Chang Eye Clinic Inc
NPI 1952521015 · Ophthalmology Physician · Alhambra, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chang Eye Clinic Inc is a Ophthalmology Physician organization in Alhambra, CA (NPI 1952521015).
Provider details
- NPI number
- 1952521015
- Entity type
- Organization
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Lung Chang, Physician(626) 289-5432
- License
- C39371 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
Registry dates
- Enumerated
- 2007-04-30
- Last updated
- 2020-08-22
Frequently asked questions
- What is Chang Eye Clinic Inc's NPI number?
- Chang Eye Clinic Inc's National Provider Identifier (NPI) is 1952521015, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Chang Eye Clinic Inc?
- Chang Eye Clinic Inc is classified in the NPPES registry as Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Chang Eye Clinic Inc located?
- Chang Eye Clinic Inc's practice location on file with NPPES is 1528 S Garfield Ave, Alhambra, CA 91801.
- What is Chang Eye Clinic Inc's phone number?
- The practice phone number listed in the NPPES registry for Chang Eye Clinic Inc is (626) 289-5432.
- Does Chang Eye Clinic Inc accept Medicare?
- Chang Eye Clinic Inc 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 Chang Eye Clinic Inc?
- The authorized official listed on Chang Eye Clinic Inc's NPPES record is Lung Chang, Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Chang Eye Clinic Inc's NPI active?
- Yes — Chang Eye Clinic Inc's NPI (1952521015) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.