Johntin Medical Group Inc

Primary specialty

Preferred Provider OrganizationTaxonomy code 305R00000X

License

G61730 Issued in CA

Legal business name

JOHNTIN MEDICAL GROUP INC

Practice address

18397 Colima Rd
Rowland Heights, CA 91748-2749

Phone

(626) 913-1888

Fax

(626) 913-1999

NPI assigned

Apr 4, 2007

Organization subpart

No

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

Authorized official

Name

Dr. Tin YungNPI 1356407415

Title

Medical Director

Phone

(626) 913-1888

Specialties & licenses 1

Addresses

Locations

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Tin Yung, M.D.

  • Family Medicine Physician
  • Rowland Heights, CA
  • NPI 1356407415
  NPD (past) Authorized official

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

{
    "created_epoch": "1175644800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1782950400000",
    "number": "1336261031",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "18397 COLIMA RD",
            "city": "ROWLAND HEIGHTS",
            "state": "CA",
            "postal_code": "917482749",
            "telephone_number": "626-913-1888",
            "fax_number": "626-913-1999"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "18397 COLIMA RD",
            "city": "ROWLAND HEIGHTS",
            "state": "CA",
            "postal_code": "917482749",
            "telephone_number": "626-913-1888",
            "fax_number": "626-913-1999"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "JOHNTIN MEDICAL GROUP INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-04-04",
        "last_updated": "2026-07-02",
        "certification_date": "2026-07-02",
        "status": "A",
        "authorized_official_last_name": "YUNG",
        "authorized_official_first_name": "TIN",
        "authorized_official_title_or_position": "MEDICAL DIRECTOR",
        "authorized_official_telephone_number": "626-913-1888",
        "authorized_official_name_prefix": "Dr."
    },
    "taxonomies": [
        {
            "code": "305R00000X",
            "taxonomy_group": "",
            "desc": "Preferred Provider Organization",
            "state": "CA",
            "license": "G61730",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Preferred Provider Organization in Rowland Heights, CA
• Providers in Rowland Heights, CA by specialty
• Preferred Provider Organization in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 2, 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.