Individual provider Active NPI

William A Incatasciato, MD

  • Pediatrics Physician
  • Herndon, VA
National Provider Identifier
1992785331
Registry record updated Jul 31, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatrics PhysicianTaxonomy code 208000000X
License
010105012 Issued in VA
Practice address
505 Huntmar Park Dr Ste 100
Herndon, VA 20170-5141
Phone
(703) 359-5100
Fax
(844) 271-8010
NPI assigned
Jan 20, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 31, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics Physician 208000000X 010105012 VA Primary

Addresses

Primary practice location

505 Huntmar Park Dr Ste 100
Herndon, VA 20170-5141

Mailing address

505 Huntmar Park Dr Ste 100
Herndon, VA 20170-5141
Phone (703) 359-5100

Other identifiers 1

IdentifierTypeStateIssuer
006730337MedicaidVA

Medicare participation

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

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
010105012VAMDPediatrics Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Capital Area Pediatrics, Inc Pediatrics Past Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients

Interoperability endpoints

  • Direct secure messaging: william.incatasciato.1@16203.direct.athenahealth.com

Organizations & group practices 2

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

NPI Registry JSON

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

{
    "created_epoch": "1137715200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785456000000",
    "number": "1992785331",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "505 HUNTMAR PARK DR STE 100",
            "city": "HERNDON",
            "state": "VA",
            "postal_code": "201705141",
            "telephone_number": "703-359-5100",
            "fax_number": "844-271-8010"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "505 HUNTMAR PARK DR STE 100",
            "city": "HERNDON",
            "state": "VA",
            "postal_code": "201705141",
            "telephone_number": "703-359-5100",
            "fax_number": "844-271-8010"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "INCATASCIATO",
        "first_name": "WILLIAM",
        "middle_name": "A",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-01-20",
        "last_updated": "2026-07-31",
        "certification_date": "2026-07-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "VA",
            "license": "010105012",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "006730337",
            "state": "VA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Herndon, VA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 31, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.