Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
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Rachel Margaret Breen

Individual provider Physician Assistant · NPI 1881332039

Rachel Margaret Breen is a Physician Assistant in Boston, Massachusetts. Qualified in 2022, 4 years ago. Practices with Dana-Farber Cancer Institute, Inc, a 668-clinician group and accepts Medicare assignment.

Years since qualifying
4
In the registry since
2022
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Practice location Address checks out

800 Washington St
Boston, MA 02111-1552
Phone: (617) 636-5566
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X

Record details

NPI number1881332039
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedMay 26, 2022
Last updated in NPPESAugust 24, 2022
Certification dateAugust 24, 2022

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Group practice Dana-Farber Cancer Institute, Inc. — 668 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Also affiliated with 1 hospital, which CMS identifies by certification number only.

Colleagues at Dana-Farber Cancer Institute, Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 668 clinicians in the practice; 12 are shown here.

Other providers in Boston