Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor
Clinton Scott Williams, MD
Family Medicine Physician in Huntsville, AL · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1508847856
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Registry record
Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 631223038 | Other | - | TAX IDENTIFICATION NO |
| 0005509737 | Other | - | AETNA |
| 51008592 | Other | AL | BLUE CROSS BLUE SHIELD |
| 080142310 | Other | - | RAILROAD MEDICARE |
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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Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-02-02.