Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Donald J Matthees, MD
Pulmonary Disease Physician in Fargo, ND · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1699706358
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 4800136 | Other | MN | MEDICA # |
| 325 | Other | ND | NDBS # |
| 4800204 | Other | ND | MEDICA # |
| HP25806 | Other | ND | HEALTHPARTNERS # |
| ND200048 | Other | ND | LHS # |
| DA9011015563 | Other | ND | PREFERRED ONE # |
| 4800131 | Other | ND | MEDICA # |
| 905894 | Other | ND | AMERICA'S PPO/ARAZ # |
| 142037 | Other | ND | UCARE # |
| 13771 | 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.
Frequently asked questions
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Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-08-22.