Julianna Kessilyas, PA-C
NPI 1891409900 · Physician Assistant · Boston, MA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Julianna Kessilyas, PA-C is a Physician Assistant provider in Boston, MA (NPI 1891409900).
Provider details
- NPI number
- 1891409900
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- 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
3 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
- 2023-01-12
- Last updated
- 2025-10-09
- Certified
- 2025-10-09
Frequently asked questions
- What is Julianna Kessilyas's NPI number?
- Julianna Kessilyas's National Provider Identifier (NPI) is 1891409900, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Julianna Kessilyas's specialty?
- Julianna Kessilyas is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Julianna Kessilyas located?
- Julianna Kessilyas's practice location on file with NPPES is 55 Fruit St, Boston, MA 02114-2696.
- What is Julianna Kessilyas's phone number?
- The practice phone number listed in the NPPES registry for Julianna Kessilyas is (617) 726-2000.
- Does Julianna Kessilyas accept Medicare?
- Julianna Kessilyas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Julianna Kessilyas's NPI active?
- Yes — Julianna Kessilyas's NPI (1891409900) is active in the NPPES registry as of the last update on 2025-10-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.