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

Dr. Katharine Kennedy Treadway, MD

Individual provider Internal Medicine Physician · NPI 1417944141

Dr. Katharine Kennedy Treadway, MD is an Internal Medicine Physician in Boston, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2005.

Licensed in
MA
In the registry since
2005
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

15 Parkman St Wac 615 Internal Medicine Associates Team 2
Boston, MA 02114-3117
Phone: (617) 726-2674
Fax: (617) 724-0656
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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 47706 (MA)

Record details

NPI number1417944141
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 27, 2005
Last updated in NPPESJuly 13, 2026

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