Individual provider Active NPI

Marlena Giannamore-Ashmore, DMD

  • General Practice Dentistry
  • Naperville, IL
National Provider Identifier
1235012196
Registry record updated Feb 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
General Practice DentistryTaxonomy code 1223G0001X
License
019.036359 Issued in IL
Practice address
720 N Washington St Ste 106
Naperville, IL 60563-3462
Phone
(630) 420-9090
NPI assigned
Jul 29, 2025
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 17, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
General Practice Dentistry 1223G0001X 019.036359 IL Primary

Addresses

Primary practice location

720 N Washington St Ste 106
Naperville, IL 60563-3462

Mailing address

1935 Sedgewood Ave
Aurora, IL 60503-7350
Phone (203) 232-0539

Other practice location 1

101 N Lincoln St
Batavia, IL 60510-1913
Phone (630) 879-3613

Other names 1

  • Marlena Giannamore 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)
Not enrolled

State licenses

LicenseStateTypeSpecialty
019.036359ILMDGeneral Practice Dentistry

NPI Registry JSON

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

{
    "created_epoch": "1753747200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771286400000",
    "number": "1235012196",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1935 SEDGEWOOD AVE",
            "city": "AURORA",
            "state": "IL",
            "postal_code": "605037350",
            "telephone_number": "203-232-0539"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "720 N WASHINGTON ST STE 106",
            "city": "NAPERVILLE",
            "state": "IL",
            "postal_code": "605633462",
            "telephone_number": "630-420-9090"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "101 N Lincoln St",
            "address_purpose": "LOCATION",
            "city": "Batavia",
            "state": "IL",
            "postal_code": "605101913",
            "country_code": "US",
            "telephone_number": "630-879-3613",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GIANNAMORE-ASHMORE",
        "first_name": "MARLENA",
        "name_prefix": "Dr.",
        "credential": "DMD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-07-29",
        "last_updated": "2026-02-17",
        "certification_date": "2026-02-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "IL",
            "license": "019.036359",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MARLENA",
            "last_name": "GIANNAMORE",
            "credential": "DMD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Naperville, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 17, 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.