Selim Demirdelen, MD

Primary specialty

Rheumatology PhysicianTaxonomy code 207RR0500X

License

339352 Issued in NY

Practice address

8831 55TH Ave Ste 201
Elmhurst, NY 11373-5293

Phone

(718) 899-6600

Fax

(718) 606-3881

NPI assigned

Jun 15, 2021

Sex

Male

Sole proprietor

Yes

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 MedicineAlso: Rheumatology

Education

Other, 2018

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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

{
    "created_epoch": "1623715200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788393600000",
    "number": "1518535772",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "55 WATER ST FL 2",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100410010",
            "telephone_number": "646-680-2888",
            "fax_number": "516-542-5556"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8831 55TH AVE STE 201",
            "city": "ELMHURST",
            "state": "NY",
            "postal_code": "113735293",
            "telephone_number": "718-899-6600",
            "fax_number": "718-606-3881"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "450 Clarkson Ave",
            "address_purpose": "LOCATION",
            "city": "Brooklyn",
            "state": "NY",
            "postal_code": "112032012",
            "country_code": "US",
            "telephone_number": "718-270-1662",
            "fax_number": "731-201-5340",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "9610 Metropolitan Ave",
            "address_purpose": "LOCATION",
            "city": "Forest Hills",
            "state": "NY",
            "postal_code": "113756625",
            "country_code": "US",
            "telephone_number": "718-459-0400",
            "fax_number": "718-670-6479",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DEMIRDELEN",
        "first_name": "SELIM",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-06-15",
        "last_updated": "2026-09-03",
        "certification_date": "2026-09-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RR0500X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Rheumatology",
            "state": "NY",
            "license": "339352",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Rheumatology Physician in Elmhurst, NY
• Providers in Elmhurst, NY by specialty
• Rheumatology Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 3, 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.