Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor
Pshtiwan A Tahir, M.D.
Hospitalist Physician in Chambersburg, PA · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1346417730
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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 |
|---|---|---|---|
| 9263404 | Other | PA | AETNA NON-HMO |
| 1007307260034 | Other | PA | MEDICAID GROUP # |
| MD437988 | Other | PA | MEDICAL LICENCE |
| P00768398 | Other | PA | RAILROAD MEDICARE |
| 120420410 | Other | PA | DEPT OF LABOR |
| 25-1716306 | Other | PA | INFORMED |
| 25-1716306 | Other | PA | HEALTHNET/TRICARE |
| 25-1716306 | Other | PA | SOUTH CENTRAL PREFERRED |
| 50088509 | Other | PA | CAPITAL BLUECROSS |
| TA2123270 | Other | PA | HIGHMARK BLUESHIELD |
| 1346417730 | Other | PA | HEALTH AMERICA |
| 1585291 | Other | PA | GATEWAY |
| 102372750 0001 | Medicaid | PA | - |
| 102372750 0002 | Medicaid | PA | - |
| 25-1716306 | Other | PA | INTERGROUP |
| 25-1716306 | Other | PA | GREATWEST HEALTHCARE |
| 2507285 | Other | PA | MAMSI GROUP # (WH) |
| 289493 | Other | PA | UNISON |
| 867633 | Other | PA | MEDICARE GROUP # |
| 6024884 | Other | PA | AETNA HMO |
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 2023-03-07.