Hyo Jin Ryu, DO

Primary specialty

Radiation Oncology PhysicianTaxonomy code 2085R0001X

License

5151017709 Issued in MI

Practice address

1500 E Medical Center Dr FL B2
Ann Arbor, MI 48109-5000

Phone

(734) 936-8700

NPI assigned

Apr 20, 2023

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

Doctor of Osteopathy

State licenses

Interoperability endpoints

• Direct secure messaging: hryu3376112@direct.trinity-health.org

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

{
    "created_epoch": "1681948800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1751500800000",
    "number": "1306533278",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1500 E MEDICAL CENTER DR FL B2",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481095000",
            "telephone_number": "734-936-8700"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1500 E MEDICAL CENTER DR FL B2",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481095000",
            "telephone_number": "734-936-8700"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RYU",
        "first_name": "HYO JIN",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2023-04-20",
        "last_updated": "2025-07-03",
        "certification_date": "2025-07-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "MI",
            "license": "5151017709",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Charity Yoonhee Ryder
• Jessica Ryder, MS
• Lindsay Margot Ryerson, MD
• Cassandra Lynn Rykulski, MD
• Susan Herman Ryskamp, R.D.
• Madeleine Rzepka
• S and G Rehab, Inc
• S Bhakta DDS PLC
• Ahmed Saab
• Danielle Saab, MD

• Radiation Oncology Physician in Ann Arbor, MI
• Providers in Ann Arbor, MI by specialty
• Radiation Oncology Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 3, 2025; 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.