Individual provider Active NPI

John N Rust, M.D.

  • Chemical Pathology Physician
  • Harrisonburg, VA
National Provider Identifier
1568451219
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Chemical Pathology PhysicianTaxonomy code 207ZP0104X
License
0101030225 Issued in VA
Practice address
235 Cantrell Ave
Harrisonburg, VA 22801-3248
Phone
(540) 433-4290
NPI assigned
Oct 17, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 6

Specialty (taxonomy)CodeLicenseStatePrimary
Blood Banking & Transfusion Medicine Physician 207ZB0001X 0101030225 VA
Cytopathology Physician 207ZC0500X 0101030225 VA
Hematology (Pathology) Physician 207ZH0000X 0101030225 VA
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X 0101030225 VA
Chemical Pathology Physician 207ZP0104X 0101030225 VA Primary
Pediatric Pathology Physician 207ZP0213X 0101030225 VA

Addresses

Primary practice location

235 Cantrell Ave
Harrisonburg, VA 22801-3248

Mailing address

115 S Main St
Bridgewater, VA 22812-1129
Phone (540) 828-6218

Other identifiers 1

IdentifierTypeStateIssuer
6650511MedicaidVA

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
0101030225VAMDHematology (Pathology) Physician

NPI Registry JSON

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

{
    "created_epoch": "1129507200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1568451219",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "115 S MAIN ST",
            "city": "BRIDGEWATER",
            "state": "VA",
            "postal_code": "228121129",
            "telephone_number": "540-828-6218"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "235 CANTRELL AVE",
            "city": "HARRISONBURG",
            "state": "VA",
            "postal_code": "228013248",
            "telephone_number": "540-433-4290"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RUST",
        "first_name": "JOHN",
        "middle_name": "N",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-10-17",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZB0001X",
            "taxonomy_group": "",
            "desc": "Pathology, Blood Banking & Transfusion Medicine",
            "state": "VA",
            "license": "0101030225",
            "primary": false
        },
        {
            "code": "207ZC0500X",
            "taxonomy_group": "",
            "desc": "Pathology, Cytopathology",
            "state": "VA",
            "license": "0101030225",
            "primary": false
        },
        {
            "code": "207ZH0000X",
            "taxonomy_group": "",
            "desc": "Pathology, Hematology",
            "state": "VA",
            "license": "0101030225",
            "primary": false
        },
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "VA",
            "license": "0101030225",
            "primary": false
        },
        {
            "code": "207ZP0104X",
            "taxonomy_group": "",
            "desc": "Pathology, Chemical Pathology",
            "state": "VA",
            "license": "0101030225",
            "primary": true
        },
        {
            "code": "207ZP0213X",
            "taxonomy_group": "",
            "desc": "Pathology, Pediatric Pathology",
            "state": "VA",
            "license": "0101030225",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "6650511",
            "state": "VA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Harrisonburg, VA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.