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

Caitlin Losi, PA

Individual provider Physician Assistant · NPI 1548726870

Caitlin Losi, PA is a Physician Assistant in Boston, Massachusetts. Qualified in 2018, 8 years ago. Practices with Brigham and Womens Physicians Organization Inc, a 2,916-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
8
Licensed in
MA
In the registry since
2019
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

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Practice location Address checks out

1153 Centre St
Boston, MA 02130-3446
Phone: (617) 983-7080
Fax: (617) 983-7658
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence PA6820 (MA)

Record details

NPI number1548726870
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA
Sole proprietorNo
NPI enumeratedFebruary 12, 2019
Last updated in NPPESFebruary 12, 2019

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Brigham And Womens Physicians Organization Inc — 2916 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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