Active NPI
Retina Institute of California Medical Group, a California Medical Par
Doing business as Acuity Eye Group
- Ophthalmology Physician
- Arcadia, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Ophthalmology Physician
- Legal business name
- RETINA INSTITUTE OF CALIFORNIA MEDICAL GROUP, A CALIFORNIA MEDICAL PAR
- Doing business as
- Acuity Eye Group
- Practice address
- 288 N. Santa Anita Ave
Suite 403
Arcadia, CA 91006-3110 - Phone
- (626) 574-0188
- Fax
- (626) 574-0488
- NPI assigned
- Mar 12, 2015
- Last updated
- Apr 21, 2025
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Dr. Tom S Chang, MD
- Title
- Managing Partner
- Phone
- (626) 568-8838
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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Optometrist | 152W00000X | A69909 | CA | |
| Specialist | 174400000X | A69909 | CA | |
| Ophthalmology Physician | 207W00000X | Primary |
Addresses
Primary practice location
288 N. Santa Anita Ave
Suite 403
Arcadia, CA 91006-3110
Mailing address
288 N Santa Anita Ave Ste 402
Arcadia, CA 91006-3183
Phone (800) 898-2020
Other names 1
- Acuity Eye Group
National Provider Directory
National Provider DirectoryPractitioners & 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.
-
- Retina Specialist (Ophthalmology) Physician
- Pasadena, CA
- NPI 1609848969
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1426118400000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1745193600000",
"number": "1801289988",
"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": "288 N. SANTA ANITA AVE",
"address_2": "SUITE 403",
"city": "ARCADIA",
"state": "CA",
"postal_code": "910063110",
"telephone_number": "626-574-0188",
"fax_number": "626-574-0488"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "RETINA INSTITUTE OF CALIFORNIA MEDICAL GROUP, A CALIFORNIA MEDICAL PAR",
"organizational_subpart": "NO",
"enumeration_date": "2015-03-12",
"last_updated": "2025-04-21",
"certification_date": "2025-04-21",
"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": "626-568-8838",
"authorized_official_name_prefix": "Dr.",
"authorized_official_credential": "MD"
},
"taxonomies": [
{
"code": "152W00000X",
"taxonomy_group": "",
"desc": "Optometrist",
"state": "CA",
"license": "A69909",
"primary": false
},
{
"code": "174400000X",
"taxonomy_group": "",
"desc": "Specialist",
"state": "CA",
"license": "A69909",
"primary": false
},
{
"code": "207W00000X",
"taxonomy_group": "",
"desc": "Ophthalmology",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"organization_name": "Acuity Eye Group",
"code": "3",
"type": "Doing Business As"
}
]
}
Other providers in Arcadia, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 21, 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.