Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum
David Z Gadzinski MD PC
Family Medicine Physician in Ludington, MI · enumerated 2006 · authorized official David Gadzinski, President.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1861503658
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Registry record
Taxonomy & classification
Authorized official
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 080E360010 | Other | MI | MI BLUE CROSS BLUE SHIELD |
| 115533 | Other | MI | PPOM |
| 5972242 | Other | - | AETNA |
| 1443200 | Medicaid | MI | - |
| 900019846 | Other | MI | PRIORITY HEALTH |
| DG5084 | Other | - | RAILROAD MEDICARE |
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 a Type 2 NPI?
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Providers at this address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-08-11.