Ellsworth J Stay, MD

Primary specialty

Anatomic Pathology & Clinical Pathology PhysicianTaxonomy code 207ZP0102X

License

0101-029766 Issued in VA

Practice address

1625 N George Mason Dr
Pathology Dept
Arlington, VA 22205-3683

Phone

(703) 558-6541

Fax

(502) 456-4440

NPI assigned

Jul 8, 2006

Last updated

Oct 11, 2026By the provider in NPPES

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

Other identifiers 15

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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

• Joseph J Buchino MD & Associates PSC

  • Anatomic Pathology & Clinical Pathology Physician
  • Arlington, VA
  • NPI 1932132453
  NPD

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

{
    "created_epoch": "1152316800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1791676800000",
    "number": "1083647531",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 7308",
            "city": "ARLINGTON",
            "state": "VA",
            "postal_code": "222070308",
            "telephone_number": "800-292-1387",
            "fax_number": "502-456-4440"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1625 N GEORGE MASON DR",
            "address_2": "PATHOLOGY DEPT",
            "city": "ARLINGTON",
            "state": "VA",
            "postal_code": "222053683",
            "telephone_number": "703-558-6541",
            "fax_number": "502-456-4440"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "STAY",
        "first_name": "ELLSWORTH",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-08",
        "last_updated": "2026-10-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "VA",
            "license": "0101-029766",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CAREFIRST BLUE CROSS DC",
            "identifier": "1022-0004",
            "state": "DC"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "NATIONAL CAPITAL PPO",
            "identifier": "506849",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "WORKERS COMP DC",
            "identifier": "96-2465316",
            "state": "DC"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "006601782",
            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "GEORGE WASHINGTON UNIV",
            "identifier": "16699",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UNITED HEALTHCARE",
            "identifier": "11-00210",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "SECTION 1011 MEDICARE",
            "identifier": "490050CC62678",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "220017496",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "879500200",
            "state": "MD"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "033007700",
            "state": "DC"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM BLUE CROSS BS",
            "identifier": "240523",
            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "OPTIMUM CHOICE",
            "identifier": "339836",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MAMSI",
            "identifier": "339836",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MDIPA",
            "identifier": "339836",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UNITED MINE WORKERS",
            "identifier": "1305167",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

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• Anatomic Pathology & Clinical Pathology Physician in Arlington, VA
• Providers in Arlington, VA by specialty
• Anatomic Pathology & Clinical Pathology Physician in Virginia

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