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

James A Stewart, MD

Individual provider Medical Oncology Physician · NPI 1518928431

James A Stewart, MD is a Medical Oncology Physician in Springfield, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2006.

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

See every abbreviation used in this directory →

Practice location Address checks out

3350 Main St
Springfield, MA 01107-1112
Phone: (413) 794-9338
Fax: (413) 794-9754
Show map & directions

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

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence 236168 (MA)

Record details

NPI number1518928431
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 30, 2006
Last updated in NPPESNovember 14, 2016

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