Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Richard P Pearlstein, M.D.
Otolaryngology Physician in Phoenix, AZ · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1134214851
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 341112079028 | Other | - | CARESOURCE |
| 040012377 | Other | - | MEDICARE RAILROAD |
| 1546564 | Other | - | GATEWAY |
| 000000127502 | Other | OH | ANTHEM |
| 3270308001 | Other | OH | CIGNA |
| Z65682 | Other | - | SUMMACARE |
| 000000127502 | Other | - | UNICARE |
| 588765 | Medicaid | AZ | - |
| 112089 | Other | - | UNISON |
| 2049161 | Medicaid | OH | - |
| 099857 | Other | - | SELECT BLUE |
| 10-00511 | Other | OH | UHC |
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 2026-03-20.