Marcus Yoon

Primary specialty

Case Management Registered NurseTaxonomy code 163WC0400X

License

849250 Issued in CA

Practice address

5785 Corporate Ave
Cypress, CA 90630-4726

Phone

(714) 947-8624

NPI assigned

Oct 21, 2026

Last updated

Oct 21, 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

Medicare enrollment (NPD)

Not enrolled

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

{
    "created_epoch": "1792540800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1792540800000",
    "number": "1699672873",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3156 JULIAN AVE",
            "city": "LONG BEACH",
            "state": "CA",
            "postal_code": "908084435",
            "telephone_number": "714-947-8624"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5785 CORPORATE AVE",
            "city": "CYPRESS",
            "state": "CA",
            "postal_code": "906304726",
            "telephone_number": "714-947-8624"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "YOON",
        "first_name": "MARCUS",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2026-10-21",
        "last_updated": "2026-10-21",
        "certification_date": "2026-10-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163WC0400X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Case Management",
            "state": "CA",
            "license": "849250",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Shelby Yelin, RD
• Yen Phan DDS, Inc (YP Center for TMJ, Orofacial Pain, Headaches and Sleep Medicine)
• Hannah Yoo
• Roy Hyunchang Yoo, D.M.D.
• Eungsuk Yoon, L.AC.
• Jodell Marie Yoshizumi, CCC-SLP
• Ji Eun You
• Seokjin You
• Youdeem Chiropractic Corporation
• Gilbert Youdeem, DC

• Case Management Registered Nurse in Cypress, CA
• Providers in Cypress, CA by specialty
• Case Management Registered Nurse in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 21, 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.