Individual provider Active NPI

Natalie Z Mills, M.D.

  • Cytopathology Physician
  • Arcadia, CA
National Provider Identifier
1023077930
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cytopathology PhysicianTaxonomy code 207ZC0500X
License
G64265 Issued in CA
Practice address
300 W Huntington Dr
Arcadia, CA 91007-3402
Phone
(626) 445-4441
NPI assigned
Mar 20, 2006
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
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X G64265 CA
Cytopathology Physician 207ZC0500X G64265 CA Primary

Addresses

Primary practice location

300 W Huntington Dr
Arcadia, CA 91007-3402

Mailing address

PO Box 10076
Van Nuys, CA 91410-0076
Phone (805) 578-8300

Other identifiers 1

IdentifierTypeStateIssuer
00G642650OtherCADHS PPIN

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
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
64265CAMDPharmacist
G64265CAMDAnatomic Pathology & Clinical Pathology Physician

NPI Registry JSON

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

{
    "created_epoch": "1142812800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1023077930",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 10076",
            "city": "VAN NUYS",
            "state": "CA",
            "postal_code": "914100076",
            "telephone_number": "805-578-8300",
            "fax_number": "805-578-8950"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 W HUNTINGTON DR",
            "city": "ARCADIA",
            "state": "CA",
            "postal_code": "910073402",
            "telephone_number": "626-445-4441"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MILLS",
        "first_name": "NATALIE",
        "middle_name": "Z",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-03-20",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "CA",
            "license": "G64265",
            "primary": false
        },
        {
            "code": "207ZC0500X",
            "taxonomy_group": "",
            "desc": "Pathology, Cytopathology",
            "state": "CA",
            "license": "G64265",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "DHS PPIN",
            "identifier": "00G642650",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Arcadia, CA

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.