Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Charles R Duda, D.C.
Chiropractor in Marinette, WI · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1255381588
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Registry record
Entity type Individual (Type 1)
Name Dr. Charles R Duda
Credential D.C.
Sex Male
Practice address 3110 Gilbert St, Marinette, WI, 54143
Phone (715) 732-4018
Fax (715) 735-6864
Enumeration date May 10, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders.
About the DC credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 200808401011 | Other | WI | BCBS GROUP # |
| 38999700 | Medicaid | WI | - |
| 4724161 | Medicaid | MI | - |
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 Charles Duda?
The National Provider Identifier (NPI) for Charles Duda is 1255381588, a Type 1 (individual) record in the CMS NPPES registry.
Where does Charles Duda practice?
The practice location on file with NPPES is in Marinette, WI. 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 2007-07-08.