Rachel Breen
NPI 1881332039 · Physician Assistant · Boston, MA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rachel Breen is a Physician Assistant provider in Boston, MA (NPI 1881332039).
Provider details
- NPI number
- 1881332039
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-05-26
- Last updated
- 2022-08-24
- Certified
- 2022-08-24
Frequently asked questions
- What is Rachel Breen's NPI number?
- Rachel Breen's National Provider Identifier (NPI) is 1881332039, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rachel Breen's specialty?
- Rachel Breen is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Rachel Breen located?
- Rachel Breen's practice location on file with NPPES is 800 Washington St, Boston, MA 02111-1552.
- What is Rachel Breen's phone number?
- The practice phone number listed in the NPPES registry for Rachel Breen is (617) 636-5566.
- Does Rachel Breen accept Medicare?
- Rachel Breen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rachel Breen's NPI active?
- Yes — Rachel Breen's NPI (1881332039) is active in the NPPES registry as of the last update on 2022-08-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.