Lester Mietkiewicz MD
About this NPIWhat this record shows.
NPI 1285609479 is registered to Lester Mietkiewicz MD, a Internal Medicine practising at 367 Plantation St in Worcester, Massachusetts. Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties. Lester Mietkiewicz MD has been enumerated in the National Provider Identifier (NPI) registry since 2006.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Other
- 042472266· Issued by ONE HEALTH PLAN
- 4034906· Issued by AETNA US HEALTHCARE
- 8239846· Issued by CIGNA HEALTH PLAN
- J02901· Issued by BLUE SHIELD INDEMNITY
- 0400875· Issued by EVERCARE
- 28035· Issued by HEALTHY START
- 9900029· Issued by FALLON COMMUNITY HEALTH
- AA1293· Issued by HARVARD PILGRIM HEALTHCAR
- J02901· Issued by BLUE CARE ELECT
- 28035· Issued by CHILDRENS MEDICAL
- 043058466· Issued by HEALTHCARE VALUE MANAGEME
- J02901· Issued by BLUE SHIELD HMO BLUE
- 784252· Issued by MVP HEALTH CARE
- 934972· Issued by FIRST HEALTH
- 042472266· Issued by THREE RIVERS
- 042472266· Issued by PRIVATE HEALTHCARE
Medicaid
- 6180493MA
Source: NPPES public registry.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20050324000952Internal MedicineMA
Source: CMS PECOS public enrollment file.
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 Lester Mietkiewicz MD accepts. To confirm in-network status with your specific health plan, contact Lester Mietkiewicz MD directly at (508) 334-1448.
Frequently asked
Yes. NPI 1285609479 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties.
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) 334-1448.
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. Lester Mietkiewicz MD is a Type-1 individual NPI.