Tammy Vien, RN

Primary specialty

Registered NurseTaxonomy code 163W00000X

License

95230893 Issued in CA

Practice address

818 Webster St
Oakland, CA 94607-4220

Phone

(510) 986-6800

NPI assigned

Oct 29, 2020

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

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, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Asian Health ServicesGroup PAC ID 0244271021, 93 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner, Registered Nurse

State licenses

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 and National Provider Directory roles.

• Asian Health Services

  • Federally Qualified Health Center (FQHC)
  • Oakland, CA
  • NPI 1841331402
  Medicare reassignment Care Compare group NPD
• Asian Health Services

  • Federally Qualified Health Center (FQHC)
  • Oakland, CA
  • NPI 1003134545
  NPD

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

{
    "created_epoch": "1603929600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1603929600000",
    "number": "1285234195",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2139 PACIFIC AVE APT B",
            "city": "ALAMEDA",
            "state": "CA",
            "postal_code": "945011452"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "818 WEBSTER ST",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946074220",
            "telephone_number": "510-986-6800"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "VIEN",
        "first_name": "TAMMY",
        "credential": "RN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-10-29",
        "last_updated": "2020-10-29",
        "certification_date": "2020-10-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "CA",
            "license": "95230893",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Vanessa Vieira de Freitas
• Donald Allen Vieira
• Danielle Vielle
• Elden Vien, PHARMD
• Sandy Vien
• Kate Viernes
• Janet Vieyra
• Lakshmi Vijanderan
• Chethana Vijay, MD
• Supraja Vijay

• Registered Nurse in Oakland, CA
• Providers in Oakland, CA by specialty
• Registered Nurse in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 29, 2020; 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.