Eng and Chang Partnership
NPI 1245398882 · Ophthalmology Physician · Pasadena, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eng and Chang Partnership is a Ophthalmology Physician organization in Pasadena, CA (NPI 1245398882).
Provider details
- NPI number
- 1245398882
- Entity type
- Organization
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Calvin Eng, Owner(626) 289-8260
- License
- G55239 (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
Other names (DBA / former)
- Doing business as
- Eng Medical Associates
Registry dates
- Enumerated
- 2006-12-05
- Last updated
- 2013-09-11
Frequently asked questions
- What is Eng and Chang Partnership's NPI number?
- Eng and Chang Partnership's National Provider Identifier (NPI) is 1245398882, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Eng and Chang Partnership?
- Eng and Chang Partnership is classified in the NPPES registry as Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Eng and Chang Partnership located?
- Eng and Chang Partnership's practice location on file with NPPES is 625 S Fair Oaks Ave, Pasadena, CA 91105-2664.
- What is Eng and Chang Partnership's phone number?
- The practice phone number listed in the NPPES registry for Eng and Chang Partnership is (626) 796-7006.
- Does Eng and Chang Partnership accept Medicare?
- Eng and Chang Partnership 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 Eng and Chang Partnership?
- The authorized official listed on Eng and Chang Partnership's NPPES record is Calvin Eng, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Eng and Chang Partnership's NPI active?
- Yes — Eng and Chang Partnership's NPI (1245398882) is active in the NPPES registry as of the last update on 2013-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.