DR. LEWIS ALVIN DUNCAN M.D.
NPI 1821031253
Internal Medicine - Medical Oncology in Longview, TX

Q: What is the provider's specialty?

The provider's specialty is Internal Medicine with taxonomy code 207RX0202X and a focus in Medical Oncology.

Active since June 14, 2006

1300 N 4TH ST, LONGVIEW, TX 75601(903) 757-2122(903) 757-9475 Get Directions Write a Review

NPPES record last updated: February 18, 2008. Verified against the NPPES registry weekly; last sync: July 19, 2026.

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About Dr. Lewis Alvin Duncan M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. LEWIS ALVIN DUNCAN M.D. (NPI 1821031253) is an individual medical oncology provider in Longview, Texas, licensed in Texas (E1562) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1821031253

Entity TypeIndividualMale

Primary Taxonomy207RX0202X

Provider Legal NameDR. LEWIS ALVIN DUNCANCredential: M.D.

Location Address1300 N 4TH STLongview, TX 75601-4717

Mailing AddressPo Box 911230Dallas, TX 75391-1230 · (972) 997-8000 · Fax (972) 437-9605

Phone(903) 757-2122

Fax(903) 757-9475

Sole ProprietorNo

Enumeration DateJune 14, 2006

Last NPPES UpdateFebruary 18, 2008

✔ NPI 1821031253 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RX0202X

License✔ Licensed in TX · E1562

Definition

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.

1300 N 4TH ST, Longview, TX 75601

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Other Identifiers 5

Medicare PIN87X841TX

Medicaid45716001TX

Medicare UPINB87584TX

Medicare PIN8G7332TX

Other8R1429TX · Blue Cross Of Texas

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. LARRY LYNN FRASE M.D.

Internal Medicine (Medical Oncology)