Justin Demetrius, PA
NPI 1144013004 · Physician Assistant · Brooklyn, NY
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Justin Demetrius, PA is a Physician Assistant provider in Brooklyn, NY (NPI 1144013004).
Provider details
- NPI number
- 1144013004
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
- License
- 034321 (NY)
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
1 yr in NPPES registry
- Profile completeness38% of score
100% 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
- 2025-05-23
- Last updated
- 2025-09-02
- Certified
- 2025-09-02
Frequently asked questions
- What is Justin Demetrius's NPI number?
- Justin Demetrius's National Provider Identifier (NPI) is 1144013004, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justin Demetrius's specialty?
- Justin Demetrius is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Justin Demetrius located?
- Justin Demetrius's practice location on file with NPPES is 86 Saint Felix St, Brooklyn, NY 11217-3032.
- What is Justin Demetrius's phone number?
- The practice phone number listed in the NPPES registry for Justin Demetrius is (718) 250-6880.
- Does Justin Demetrius accept Medicare?
- Justin Demetrius is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Justin Demetrius's NPI active?
- Yes — Justin Demetrius's NPI (1144013004) is active in the NPPES registry as of the last update on 2025-09-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.