Aristotle Gerrit Leonhard, MD

Primary specialty

Pulmonary Disease PhysicianTaxonomy code 207RP1001X

License

MD.MD.61291621 Issued in WA

Practice address

325 9TH Ave
Seattle, WA 98104-2420

Phone

(206) 520-5000

NPI assigned

Jun 12, 2018

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

Medicare fee-for-service enrollment

Enrolled in WA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Pulmonary Disease

Education

Medical College of Wisconsin, 2018

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

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

{
    "created_epoch": "1528761600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785888000000",
    "number": "1871086074",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 50095",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981455095",
            "telephone_number": "206-520-5700"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "325 9TH AVE",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981042420",
            "telephone_number": "206-520-5000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LEONHARD",
        "first_name": "ARISTOTLE",
        "middle_name": "GERRIT",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-06-12",
        "last_updated": "2026-08-05",
        "certification_date": "2026-08-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "WA",
            "license": "MD.MD.61291621",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Paola Leone, DDS, MSD
• Judy Leong
• Shelley Yi Ching Leong, MD
• Toihang Leong
• Rinamarie Leonguerrero, PHD, BCBA-D
• Mya Le Leonhard
• Janie M Leonhardt, MD
• Lena Ursula Leopold
• Erandy Leos Ramirez
• Naomi Trisha Leovao-Carpel, DPT

• Pulmonary Disease Physician in Seattle, WA
• Providers in Seattle, WA by specialty
• Pulmonary Disease Physician in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 5, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.