Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor
Dr. William Peyton Shirley, M.D.
Pediatric Otolaryngology Physician in Birmingham, AL · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1568556280
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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 |
|---|---|---|---|
| 511-46495 | Other | AL | BLUECROSS BLUESHIELD |
| 7639777 | Other | AL | AETNA |
| 159949 | Medicaid | AL | - |
| 160779 | Medicaid | AL | - |
| 630307306 | Other | AL | UNITED HEALTHCARE |
| 8216659 | Other | AL | CIGNA |
| I35803 | Other | AL | VIVA HEALTH |
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 2024-11-16.