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

John A McCallister, MD

Individual provider Hematology & Oncology Physician · NPI 1154390268

John A McCallister, MD is a Hematology & Oncology Physician in Augusta, Maine. Licensed in Illinois and Maine. Registered with an NPI since 2006.

Licensed in
IL, ME
In the registry since
2006
Specialties on file
2
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

6 E Chestnut St
Augusta, ME 04330-5758
Phone: (207) 623-2977
Fax: (207) 626-9374
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Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 018027 (ME)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence 036073147 (IL)

Record details

NPI number1154390268
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 14, 2006
Last updated in NPPESDecember 19, 2018
Mailing address6 E Chestnut St, Augusta, ME 04330-5758

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