Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Ari Michael Hirschfeld, M.S.,A.T.,C.
Specialist in Arlington Heights, IL · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1518934462
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Registry record
Entity type Individual (Type 1)
Name Mr. Ari Michael Hirschfeld
Credential M.S.,A.T.,C.
Sex Male
Practice address 1900 E Thomas St, Arlington Heights, IL, 60004
Phone (847) 718-4957
Enumeration date Feb 28, 2006
Last updated in NPPES Jul 13, 2026
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
What is the NPI number for Ari Hirschfeld?
The National Provider Identifier (NPI) for Ari Hirschfeld is 1518934462, a Type 1 (individual) record in the CMS NPPES registry.
Where does Ari Hirschfeld practice?
The practice location on file with NPPES is in Arlington Heights, IL. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-07-13.