Retina Institute of California Medical Group, a California Medical Par
NPI 1760541569 · Ophthalmology Physician · Pasadena, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Retina Institute of California Medical Group, a California Medical Par is a Ophthalmology Physician organization in Pasadena, CA (NPI 1760541569).
Provider details
- NPI number
- 1760541569
- Entity type
- Organization
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Tom Chang, Owner(626) 568-8838
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Optometrist152W00000X
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
19 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
- Doing business as
- Acuity Optical
Registry dates
- Enumerated
- 2006-12-07
- Last updated
- 2025-08-01
- Certified
- 2025-08-01
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 1760541569, 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 Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- 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 100 E California Blvd, Pasadena, CA 91105-3205.
- 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 (800) 898-2020.
- Does Retina Institute of California Medical Group, a California Medical Par accept Medicare?
- Retina Institute of California Medical Group, a California Medical Par is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- 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, Owner. 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 (1760541569) 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.