Caitlin Losi, PA
NPI 1548726870 · Physician Assistant · Boston, MA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Caitlin Losi, PA is a Physician Assistant provider in Boston, MA (NPI 1548726870).
Provider details
- NPI number
- 1548726870
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- PA6820 (MA)
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 tenure33% of score
7 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$32 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-02-12
- Last updated
- 2019-02-12
Frequently asked questions
- What is Caitlin Losi's NPI number?
- Caitlin Losi's National Provider Identifier (NPI) is 1548726870, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Caitlin Losi's specialty?
- Caitlin Losi is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Caitlin Losi located?
- Caitlin Losi's practice location on file with NPPES is 1153 Centre St, Boston, MA 02130-3446.
- What is Caitlin Losi's phone number?
- The practice phone number listed in the NPPES registry for Caitlin Losi is (617) 983-7080.
- Does Caitlin Losi accept Medicare?
- Caitlin Losi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Caitlin Losi's NPI active?
- Yes — Caitlin Losi's NPI (1548726870) is active in the NPPES registry as of the last update on 2019-02-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.