Jillian Maher, RN

Primary specialty

Critical Care Medicine Registered NurseTaxonomy code 163WC0200X

License

1679532 Issued in CO

Practice address

9476 W Ontario Dr
Littleton, CO 80128-4053

Phone

(415) 497-3084

NPI assigned

Jan 8, 2026

Last updated

Jan 8, 2026By the provider in NPPES

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Registered Nurse

State licenses

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

{
    "created_epoch": "1767830400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767830400000",
    "number": "1841157054",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9476 W ONTARIO DR",
            "city": "LITTLETON",
            "state": "CO",
            "postal_code": "801284053"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9476 W ONTARIO DR",
            "city": "LITTLETON",
            "state": "CO",
            "postal_code": "801284053",
            "telephone_number": "415-497-3084"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAHER",
        "first_name": "JILLIAN",
        "credential": "RN",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-01-08",
        "last_updated": "2026-01-08",
        "certification_date": "2026-01-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163WC0200X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Critical Care Medicine",
            "state": "CO",
            "license": "1679532",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Robert D Madden, D.D.S., M.B.A.
• Ashley Nicole Maes, DPT
• Christine Maestri
• Yoonjoo Mager
• Leah Magestro, FNP-C
• Julie J. Maher, M.M.S., PA-C
• Robert Edward Maher IV
• Nhung H Mai, PHARMD
• Jesse Eitan Maizels, APN
• Lori Majestic

• Critical Care Medicine Registered Nurse in Littleton, CO
• Providers in Littleton, CO by specialty
• Critical Care Medicine Registered Nurse in Colorado

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 8, 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.