Changsoo Medical Group

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

Legal business name

CHANGSOO MEDICAL GROUP

Practice address

5832 Beach Blvd Unit 214
Buena Park, CA 90621-5501

Phone

(714) 523-7575

Fax

(714) 523-7585

NPI assigned

Dec 6, 2022

Last updated

May 5, 2025By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Grace Yoon, N/A

Title

Office Manger

Phone

(562) 335-0008

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Enrollment records 1

Practitioners 2

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Paul Soojin Chang, M.D.

  • Internal Medicine Physician
  • Buena Park, CA
  • NPI 1487627261
  Medicare reassignment NPD
• Daniel Kwon, DO

  • Geriatric Medicine (Family Medicine) Physician
  • Paramount, CA
  • NPI 1639736846
  Medicare reassignment NPD

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

{
    "created_epoch": "1670284800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1746403200000",
    "number": "1790496107",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5832 BEACH BLVD UNIT 214",
            "city": "BUENA PARK",
            "state": "CA",
            "postal_code": "906215501",
            "telephone_number": "714-523-7575"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5832 BEACH BLVD UNIT 214",
            "city": "BUENA PARK",
            "state": "CA",
            "postal_code": "906215501",
            "telephone_number": "714-523-7575",
            "fax_number": "714-523-7585"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "CHANGSOO MEDICAL GROUP",
        "organizational_subpart": "NO",
        "enumeration_date": "2022-12-06",
        "last_updated": "2025-05-05",
        "certification_date": "2025-05-05",
        "status": "A",
        "authorized_official_last_name": "YOON",
        "authorized_official_first_name": "GRACE",
        "authorized_official_title_or_position": "OFFICE MANGER",
        "authorized_official_telephone_number": "562-335-0008",
        "authorized_official_credential": "N/A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Hannah Chang, OTR/L
• Hubert Kim Chang, DC
• Michael Jung-Chan Chang, DMD
• Paul Soojin Chang, M.D.
• Sunhee Chang, ACUPUNCTURIST
• Charm Acupuncture Professional Corporation
• Piranid Bush Charoensak, PHARMD
• April Estelle Chavez-Willis, M.A.
• Esther Love Chen, DDS
• Pey Ru Chen, LAC.

• Internal Medicine Physician in Buena Park, CA
• Providers in Buena Park, 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 May 5, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.