-2099
Enumeration date Jun 30, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
2255A2300X Athletic Trainer Respiratory, Developmental, Rehabilitative and Restorative Service Providers 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 Allen Larsen's NPI record?
Cross-check NPI 1881623262 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1881623262 active?
Yes, as of the latest NPPES snapshot, NPI 1881623262 is active (record last updated 2007-07-08).
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.