Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Alan J Pollack, MD
Ophthalmology Physician in Alexandria, VA · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1629063052
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 286919 | Other | - | MAMSI/ALLIANCE |
| 140021 | Other | - | ANTHEM |
| 6300162 | Medicaid | VA | - |
| A937-0002 | Other | - | CAREFIRST |
| 7125122 | Other | - | AETNA PPO |
| 345382 | Other | - | NCPPO |
| 540947194 | Other | - | UNITED HEALTH |
| 2391760 | Other | - | 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.
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Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-07-09.