Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Glenda J Cook, M.D.
Family Medicine Physician in Elizabethtown, PA · enumerated 2006 · practices at Lancaster General Medical Group.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1275503286
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 110237772 | Other | PA | RAILROAD MEDICARE |
| 50000533 | Other | PA | CAPITAL BLUE CROSS |
| F87562 | Other | PA | HEALTH ASSURANCE |
| P004427 | Other | PA | GATEWAY HEALTH PLAN |
| 0014654500008 | Medicaid | PA | - |
| 36826 S101 | Other | PA | GEISINGER HEALTH PLAN |
| 4505677 | Other | PA | AETNA NON-HMO |
| 143903 | Other | PA | HIGHMARK BLUE SHIELD |
| 513684 | Other | PA | AETNA HMIO |
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 2017-01-11.