Individual provider Active NPI

William Chaalan, NRP

  • Paramedic
  • Fairfax, VA
National Provider Identifier
1750295242
Registry record updated Sep 30, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
ParamedicTaxonomy code 146L00000X
License
E202003922 Issued in VA
Practice address
4000 Legato Rd Ste 1100
Fairfax, VA 22033-2893
Phone
(703) 955-3082
NPI assigned
Sep 30, 2026
Last updated
Sep 30, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 30, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Paramedic 146L00000X E202003922 VA Primary

Addresses

Primary practice location

4000 Legato Rd Ste 1100
Fairfax, VA 22033-2893

Mailing address

4000 Legato Rd Ste 1100
Fairfax, VA 22033-2893

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

NPI Registry JSON

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

{
    "created_epoch": "1790726400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790726400000",
    "number": "1750295242",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4000 LEGATO RD STE 1100",
            "city": "FAIRFAX",
            "state": "VA",
            "postal_code": "220332893"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4000 LEGATO RD STE 1100",
            "city": "FAIRFAX",
            "state": "VA",
            "postal_code": "220332893",
            "telephone_number": "703-955-3082"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHAALAN",
        "first_name": "WILLIAM",
        "credential": "NRP",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-09-30",
        "last_updated": "2026-09-30",
        "certification_date": "2026-09-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "146L00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medical Technician, Paramedic",
            "state": "VA",
            "license": "E202003922",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fairfax, VA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 30, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.