Justin Demetrius, PA

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

034321 Issued in NY

Practice address

86 Saint Felix St
Brooklyn, NY 11217-3032

Phone

(718) 250-6880

NPI assigned

May 23, 2025

Last updated

Sep 2, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in NY

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Physician Assistant

Education

Other, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

North Shore Hematology Oncology Associates PCGroup PAC ID 1456243641, 474 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• North Shore Hematology Oncology Associates PC

  • Specialist
  • Port Jefferson Station, NY
  • NPI 1396794574
  Medicare reassignment Care Compare group

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1747958400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756771200000",
    "number": "1144013004",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "86 SAINT FELIX ST",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112173032"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "86 SAINT FELIX ST",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112173032",
            "telephone_number": "718-250-6880"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DEMETRIUS",
        "first_name": "JUSTIN",
        "name_prefix": "Mr.",
        "credential": "PA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-05-23",
        "last_updated": "2025-09-02",
        "certification_date": "2025-09-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "NY",
            "license": "034321",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• John D Demetriades
• Penelope Demetriades
• Penelope Demetriades, RPH
• Christina Demetrio
• Brandi Demetriou, CRNA
• Daria Demidenko
• Diana Demidkin
• Donna Marie Deming, LMSW
• Khachatur Demirchyan, M.D./D.O.
• Vera Demirjian

• Physician Assistant in Brooklyn, NY
• Providers in Brooklyn, NY by specialty
• Physician Assistant in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 2, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.