NPIMap

Organization Active NPI

Cambridge Optometry Partners

Doing business as Cambridge Optometry

  • Optometrist
  • Palo Alto, CA
National Provider Identifier
1073754974
Registry record updated Feb 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
OptometristTaxonomy code 152W00000X
License
11278T Issued in CA
Legal business name
CAMBRIDGE OPTOMETRY PARTNERS
Doing business as
Cambridge Optometry
Practice address
2307 Birch St
Palo Alto, CA 94306-1602
Phone
(650) 323-6772
Fax
(650) 323-6775
NPI assigned
Mar 23, 2009
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Feb 9, 2026

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

Authorized official

Name
Dr. Cindy Hsiao Threlkeld, ODNPI 1407093834
Title
Optometrist
Phone
(650) 323-6772

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
OptometristGroup: 193400000X MULTIPLE SINGLE SPECIALTY GROUP 152W00000X 11278T CA Primary

Addresses

Primary practice location

2307 Birch St
Palo Alto, CA 94306-1602

Mailing address

2307 Birch St
Palo Alto, CA 94306-1602
Phone (650) 323-6772

Other names 1

  • Cambridge Optometry Doing business as

National Provider Directory

National Provider Directory

Locations

250 Cambridge Ave
Ste 102
Palo Alto, CA 94306
Phone (650) 323-6772

2307 Birch St
Palo Alto, CA 94306
Phone (650) 323-6772

Practitioners & affiliated clinicians

Practitioners 4

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1237766400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1770595200000",
    "number": "1073754974",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2307 BIRCH ST",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943061602",
            "telephone_number": "650-323-6772",
            "fax_number": "650-323-6775"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2307 BIRCH ST",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943061602",
            "telephone_number": "650-323-6772",
            "fax_number": "650-323-6775"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "CAMBRIDGE OPTOMETRY PARTNERS",
        "organizational_subpart": "NO",
        "enumeration_date": "2009-03-23",
        "last_updated": "2026-02-09",
        "certification_date": "2026-02-09",
        "status": "A",
        "authorized_official_last_name": "THRELKELD",
        "authorized_official_first_name": "CINDY",
        "authorized_official_middle_name": "HSIAO",
        "authorized_official_title_or_position": "OPTOMETRIST",
        "authorized_official_telephone_number": "650-323-6772",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "OD"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Optometrist",
            "state": "CA",
            "license": "11278T",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Cambridge Optometry",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Cambridge Optometry",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Palo Alto, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 9, 2026; 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.