DR. LEWIS ALVIN DUNCAN M.D. NPI 1821031253

NPI Information

  • NPI: 1821031253
  • Provider Name: DR. LEWIS ALVIN DUNCAN, M.D.
  • Classification: Internal Medicine - 207RX0202X
  • Specialization: Medical Oncology
  • Entity Type: Individual
  • Address: 1300 N 4TH ST
    LONGVIEW, TX
    ZIP 75601
  • Phone: (903) 757-2122

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NPI Details

DR. Lewis Alvin Duncan, M.D. is a medical oncology internal medicine in Longview, TX. The provider is an internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer. DR. Lewis Alvin Duncan, M.D. NPI is 1821031253. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

The provider's business location address is:

1300 N 4TH ST
LONGVIEW, TX
ZIP 75601-717
Phone: (903) 757-2122
Fax: (903) 757-9475

The enumeration date for this NPI number is 6/14/2006 and was last updated on 2/18/2008.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
1207RX0202XInternal MedicineMedical OncologyE1562TEXASYes

Other Identifiers

The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.

No. Other Provider Identifier Other Provider Identifier Type Other Provider Identifier State Other Provider Identifier Issuer
187X841MEDICARE PINTEXAS
245716001MEDICAIDTEXAS
3B87584MEDICARE UPINTEXAS
48G7332MEDICARE PINTEXAS
58R1429OTHERTEXASBLUE CROSS OF TEXAS

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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