Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Lawrence M. Casha, M.D.
Diagnostic Radiology Physician in Lawrence, MA · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1043217862
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 01Y003917MA01 | Other | NH | ANTHEM BLUE SHIELD |
| 2847060 | Other | MA | AETNA/US HEALTHCARE |
| 300132726 | Other | MA | RAILROAD MEDICARE |
| 30203190 | Other | NH | NH MEDICAID |
| 51181 | Other | MA | FALLON |
| J22239 | Other | MA | BLUE SHIELD |
| 243642 | Other | MA | HARVARD PILGRIM |
| 9829977 | Other | MA | CIGNA |
| 203143 | Other | MA | TUFTS HEALTH PLAN |
| 0101885 | Medicaid | MA | - |
| 37847 | Other | MA | HEALTHY START |
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 2008-07-08.