Hyun Don Yun, MD

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

A172166 Issued in CA

Practice address

4950 Barranca Pkwy Ste 210
Irvine, CA 92604-8648

Phone

(949) 414-9337

Fax

(949) 402-0100

NPI assigned

May 7, 2009

Last updated

Aug 21, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Medicare fee-for-service enrollment

Enrolled in IL, CA, WA3 enrollments

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 3

Specialty

HematologyAlso: Medical Oncology

Education

Other, 2005

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Trinity Medical CenterGroup PAC ID 2264337518, 97 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Trinity Rock Island Hospital, Rock Island, IL, CCN 140280

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy, Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

• Direct secure messaging: hyun1031759@direct.unitypoint.org
• Direct secure messaging: hyun154316@direct.rush.rush-health.com
• Direct secure messaging: hyun247634@direct.phs.org
• Direct secure messaging: hyun962040@direct.froedtert.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Trinity Medical Center

  • Emergency Medicine Physician
  • Rock Island, IL
  • NPI 1568414134

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Compassionate Cancer Care Medical Group, Inc.

  • Specialist
  • Fountain Valley, CA
  • NPI 1548248032
  Medicare reassignment NPD
• Jefferson County Public Hospital District No 2

  dba Jefferson Healthcare

  • Critical Access Hospital
  • Port Townsend, WA
  • NPI 1356492953
  Medicare reassignment NPD
• Rush University Medical Group

  dba Rush University Internists

  • Internal Medicine Physician
  • Chicago, IL
  • NPI 1093819542
  Medicare reassignment NPD
• Hyun Don Yun MD PC

  dba GaNaDa Medical

  • Internal Medicine Physician
  • Irvine, CA
  • NPI 1528993151
  NPD Authorized official
• Jefferson County Public Hospital District No 2

  dba Jefferson Healthcare Townsend Clinic

  • Rural Health Clinic/Center
  • Port Townsend, WA
  • NPI 1952353369
  NPD
• Morris Hospital

  dba Morris Hospital & Healthcare Centers

  • Health Service Clinic/Center
  • Morris, IL
  • NPI 1376658658
  NPD
• Morris Hospital

  • General Practice Physician
  • Morris, IL
  • NPI 1558466268
  NPD
• St Luke's Methodist Hospital

  • General Acute Care Hospital
  • Cedar Rapids, IA
  • NPI 1083708226
  NPD
• Lima Memorial Joint Operating Company

  dba Lima Memorial Health System

  • General Acute Care Hospital
  • Lima, OH
  • NPI 1336144732
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Trinity Medical Center

  dba Trinity Rock Island

  • General Acute Care Hospital
  • Rock Island, IL
  • NPI 1316047632
  Care Compare affiliation

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

{
    "created_epoch": "1241654400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787270400000",
    "number": "1508090473",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4950 BARRANCA PKWY STE 210",
            "city": "IRVINE",
            "state": "CA",
            "postal_code": "926048648",
            "telephone_number": "949-414-9337",
            "fax_number": "949-402-0100"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4950 BARRANCA PKWY STE 210",
            "city": "IRVINE",
            "state": "CA",
            "postal_code": "926048648",
            "telephone_number": "949-414-9337",
            "fax_number": "949-402-0100"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "YUN",
        "first_name": "HYUN DON",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2009-05-07",
        "last_updated": "2026-08-21",
        "certification_date": "2026-08-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "CA",
            "license": "A172166",
            "primary": false
        },
        {
            "code": "207RH0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology",
            "state": "CA",
            "license": "A172166",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A172166",
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "CA",
            "license": "A172166",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• George Yuen, M.D.
• Yukeli Pharmacy Group Inc (Irvine Community Pharmacy)
• Yoon Gyung Yum
• Ma Theresa Laxamana Yumul, AD
• Yun Song D.D.S Professional Dental Corporation
• Jonathan Gooryul Yun
• Steve C Yun, M.D.
• Ameena Yusuf
• John Andrew Yzaguirre, PH.D.
• Brooke Elizabeth Zabrocki

• Hematology & Oncology Physician in Irvine, CA
• Providers in Irvine, CA by specialty
• Hematology & Oncology Physician in California

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