Retina Institute of California Medical Group, a California Medical Par
NPI 1831582998 · Optometrist · Downey, CA
Retina Institute of California Medical Group, a California Medical Par is a Optometrist organization in Downey, CA (NPI 1831582998).
Provider details
- NPI number
- 1831582998
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Tom Chang, Founder(626) 568-8838
- License
- A69909 (CA)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Acuity Eye Group
Registry dates
- Enumerated
- 2015-03-13
- Last updated
- 2021-09-10
- Certified
- 2021-09-10
Frequently asked questions
- What is Retina Institute of California Medical Group, a California Medical Par's NPI number?
- Retina Institute of California Medical Group, a California Medical Par's National Provider Identifier (NPI) is 1831582998, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Retina Institute of California Medical Group, a California Medical Par?
- Retina Institute of California Medical Group, a California Medical Par is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is Retina Institute of California Medical Group, a California Medical Par located?
- Retina Institute of California Medical Group, a California Medical Par's practice location on file with NPPES is 11525 Brookshire Ave # 201a, Downey, CA 90241-4985.
- What is Retina Institute of California Medical Group, a California Medical Par's phone number?
- The practice phone number listed in the NPPES registry for Retina Institute of California Medical Group, a California Medical Par is (562) 862-6200.
- Who is the authorized official for Retina Institute of California Medical Group, a California Medical Par?
- The authorized official listed on Retina Institute of California Medical Group, a California Medical Par's NPPES record is Tom Chang, Founder. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Retina Institute of California Medical Group, a California Medical Par's NPI active?
- Yes — Retina Institute of California Medical Group, a California Medical Par's NPI (1831582998) is active in the NPPES registry as of the last update on 2021-09-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.