Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Alison Papantoniou
Behavior Analyst in Spring Hill, FL · enumerated 2016.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1821447442
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Registry record
Entity type Individual (Type 1)
Name Mrs. Alison Papantoniou
Sex Female
Practice address 4384 Hunters Pass, Spring Hill, FL, 34609
Phone (703) 638-4316
Enumeration date Jun 4, 2016
Last updated in NPPES Jul 21, 2021
Taxonomy & licenses
103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License 1-18-33772 (FL) 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 Alison Papantoniou's NPI record?
Cross-check NPI 1821447442 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1821447442 active?
Yes, as of the latest NPPES snapshot, NPI 1821447442 is active (record last updated 2021-07-21).
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-07-21.