Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Patrick Messerli, MD
Diagnostic Radiology Physician in Durango, CO · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1386775658
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 01343938 | Medicaid | CO | - |
| 825721 | Medicaid | AZ | - |
| 84115593603 | Other | - | PACIFICARE |
| S0065 | Medicaid | NM | - |
| 114627100 | Medicaid | WY | - |
| 44285 | Other | - | PRESBYTERIAN |
| 841155936001 | Other | - | ROCKY MOUNTAIN HEALTH |
| RAB6508 | Other | - | BLUE CROSS BLUE SHIELD |
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 2015-07-07.