Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mr. John Harlan Stewart, MD

Individual provider Anatomic Pathology & Clinical Pathology Physician · NPI 1316906449

Mr. John Harlan Stewart, MD is an Anatomic Pathology & Clinical Pathology Physician in Port Arthur, Texas. Licensed in Texas. Registered with an NPI since 2006.

Licensed in
TX
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3600 Gates Blvd
Port Arthur, TX 77642
Phone: (409) 983-6360
Fax: (409) 983-7637
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anatomic Pathology & Clinical Pathology Physician (primary) Taxonomy 207ZP0102X · Licence F4566 (TX)

Record details

NPI number1316906449
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 18, 2006
Last updated in NPPESJuly 13, 2026

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