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

Kathleen M McFadden, MD

Individual provider Internal Medicine Physician · NPI 1265960033

Kathleen M McFadden, MD is an Internal Medicine in Boston, Massachusetts. Graduated from University of South Florida College of Medicine in 2017, 9 years ago. Practices with Mass General Brigham Medical Group Suburban Massachusetts Inc, a 532-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
9
Trained at
University of South Florida College of Medicine
Licensed in
MA
In the registry since
2017
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 Partly verified

Some contact details are missing from the federal record.

Massachusetts General Hospital 55 Fruit St
Boston, MA 02114
Phone: (617) 643-0596
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 75 Francis St, Boston, MA 02115-6106 — (617) 732-5500

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 271061 (MA)
Nephrology Physician Taxonomy 207RN0300X · Licence 284126 (MA)

Record details

NPI number1265960033
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 24, 2017
Last updated in NPPESMay 18, 2026
Certification dateMay 18, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF SOUTH FLORIDA COLLEGE OF MEDICINE
Graduated 2017 (9 years in practice)
Group practice Mass General Brigham Medical Group Suburban Massachusetts Inc — 532 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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