Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Justus James Cross, LMSW
Social Worker in Massena, NY · enumerated 2024.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1639916091
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Registry record
Entity type Individual (Type 1)
Name Mr. Justus James Cross
Credential LMSW
Sex Male
Practice address 16 Phillips St, Massena, NY, 13662
Phone (315) 764-8076
Fax (315) 764-8079
Enumeration date Jul 12, 2024
Last updated in NPPES Mar 26, 2025
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
Is NPI 1639916091 active?
Yes, as of the latest NPPES snapshot, NPI 1639916091 is active (record last updated 2025-03-26).
How do I verify Justus Cross's NPI record?
Cross-check NPI 1639916091 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-03-26.