Abdullah Demirkaya

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

25MA13105300 Issued in NJ

Practice address

750 Brunswick Ave
Trenton, NJ 08638-4143

Phone

(609) 394-6000

NPI assigned

May 2, 2023

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

Not listed in the public Medicare enrollment file

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Specialty

Internal Medicine

Education

Other, 2021

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Interoperability endpoints

• Direct secure messaging: abdullah.demirkaya.1@12833.direct.athenahealth.com

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

{
    "created_epoch": "1682985600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782345600000",
    "number": "1194414565",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "750 BRUNSWICK AVE",
            "city": "TRENTON",
            "state": "NJ",
            "postal_code": "086384143",
            "telephone_number": "609-394-6031"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "750 BRUNSWICK AVE",
            "city": "TRENTON",
            "state": "NJ",
            "postal_code": "086384143",
            "telephone_number": "609-394-6000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1 Capital Way",
            "address_purpose": "LOCATION",
            "city": "Pennington",
            "state": "NJ",
            "postal_code": "085342520",
            "country_code": "US",
            "telephone_number": "609-303-4000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DEMIRKAYA",
        "first_name": "ABDULLAH",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-05-02",
        "last_updated": "2026-06-25",
        "certification_date": "2026-06-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NJ",
            "license": "25MA13105300",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Rolando L. Degoma, MD
• James Delahanty, D.M.D.
• Danelly Carina Deleon
• Dellacroce Lee & Hardesty
• Miquia Delvalle
• Marcus Demott, MSW, LSW
• Department of Children and Families
• Department of Health and Senior Services
• Rikhil P Derashri
• Amita S. Desai, M.D.

• Internal Medicine Physician in Trenton, NJ
• Providers in Trenton, NJ by specialty
• Internal Medicine Physician in New Jersey

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 25, 2026; 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.