Retina Institute of California
NPI 1194185694 · Ophthalmology Physician · Pasadena, CA
Retina Institute of California is a Ophthalmology Physician organization in Pasadena, CA (NPI 1194185694).
Provider details
- NPI number
- 1194185694
- Entity type
- Organization
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Tom Chang, Managing Partner(800) 898-2020
- License
- A69909 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
10 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
- 2016-02-26
- Last updated
- 2025-08-01
- Certified
- 2025-08-01
Frequently asked questions
- What is Retina Institute of California's NPI number?
- Retina Institute of California's National Provider Identifier (NPI) is 1194185694, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Retina Institute of California?
- Retina Institute of California is classified in the NPPES registry as Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Retina Institute of California located?
- Retina Institute of California's practice location on file with NPPES is 100 E California Blvd, Pasadena, CA 91105-3205.
- What is Retina Institute of California's phone number?
- The practice phone number listed in the NPPES registry for Retina Institute of California is (626) 269-5348.
- Who is the authorized official for Retina Institute of California?
- The authorized official listed on Retina Institute of California's NPPES record is Tom Chang, Managing Partner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Retina Institute of California's NPI active?
- Yes — Retina Institute of California's NPI (1194185694) is active in the NPPES registry as of the last update on 2025-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.