Individual provider Active NPI

Rebecca Lynn Yourinson, PAC

  • Physician Assistant
  • Newark, DE
National Provider Identifier
1104825579
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
C50000290 Issued in DE
Practice address
4755 Ogletown-Stanton Rd
Newark, DE 19718-0001
Phone
(302) 733-1000
Fax
(302) 733-1633
NPI assigned
Jul 19, 2005
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X C50000290 DE
Physician Assistant 363A00000X C50000290 DE Primary

Addresses

Primary practice location

4755 Ogletown-Stanton Rd
Newark, DE 19718-0001

Mailing address

PO Box 3048
Wilmington, DE 19804-0048
Phone (302) 224-5678

Other identifiers 1

IdentifierTypeStateIssuer
144301MedicaidDE

Other names 1

  • Rebecca Lynn Castagna Former name

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)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
C50000290DEMDInternal Medicine Physician

NPI Registry JSON

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

{
    "created_epoch": "1121731200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1104825579",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 3048",
            "city": "WILMINGTON",
            "state": "DE",
            "postal_code": "198040048",
            "telephone_number": "302-224-5678",
            "fax_number": "302-224-2848"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4755 OGLETOWN-STANTON RD",
            "city": "NEWARK",
            "state": "DE",
            "postal_code": "197180001",
            "telephone_number": "302-733-1000",
            "fax_number": "302-733-1633"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "YOURINSON",
        "first_name": "REBECCA",
        "middle_name": "LYNN",
        "credential": "PAC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-07-19",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "DE",
            "license": "C50000290",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "DE",
            "license": "C50000290",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "144301",
            "state": "DE"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "REBECCA",
            "last_name": "CASTAGNA",
            "middle_name": "LYNN",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Newark, DE

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; 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.