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

Madeleine O'Connell

Individual provider Oncology Registered Nurse · NPI 1699489963

Madeleine O'Connell is a Nurse Practitioner in Boston, Massachusetts. Qualified in 2025, 1 year ago. Works from 2 locations. Licensed in Massachusetts.

Years since qualifying
1
Licensed in
MA
In the registry since
2023
Specialties on file
2
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Practice location Address checks out

55 Fruit St
Boston, MA 02114-2696
Phone: (617) 724-5610
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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 02115-6110 — (617) 724-4000

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence RN2361971 (MA)
Oncology Registered Nurse Taxonomy 163WX0200X · Licence RN2361971 (MA)

Record details

NPI number1699489963
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJanuary 10, 2023
Last updated in NPPESSeptember 12, 2025
Certification dateSeptember 12, 2025
Mailing address55 Fruit St, Boston, MA 02114-2621

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2025 (1 years in practice)
Accepts Medicare assignment Not indicated

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