CHI-Whei Lin, MD, Inc.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

A55435 Issued in CA

Legal business name

CHI-WHEI LIN, MD, INC.

Practice address

23521 Paseo de Valencia
Suite 310
Laguna Hills, CA 92653-3107

Phone

(949) 716-4555

Fax

(949) 716-4437

NPI assigned

Dec 19, 2013

Last updated

Jun 27, 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

Dr. CHI-Whei Lin, M.D.NPI 1114057254

Title

President

Phone

(949) 716-4555

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in CA

Enrollment records 1

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

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.

• CHI-Whei Lin, M.D.

  • Internal Medicine Physician
  • Laguna Hills, CA
  • NPI 1114057254
  Medicare reassignment NPD Authorized official
• David Wayne Williams, L.V.N. P.T.

  • Licensed Vocational Nurse
  • Irvine, CA
  • NPI 1376663948
  NPD

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

{
    "created_epoch": "1387411200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1750982400000",
    "number": "1912328865",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "23521 PASEO DE VALENCIA",
            "address_2": "SUITE 310",
            "city": "LAGUNA HILLS",
            "state": "CA",
            "postal_code": "926533107",
            "telephone_number": "949-716-4555",
            "fax_number": "949-716-4437"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "23521 PASEO DE VALENCIA",
            "address_2": "SUITE 310",
            "city": "LAGUNA HILLS",
            "state": "CA",
            "postal_code": "926533107",
            "telephone_number": "949-716-4555",
            "fax_number": "949-716-4437"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "CHI-WHEI LIN, MD, INC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2013-12-19",
        "last_updated": "2025-06-27",
        "certification_date": "2025-06-27",
        "status": "A",
        "authorized_official_last_name": "LIN",
        "authorized_official_first_name": "CHI-WHEI",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "949-716-4555",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "M.D."
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A55435",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "NPI TYPE 1",
            "identifier": "1114057254",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Joshua Cheng
• Karen Deborah Cheng, M.D.
• Cherie McQuay Cassara, Marriage & Family Therapy, Inc. (Simply Horse Sense)
• Joel M Cherlow, M.D., PH.D.
• Athena Lee Cheung
• Celia HP Chiang, M.D.
• Kang-Han Chiang
• Sarah Chik, LMFT
• Jae Cho-Zollinger
• Eric H Cho, D.D.S.

• 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 Jun 27, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• 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.