OrganizationActive
Retina Institute of California Medical Group, a California Medical Par
NPI 1124411285 · Ophthalmology Physician · Santa Ana, CA
Provider details
- NPI number
- 1124411285
- Entity type
- Organization
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Tom Chang, Founder(626) 568-8838
- License
- A69909 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Eye and Vision Services Providers
Profile Score
Established profile(74/100 index)
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
1403 N Tustin Ave Ste 399
Santa Ana, CA 92705-8691
Phone: (714) 884-3961
Fax: (714) 884-3458
Street-level locationGet directions
Mailing address
100 E California Blvd
Pasadena, CA 91105-3205
Other names (DBA / former)
- Doing business as
- Acuity Eye Group
Registry dates
- Enumerated
- 2015-03-13
- Last updated
- 2021-09-22
- Certified
- 2021-09-22
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.