Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor
Arthur O Duppstadt, OD
Optometrist in Leechburg, PA · enumerated 2006 · practices at Arthur O. Duppstadt P.C..
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1972676138
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Registry record
Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 001011ZDJ0 | Other | - | MEDICARE PTAN |
| 1026200260001 | Medicaid | PA | - |
| OEG001288 | Other | PA | OPTOMETRIC LICENSE |
| 001965801 | Other | - | HIGHMARK PROVIDER NUMBER |
| 1518161413 | Other | - | NPI TYPE 2 |
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
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Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-09-17.