Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor
Maxwell Ian Weiler, PHARM.D.
Pharmacist in Belleville, IL · enumerated 2015 · practices at Highland Park Cvs LLC.
Data current as of Jul 11, 2026 · sourced from CMS NPPES
National Provider Identifier
1992196174
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Registry record
Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.
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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.
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Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2015-02-10.