Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Joseph Alexander Matthews, CRSP, CPRS
Peer Specialist in Edison, NJ · enumerated 2022.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1538801931
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Registry record
Entity type Individual (Type 1)
Name Joseph Alexander Matthews
Credential CRSP, CPRS
Sex Male
Practice address 100 Metroplex Dr Ste 200, Edison, NJ, 08817
Phone (732) 235-8400
Enumeration date Apr 7, 2022
Last updated in NPPES Apr 8, 2022
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 1538801931 active?
Yes, as of the latest NPPES snapshot, NPI 1538801931 is active (record last updated 2022-04-08).
How do I verify Joseph Matthews's NPI record?
Cross-check NPI 1538801931 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 2022-04-08.