Individual provider · Type 1 NPI

John Harlan Stewart, MD

Anatomic Pathology & Clinical Pathology Physician · Port Arthur, TX

NPI number 1316906449 Active

Practice location

3600 Gates Blvd
Port Arthur, TX 77642

Call (409) 983-6360 Map

Fax (409) 983-7637

Mailing address

PO Box 1603
Nederland, TX 77627

Specialties and licenses

TaxonomyCodeLicense
Anatomic Pathology & Clinical Pathology Physician Primary 207ZP0102XF4566 (TX)

Anatomic Pathology & Clinical Pathology Physician: A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, ex…

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About NPI 1316906449

John Harlan Stewart, MD's National Provider Identifier is 1316906449, issued on Mar 18, 2006. The primary taxonomy on file is Anatomic Pathology & Clinical Pathology Physician (207ZP0102X), and the practice location is in Port Arthur, TX. The record was last updated on Jul 13, 2026.