Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Allison Elizabeth Van Arsdale, D.O.

Hospitalist Physician in Southampton, NY · enumerated 2011.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1407143894

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Registry record

Entity type Individual (Type 1)

Name Dr. Allison Elizabeth Van Arsdale

Credential D.O.

Sex Female

Practice address 240 Meeting House Ln, Southampton, NY, 11968

Phone (631) 726-8300

Fax (631) 726-8886

Enumeration date Jul 6, 2011

Last updated in NPPES Oct 18, 2024

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 262017 (NY) Secondary

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License 262017 (NY) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Allison Van Arsdale?

The National Provider Identifier (NPI) for Allison Van Arsdale is 1407143894, a Type 1 (individual) record in the CMS NPPES registry.

Where does Allison Van Arsdale practice?

The practice location on file with NPPES is in Southampton, NY. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-10-18.