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

Individual provider Pediatric Hematology & Oncology Physician · NPI 1427216753

Dr. Jonathan Michael Marron, MD is a Pediatric Hematology & Oncology Physician in Boston, Massachusetts. Practices as a sole proprietor and works from 2 locations. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2008
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

450 Brookline Ave D1109
Boston, MA 02215-5418
Phone: (617) 632-3453
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Additional practice locations (1)

  • 300 Longwood Ave, Boston, MA 02115-5724 — (617) 355-6000

Specialties & licences

Pediatric Hematology & Oncology Physician (primary) Taxonomy 2080P0207X · Licence 250300 (MA)
Pediatrics Physician Taxonomy 208000000X · Licence 250300 (MA)

Record details

NPI number1427216753
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 22, 2008
Last updated in NPPESJuly 23, 2026
Certification dateJuly 23, 2026
Mailing address450 Brookline Ave, D1109, Boston, MA 02215-5418

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