John W Chang MD Medical Corporation
NPI 1881707008 · Multi-Specialty Clinic/Center · Los Angeles, CA
John W Chang MD Medical Corporation is a Multi-Specialty Clinic/Center organization in Los Angeles, CA (NPI 1881707008).
Provider details
- NPI number
- 1881707008
- Entity type
- Organization
- Primary specialty
- Multi-Specialty Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- John Chang, President(310) 396-4543
- License
- A77448 (CA)
Specialties & taxonomies
Ambulatory Health Care Facilities
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
- 2006-08-15
- Last updated
- 2010-10-04
Frequently asked questions
- What is John W Chang MD Medical Corporation's NPI number?
- John W Chang MD Medical Corporation's National Provider Identifier (NPI) is 1881707008, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John W Chang MD Medical Corporation?
- John W Chang MD Medical Corporation is classified in the NPPES registry as Multi-Specialty Clinic/Center (Ambulatory Health Care Facilities).
- Where is John W Chang MD Medical Corporation located?
- John W Chang MD Medical Corporation's practice location on file with NPPES is 2001 S Barrington Ave, Los Angeles, CA 90025-5363.
- What is John W Chang MD Medical Corporation's phone number?
- The practice phone number listed in the NPPES registry for John W Chang MD Medical Corporation is (310) 396-4543.
- Who is the authorized official for John W Chang MD Medical Corporation?
- The authorized official listed on John W Chang MD Medical Corporation's NPPES record is John Chang, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John W Chang MD Medical Corporation's NPI active?
- Yes — John W Chang MD Medical Corporation's NPI (1881707008) is active in the NPPES registry as of the last update on 2010-10-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.