Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Christian J Hirsch, M.D. PC
Colon & Rectal Surgery Physician in Corpus Christi, TX · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1871602789
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0192217 | Other | NY | GHI PPO# |
| 6C1591 | Other | NY | HEALTHNET ID# |
| 01884335 | Medicaid | NY | - |
| 260874829 | Other | NY | TAX IDENTIFICATION NUMBER |
| 2J6581 | Other | NY | EMPIRE BCBS # |
| 5989636 | Other | NY | AETNA PPO# |
| P927644 | Other | NY | OXFORD ID# |
| 1733914 | Other | NY | AETNA HMO |
| 463151701 | Medicaid | TX | - |
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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Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-11-06.