Calvin Kuo-Yang Chen, MD

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

A78000 Issued in CA

Practice address

661 W 1St St Ste G
Tustin, CA 92780-2939

Phone

(714) 665-9890

Fax

(714) 665-9891

NPI assigned

Mar 17, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in WA

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Interoperability endpoints

• Direct secure messaging: cchen1666@tvc-direct.org

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.

• The Vancouver Clinic Inc PS

  • Internal Medicine Physician
  • Vancouver, WA
  • NPI 1992759427
  Medicare reassignment
• Families Together of Orange County

  • Federally Qualified Health Center (FQHC)
  • Tustin, CA
  • NPI 1114788239
  NPD (past)
• Families Together of Orange County

  • Clinic/Center
  • Tustin, CA
  • NPI 1194122457
  NPD (past)
• Providence Facey Medical Foundation

  • Internal Medicine Physician
  • Valencia, CA
  • NPI 1710031588

  Pediatrics

  NPD (past)
• Providence Facey Medical Foundation

  • Multi-Specialty Clinic/Center
  • Irvine, CA
  • NPI 1891348447
  NPD (past)
• Health Services Corporation of Southeastern Indiana

  • Family Medicine Physician
  • Lawrenceburg, IN
  • NPI 1487618807

  Pediatrics

  NPD (past)
• The Vancouver Clinic Pharmacy

  • Pharmacist
  • Vancouver, WA
  • NPI 1336365857
  NPD (past)

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

{
    "created_epoch": "1142553600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781740800000",
    "number": "1831168111",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "661 W 1ST ST STE G",
            "city": "TUSTIN",
            "state": "CA",
            "postal_code": "927802939",
            "telephone_number": "714-665-9890",
            "fax_number": "714-665-9891"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "661 W 1ST ST STE G",
            "city": "TUSTIN",
            "state": "CA",
            "postal_code": "927802939",
            "telephone_number": "714-665-9890",
            "fax_number": "714-665-9891"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "11180 Warner Ave Ste 353",
            "address_purpose": "LOCATION",
            "city": "Fountain Valley",
            "state": "CA",
            "postal_code": "927084098",
            "country_code": "US",
            "telephone_number": "714-968-6789",
            "fax_number": "714-202-2626",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "9918 Katella Ave Ste A-C",
            "address_purpose": "LOCATION",
            "city": "Anaheim",
            "state": "CA",
            "postal_code": "928046465",
            "country_code": "US",
            "telephone_number": "714-644-9494",
            "fax_number": "714-644-9894",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHEN",
        "first_name": "CALVIN",
        "middle_name": "KUO-YANG",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-17",
        "last_updated": "2026-06-18",
        "certification_date": "2026-06-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "WA",
            "license": "MD60082435",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "CA",
            "license": "A78000",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1831168111",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Artaporn Chatkoo
• Ana Chavez
• Yasmin Chavez
• Devon Chazan
• Sara Danielle Chee
• Duhli Craig Chen, DDS
• Ginnie I Chen, DDS
• Heidi L. Chen, L.AC
• Michael J Chen, D.D.S.
• Peggy Chen, OMD

• Pediatrics Physician in Tustin, CA
• Providers in Tustin, CA by specialty
• Pediatrics Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 18, 2026; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.