Yong-Sik Kim, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

A112454 Issued in CA

Practice address

24221 Calle de la Louisa Ste 200
Laguna Hills, CA 92653-3642

Phone

(949) 334-8270

NPI assigned

Jul 5, 2007

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

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

Internal Medicine

Education

Other, 2003

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Healthcare Partners Affiliates Medical GroupGroup PAC ID 7315842002, 775 clinicians

Saddleback Medical Group IncGroup PAC ID 5092606905, 27 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Care Plus Home Health Home health agency, Laguna Hills, CA, CCN 059376
• Memorialcare Saddleback Medical Center Hospital, Laguna Hills, CA, CCN 050603

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

• Direct secure messaging: ykim195517@westdirect.optum.com
• Direct secure messaging: yongsik.kim.p15@direct.monarchhealthcare.nextgenshare.com

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

• Healthcare Partners Affiliates Medical Group

  • Internal Medicine Physician
  • Los Angeles, CA
  • NPI 1659312593
  Medicare reassignment Care Compare group NPD
• Saddleback Medical Group Inc

  • Gastroenterology Physician
  • Laguna Hills, CA
  • NPI 1386605822
  Medicare reassignment Care Compare group NPD
• Centers for Family Medicine GP

  • Family Medicine Physician
  • Los Alamitos, CA
  • NPI 1467598243

  Internal Medicine

  Medicare reassignment NPD
• Healthcare Partners Affiliates Medical Group

  • Durable Medical Equipment & Medical Supplies
  • Murrieta, CA
  • NPI 1760057269
  NPD
• Adventist Health Heart Institute-Ukiah

  • Multi-Specialty Clinic/Center
  • Ukiah, CA
  • NPI 1417295643
  NPD (past)
• Memorial Medical Group Inc

  • Durable Medical Equipment & Medical Supplies
  • Phoenix, AZ
  • NPI 1255523643
  NPD (past)

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

• Care Plus Nursing Services, Inc.

  • Home Health Agency
  • Laguna Hills, CA
  • NPI 1528385143
  Care Compare affiliation
• Saddleback Memorial Medical Center

  • General Acute Care Hospital
  • Laguna Hills, CA
  • NPI 1275576381
  Care Compare affiliation

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

{
    "created_epoch": "1183593600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763683200000",
    "number": "1033317565",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 35380",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891335380",
            "telephone_number": "702-579-3203"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "24221 CALLE DE LA LOUISA STE 200",
            "city": "LAGUNA HILLS",
            "state": "CA",
            "postal_code": "926533642",
            "telephone_number": "949-334-8270"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "16671 Yorba Linda Blvd Ste 100",
            "address_2": "Suite F",
            "address_purpose": "LOCATION",
            "city": "Yorba Linda",
            "state": "CA",
            "postal_code": "928862025",
            "country_code": "US",
            "telephone_number": "714-985-6400",
            "fax_number": "714-985-6425",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KIM",
        "first_name": "YONG-SIK",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-07-05",
        "last_updated": "2025-11-21",
        "certification_date": "2025-11-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A112454",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "BT23410662951",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "N6423",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Edward W. Kim, M.D.
• Enoch Kim, D.D.S.
• Jennifer Sooyoung Kim, PA-C
• Julie Kim, MD
• Moses M Kim, MD
• Kimball Dental Group of Laguna Hills, PC
• Stanley C Kimball III, DDS
• King Premium Care
• Renee D King, PHARMD
• Alexa Ray Kinley, HS

• Internal Medicine Physician in Laguna Hills, CA
• Providers in Laguna Hills, CA by specialty
• Internal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 21, 2025; 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.