Sidney Alexandria Nguyen, OD

Primary specialty

OptometristTaxonomy code 152W00000X

License

36135 Issued in CA

Practice address

2580 Old 1St St
Livermore, CA 94550-2055

Phone

(925) 449-8188

NPI assigned

Oct 13, 2025

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: No
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Optometry

Education

University of California - School of Optometry, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Accuvision Eyecare OptometryGroup PAC ID 4082833702, 3 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

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.

• Accuvision Eyecare Optometry

  • Optometrist
  • Livermore, CA
  • NPI 1356756464
  Medicare reassignment Care Compare group NPD

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

{
    "created_epoch": "1760313600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760313600000",
    "number": "1285500769",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "29925 SUGAR MAPLE CT",
            "city": "HAYWARD",
            "state": "CA",
            "postal_code": "945446676",
            "telephone_number": "650-888-9210"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2580 OLD 1ST ST",
            "city": "LIVERMORE",
            "state": "CA",
            "postal_code": "945502055",
            "telephone_number": "925-449-8188"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NGUYEN",
        "first_name": "SIDNEY",
        "middle_name": "ALEXANDRIA",
        "credential": "OD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-10-13",
        "last_updated": "2025-10-13",
        "certification_date": "2025-10-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "CA",
            "license": "36135",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• John Tien Nguyen, D.M.D.
• Katherine-Anh Tu Nguyen, RPH
• Lankhanh Dinh Nguyen, DDS
• Minh Thu Nguyen
• Quyen Nguyen
• Thoa Nguyen
• Thuy Nguyen
• Tin Nguyen
• Tracy Nguyen, OD
• Denice Michelle Nielson, MOTR/L, CHT

• Optometrist in Livermore, CA
• Providers in Livermore, CA by specialty
• Optometrist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 13, 2025; 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.