John Michael Crotty, RN

Primary specialty

Ambulatory Care Registered NurseTaxonomy code 163WP2201X

License

RN61549207 Issued in WA

Practice address

550 17TH Ave Ste 400
Seattle, WA 98122-5789

Phone

(206) 320-7200

Fax

(206) 397-1096

NPI assigned

Oct 14, 2026

Last updated

Oct 14, 2026By the provider in NPPES

Sex

Male

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

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

{
    "created_epoch": "1791936000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1791936000000",
    "number": "1629974944",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "718 10TH AVE E APT 4",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981024673",
            "telephone_number": "206-320-7200",
            "fax_number": "206-397-1096"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "550 17TH AVE STE 400",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981225789",
            "telephone_number": "206-320-7200",
            "fax_number": "206-397-1096"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CROTTY",
        "first_name": "JOHN",
        "middle_name": "MICHAEL",
        "name_prefix": "Mr.",
        "credential": "RN",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2026-10-14",
        "last_updated": "2026-10-14",
        "certification_date": "2026-10-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163WP2201X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Ambulatory Care",
            "state": "WA",
            "license": "RN61549207",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Crossover Health Medical Group
• Quinn Crosta, DNP, ARNP
• Nichole L Croteau Baker, L.M.P.
• Kristina Anne Crothers, MD
• Erin E Crotty, MD
• Alba Ruth Crouch, LMP,CNA
• Edward D. Crouch, M.S.W.
• Jaclyn Crouch, R.N.
• Jody Elizabeth Crouch, ARNP
• Natasha Marie-Mace Crouch, RN

• Ambulatory Care Registered Nurse in Seattle, WA
• Providers in Seattle, WA by specialty
• Ambulatory Care Registered Nurse in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 14, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.