Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Mark A Moen, OD
Corneal and Contact Management Optometrist in Devils Lake, ND · enumerated 2006 · practices at Drs Moen Enderle and Krein PC.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1124124623
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 450433379000 | Other | ND | WORKERS SAFETY AND COMP |
| 800441 | Other | ND | ND VISION SERVICES |
| 8844 | Other | ND | BS OF NORTH DAKOTA |
| CI2649 | Other | ND | PALMETTO GBA - RAILROAD MEDICARE |
| 0311120001 | Other | ND | CIGNA MEDICARE SERVICE |
| 60342 | Medicaid | ND | - |
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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Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-05-15.