Erica Ngo, O.D.

Primary specialty

OptometristTaxonomy code 152W00000X

License

35735 Issued in CA

Practice address

194 Hillsdale Shopping Center
San Mateo, CA 94403-3409

Phone

(650) 341-8080

Fax

(650) 341-8565

NPI assigned

Sep 1, 2016

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

Other, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

William Y to OD IncGroup PAC ID 8022440668, 5 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

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.

• William Y. to, O.D., Inc

  • Optometrist
  • San Mateo, CA
  • NPI 1700448925
  Medicare reassignment Care Compare group NPD

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

{
    "created_epoch": "1472688000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756857600000",
    "number": "1124575790",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "194 HILLSDALE SHOPPING CENTER",
            "city": "SAN MATEO",
            "state": "CA",
            "postal_code": "944033409",
            "telephone_number": "650-341-8080",
            "fax_number": "650-341-8565"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "194 HILLSDALE SHOPPING CENTER",
            "city": "SAN MATEO",
            "state": "CA",
            "postal_code": "944033409",
            "telephone_number": "650-341-8080",
            "fax_number": "650-341-8565"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "377 Santana Row Ste 1115",
            "address_purpose": "LOCATION",
            "city": "San Jose",
            "state": "CA",
            "postal_code": "951282058",
            "country_code": "US",
            "telephone_number": "408-502-5020",
            "fax_number": "408-389-8261",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NGO",
        "first_name": "ERICA",
        "name_prefix": "Dr.",
        "credential": "O.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-09-01",
        "last_updated": "2025-09-03",
        "certification_date": "2025-09-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "CA",
            "license": "35735",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• D'Christopher Montrae Newton, CCP
• Tiffanie NG, OTR/L
• Mary Nganga, NP
• An Minh Ngo
• Deanna Ngo
• Jamie Kieu Ngo
• Tanya Ngo, MD
• Thuy Mai Ngo
• Jennfier Ngu
• Allison Nguyen

• Optometrist in San Mateo, CA
• Providers in San Mateo, CA by specialty
• Optometrist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 3, 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.