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

Gregory Mason, MD

Individual provider Pediatrics Physician · NPI 1437292976

Gregory Mason, MD is a Pediatrics Physician in Duluth, Minnesota. Licensed in Minnesota. Registered with an NPI since 2007.

Licensed in
MN
In the registry since
2007
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

400 E 3rd St
Duluth, MN 55805
Phone: (218) 786-8364
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 49567 (MN)
Pediatrics Physician Taxonomy 208000000X · Licence 49567 (MN)

Record details

NPI number1437292976
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 15, 2007
Last updated in NPPESApril 23, 2024
Certification dateApril 23, 2024
Mailing address400 East 3rd Street, Duluth, MN 55805

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