Chien-Ko Wu, M.D. and Meei-Ling T Wu, M.D., Inc.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

A38491 Issued in CA

Legal business name

CHIEN-KO WU, M.D. AND MEEI-LING T WU, M.D., INC.

Practice address

991 N Tustin St
Suite 101
Orange, CA 92867-5900

Phone

(714) 639-6162

NPI assigned

May 16, 2007

Organization subpart

No

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

Authorized official

Name

Dr. Chien-Ko Wu, M.D.

Title

Co-President

Phone

(714) 639-6162

Specialties & licenses 2

Addresses

Other identifiers 4

Tax ID family

Chien-Ko Wu MD and Meei-Ling T Wu MD Inc2 organizations share this tax ID, including this one

Other organizations with this tax ID 1

Organizations that report the same tax identification number in the National Provider Directory.

• Chien-Ko Wu M.D. and Meei-Ling T Wu M.D. Inc

  • Primary Care Clinic/Center
  • Orange, CA
  • NPI 1558637660
  NPD tax ID

Networks

• BSC 65 PLUS INDIVIDUAL MAPDPlans: Blue Shield 65 Plus (HMO) (H0504-015-000, H0504); Blue Shield 65 Plus (HMO) (H0504-039-000, H0504); Blue Shield 65 Plus Plan 2 (HMO) (H0504-021-000, H0504); Blue Shield Inspire (HMO) (H0504-041-000, H0504); Blue Shield 65 Plus (HMO) (H0504-038-000, H0504); Blue Shield Inspire (HMO) (H0504-047-000, H0504); Blue Shield 65 Plus (HMO) (H0504-026-000, H0504); Blue Shield Advantage (HMO) (H0504-050-000, H0504); Blue Shield AdvantageOptimum Plan (HMO) (H5928-004-000, H5928); Blue Shield Inspire (HMO) (H0504-043-000, H0504)…

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

{
    "created_epoch": "1179273600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1083820856",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "991 N TUSTIN ST",
            "address_2": "SUITE 101",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928675900",
            "telephone_number": "714-639-6162"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "991 N TUSTIN ST",
            "address_2": "SUITE 101",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928675900",
            "telephone_number": "714-639-6162"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "CHIEN-KO WU, M.D. AND MEEI-LING T WU, M.D., INC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-05-16",
        "last_updated": "2025-09-11",
        "status": "A",
        "authorized_official_last_name": "WU",
        "authorized_official_first_name": "CHIEN-KO",
        "authorized_official_title_or_position": "CO-PRESIDENT",
        "authorized_official_telephone_number": "714-639-6162",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "M.D."
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A38491",
            "primary": true
        },
        {
            "code": "207W00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Ophthalmology",
            "state": "CA",
            "license": "A40891",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CHIEN-KO WU, M.D.",
            "identifier": "A38491",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A384910",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEEI-LING T WU, M.D.",
            "identifier": "A40891",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A408910",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Sadie Chichakly, CPNP
• Zanetta Anne Chichester, ACSW
• Angela Yin Chieh
• Kimberly Yan Chieh, MD
• Chien-Ko Wu M.D. and Meei-Ling T Wu M.D. Inc
• Emily Sarah Chien, MS CGC
• Ruby Chien, MD
• Jose Chihuahua, COUNSELOR
• Kamal Kenny Chikalard, MD
• Kristen Chikami, MD

• Internal Medicine Physician in Orange, CA
• Providers in Orange, 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 Sep 11, 2025; 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.