NPIMap

Organization Active NPI

Retina Institute of California

Doing business as Acuity Eye Group

  • Ophthalmology Physician
  • Pasadena, CA
National Provider Identifier
1194185694
Registry record updated Aug 1, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Ophthalmology PhysicianTaxonomy code 207W00000X
License
A69909 Issued in CA
Legal business name
RETINA INSTITUTE OF CALIFORNIA
Doing business as
Acuity Eye Group
Practice address
100 E California Blvd
Pasadena, CA 91105-3205
Phone
(626) 269-5348
Fax
(265) 838-8386
NPI assigned
Feb 26, 2016
Last updated
Aug 1, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Aug 1, 2025

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

Authorized official

Name
Tom S ChangNPI 1609848969
Title
Managing Partner
Phone
(800) 898-2020

Authorized official NPPES reports the official by name only. The link goes to the one practitioner with that name whose NPPES practice address or phone number is this organization’s.

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
OptometristGroup: 193400000X MULTIPLE SINGLE SPECIALTY GROUP 152W00000X A69909 CA
Ophthalmology PhysicianGroup: 193400000X MULTIPLE SINGLE SPECIALTY GROUP 207W00000X A69909 CA Primary

Addresses

Primary practice location

100 E California Blvd
Pasadena, CA 91105-3205

Mailing address

288 N Santa Anita Ave Ste 402
Arcadia, CA 91006-3183
Phone (800) 898-2020

Other names 1

  • ACUITY EYE GROUP Doing business as

National Provider Directory

National Provider Directory
Tax ID family
Retina Institute of Ca37 organizations share this tax ID, including this one

Other organizations with this tax ID 36

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

View all 36

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1456444800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1754006400000",
    "number": "1194185694",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "288 N SANTA ANITA AVE STE 402",
            "city": "ARCADIA",
            "state": "CA",
            "postal_code": "910063183",
            "telephone_number": "800-898-2020",
            "fax_number": "844-897-3788"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 E CALIFORNIA BLVD",
            "city": "PASADENA",
            "state": "CA",
            "postal_code": "911053205",
            "telephone_number": "626-269-5348",
            "fax_number": "265-838-8386"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "RETINA INSTITUTE OF CALIFORNIA",
        "organizational_subpart": "NO",
        "enumeration_date": "2016-02-26",
        "last_updated": "2025-08-01",
        "certification_date": "2025-08-01",
        "status": "A",
        "authorized_official_last_name": "CHANG",
        "authorized_official_first_name": "TOM",
        "authorized_official_middle_name": "S",
        "authorized_official_title_or_position": "MANAGING PARTNER",
        "authorized_official_telephone_number": "800-898-2020"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Optometrist",
            "state": "CA",
            "license": "A69909",
            "primary": false
        },
        {
            "code": "207W00000X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Ophthalmology",
            "state": "CA",
            "license": "A69909",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "ACUITY EYE GROUP",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Pasadena, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 1, 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.