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

Dr. James Leonard Gajewski, MD

Individual provider Hematology & Oncology Physician · NPI 1356349112

Dr. James Leonard Gajewski, MD is a Hematology & Oncology Physician in Joint Base Lewis McChord, Washington. Licensed in California, Colorado, Oregon and Texas and 1 more. Registered with an NPI since 2005.

Licensed in
CA, CO, OR, TX, WA
In the registry since
2005
Specialties on file
9
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

9040 Jackson Ave
Joint Base Lewis McChord, WA 98431-0001
Phone: (253) 968-1110
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD61306843 (WA)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence G57111 (CA)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence MD.61306843 (WA)
Internal Medicine Physician Taxonomy 207R00000X · Licence G57111 (CA)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence DR.0071741 (CO)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence J3475 (TX)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence MD27403 (OR)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence MD61306843 (WA)
Internal Medicine Physician Taxonomy 207R00000X · Licence DR.00717741 (CO)

Record details

NPI number1356349112
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 14, 2005
Last updated in NPPESSeptember 5, 2025
Certification dateSeptember 5, 2025
Mailing address9040 Jackson Ave, Madigan Army Hospital, Joint Base Lewis McChord, WA 98431-0001

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