Vivien T Thach, FNP-C, AGNP-C

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

95003756 Issued in CA

Practice address

4330 E Miraloma Ave
Anaheim, CA 92807-1886

Phone

(714) 675-2184

NPI assigned

Jan 29, 2016

Last updated

Jan 29, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Southern California Permanente Medical GroupGroup PAC ID 6002729175, 11,250 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Southern California Permanente Medical Group

  • Health Maintenance Organization
  • Baldwin Park, CA
  • NPI 1770515280
  Medicare reassignment Care Compare group NPD
• Reproductive Health Care Center

  dba Sierra Health Center

  • Clinic/Center
  • Fullerton, CA
  • NPI 1508977414
  Medicare reassignment NPD
• Reproductive Health Care Center

  dba Sierra Health Center

  • Clinic/Center
  • Modesto, CA
  • NPI 1225164056
  NPD
• Southern California Permanente Medical Group

  • Health Maintenance Organization
  • Santa Clarita, CA
  • NPI 1316409410
  NPD
• Southern California Permanente Medical Group

  dba Target Clinic Medical Associates of Southern California

  • Health Maintenance Organization
  • Fullerton, CA
  • NPI 1336556059
  NPD

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

{
    "created_epoch": "1454025600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769644800000",
    "number": "1427416841",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4330 E MIRALOMA AVE",
            "city": "ANAHEIM",
            "state": "CA",
            "postal_code": "928071886"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4330 E MIRALOMA AVE",
            "city": "ANAHEIM",
            "state": "CA",
            "postal_code": "928071886",
            "telephone_number": "714-675-2184"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "THACH",
        "first_name": "VIVIEN",
        "middle_name": "T",
        "credential": "FNP-C, AGNP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-01-29",
        "last_updated": "2026-01-29",
        "certification_date": "2026-01-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "CA",
            "license": "95003756",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/scalceq",
            "affiliation": "Y",
            "endpointDescription": "Carequality",
            "affiliationName": "Southern California Permanente Medical Group",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "441 N Lakeview Ave",
            "city": "Anaheim",
            "state": "CA",
            "country_code": "US",
            "postal_code": "928073028",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Allison Isako Teshiba, MS, LMFT
• Donald Roy Teshima, O.D.
• Joseph Tan Tessler, DO
• Devansu Tewari, MD
• Calvin Thach
• Donny T Thai, PA
• Michael Thai
• Richard Thai, D.O.
• Ryan Thai
• Veronica Thai

• Nurse Practitioner in Anaheim, CA
• Providers in Anaheim, CA by specialty
• Nurse Practitioner in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 29, 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.
• 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.