NPIMap

Organization Active NPI

Through the Hayes Optometry Inc

  • Optometrist
  • Danville, CA
National Provider Identifier
1043101660
Registry record updated Jul 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
OptometristTaxonomy code 152W00000X
Legal business name
THROUGH THE HAYES OPTOMETRY INC
Practice address
417 Sycamore Valley Rd W
Danville, CA 94526-3951
Phone
(925) 838-3021
NPI assigned
Jul 11, 2025
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jul 11, 2025

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

Authorized official

Name
May Tam
Title
President
Phone
(619) 295-2900

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
OptometristGroup: 193400000X SINGLE SPECIALTY GROUP 152W00000X Primary

Addresses

Primary practice location

417 Sycamore Valley Rd W
Danville, CA 94526-3951

Mailing address

417 Sycamore Valley Rd W
Danville, CA 94526-3951
Phone (925) 838-3021

Other names 1

  • Vision Dynamics Optometric Center Doing business as

National Provider Directory

National Provider Directory
Tax ID family
Through the Hayes Optometry Inc7 organizations share this tax ID, including this one

Other organizations with this tax ID 6

Organizations that report the same tax identification number in the National Provider Directory.

NPI Registry JSON

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

{
    "created_epoch": "1752192000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1752192000000",
    "number": "1043101660",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "417 SYCAMORE VALLEY RD W",
            "city": "DANVILLE",
            "state": "CA",
            "postal_code": "945263951",
            "telephone_number": "925-838-3021"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "417 SYCAMORE VALLEY RD W",
            "city": "DANVILLE",
            "state": "CA",
            "postal_code": "945263951",
            "telephone_number": "925-838-3021"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "THROUGH THE HAYES OPTOMETRY INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-07-11",
        "last_updated": "2025-07-11",
        "certification_date": "2025-07-11",
        "status": "A",
        "authorized_official_last_name": "TAM",
        "authorized_official_first_name": "MAY",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "619-295-2900"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Optometrist",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Vision Dynamics Optometric Center",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Danville, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.