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About this NPIWhat this record shows.
NPI 1609857903 is registered to Laszlo Leb MD, a Hematology (Internal Medicine) Physician practising at 20 Worcester Center Blvd in Worcester, Massachusetts. Hematology (Internal Medicine) Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Laszlo Leb MD has been enumerated in the National Provider Identifier (NPI) registry since 2005.
Provider type
Individual (Type 1)
Status
Active
Enumerated
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Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Other
784228· Issued by MVP HEALTH CARE
9900270· Issued by FALLON COMMUNITY HEALTH
N01713· Issued by BLUE CARE ELECT
040628· Issued by TUFTS HEALTH PLAN
N01713· Issued by MEDICARE B
04-2472266· Issued by PRIVATE HEALTHCARE SYSTEM
042472266· Issued by HEALTHCARE VALUE
1266084· Issued by CIGNA HEALTH PLAN
04-2472266· Issued by THREE RIVERS
27530· Issued by HEALTHY SMART
AA3714· Issued by HARVARD PILGRIM
042472266· Issued by TRICARE CHAMPUS
4385559· Issued by AETNA US HEALTHCARE
042472266· Issued by ONE HEALTH PLAN
1060864· Issued by FIRST HEALTH
830005042· Issued by RAILROAD MEDICARE
N01713· Issued by BLUE SHIELD INDEMNITY
27530· Issued by CHILDRENS MEDICALSECURITY
Source: NPPES public registry.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Laszlo Leb MD accepts. To confirm in-network status with your specific health plan, contact Laszlo Leb MD directly at (508) 368-3168.
Frequently asked
Yes. NPI 1609857903 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Hematology (Internal Medicine) Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (508) 368-3168.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Laszlo Leb MD is a Type-1 individual NPI.
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