Dr. William Thomas M.D.
About this NPIWhat this record shows.
NPI 1184646234 is registered to Dr. William Thomas M.D., a Internal Medicine practising at 93 Campus Ave Ste G025 in Lewiston, Maine. Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties. Dr. William Thomas M.D. 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.
Medicaid
Other
- 51002887AL· Issued by BCBS
- 5163648AL· Issued by AETNA
Source: NPPES public registry.
Medicare enrollment
This provider holds 5 Medicare enrollments 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
- I20120418000235Internal MedicineIA
- I20140212001859Pulmonary DiseaseAZ
- I20220409000171Pulmonary DiseaseWI
- I20221110001969Critical Care (Intensivists)TN
- I20230719001702Critical Care (Intensivists)MT
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 Dr. William Thomas M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. William Thomas M.D. directly at (207) 777-4320.
Frequently asked
Yes. NPI 1184646234 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 (207) 777-4320.
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. Dr. William Thomas M.D. is a Type-1 individual NPI.