Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum
Gundersen and Zuker Pllc
Optometrist in Muskegon, MI · enumerated 2006 · authorized official Elizabeth Furtaw, Billing Specialist.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1831270891
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Registry record
Taxonomy & classification
Authorized official
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 410012883 | Other | MI | RAILROAD MEDICARE |
| 5082466 | Medicaid | MI | - |
| 1417993098 | Other | - | NPI DAVID GUNDERSEN OD |
| 5082457 | Medicaid | MI | - |
| 1104907153 | Other | - | NPI RONALD ZUKER OD |
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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Providers at this address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-01-08.