Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
William W Baber, MD
Diagnostic Radiology Physician in St Louis, MO · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1811008444
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 2781 | Other | - | GHP |
| 1600240 | Other | - | PH PLAN |
| 4871 | Other | - | HCARE USA |
| E40645 | Other | - | GATE WAY |
| 1390 | Other | - | MO BLUE |
| 300065 | Other | - | HLT PART |
| 004013128 | Other | - | MO CARE |
| 203086707 | Other | - | MO CAID |
| 24363 | Other | - | BLUE CHOICE |
| 138494 | Other | - | H LINK |
| 203086707 | Other | - | MC MCAID |
| 001012444 | Other | - | CARE |
| 0006021895 | Other | - | IL BLUE |
| 001012444 | Other | - | MO CARE |
| 004013128 | Other | - | CARE |
| 300066927 | Other | - | PR CARE |
| 431725842MID | Other | - | MERCY |
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 2009-03-18.