John Chang MD PC
NPI 1649752932 · Physical Medicine & Rehabilitation Physician · Los Angeles, CA
John Chang MD PC is a Physical Medicine & Rehabilitation Physician organization in Los Angeles, CA (NPI 1649752932).
Provider details
- NPI number
- 1649752932
- Entity type
- Organization
- Primary specialty
- Physical Medicine & Rehabilitation PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- John Chang, President(310) 766-5947
- License
- 77448 (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
7 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
- 2018-09-03
- Last updated
- 2018-09-03
Frequently asked questions
- What is John Chang MD PC's NPI number?
- John Chang MD PC's National Provider Identifier (NPI) is 1649752932, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John Chang MD PC?
- John Chang MD PC is classified in the NPPES registry as Physical Medicine & Rehabilitation Physician (Allopathic & Osteopathic Physicians).
- Where is John Chang MD PC located?
- John Chang MD PC's practice location on file with NPPES is 1625 W Olympic Blvd Ste M100, Los Angeles, CA 90015-3824.
- What is John Chang MD PC's phone number?
- The practice phone number listed in the NPPES registry for John Chang MD PC is (310) 766-5947.
- Who is the authorized official for John Chang MD PC?
- The authorized official listed on John Chang MD PC'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 Chang MD PC's NPI active?
- Yes — John Chang MD PC's NPI (1649752932) is active in the NPPES registry as of the last update on 2018-09-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.