Javier Chang, M.D.
NPI 1558565366 · Family Medicine Physician · Claremont, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Javier Chang, M.D. is a Family Medicine Physician provider in Claremont, CA (NPI 1558565366).
Provider details
- NPI number
- 1558565366
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A86715 (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
2 documented practice locations
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
Additional practice locations (1)
- 191 S Buena Vista StSuite 150Burbank, CA 91505-4504Phone: (818) 295-5920Fax: (818) 295-6965
Registry dates
- Enumerated
- 2007-06-14
- Last updated
- 2018-11-26
Frequently asked questions
- What is Javier Chang's NPI number?
- Javier Chang's National Provider Identifier (NPI) is 1558565366, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Javier Chang's specialty?
- Javier Chang is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Javier Chang located?
- Javier Chang's practice location on file with NPPES is 1601 Monte Vista Ave Ste 190, Claremont, CA 91711-6600.
- What is Javier Chang's phone number?
- The practice phone number listed in the NPPES registry for Javier Chang is (909) 865-9977.
- Does Javier Chang accept Medicare?
- Javier Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Javier Chang's NPI active?
- Yes — Javier Chang's NPI (1558565366) is active in the NPPES registry as of the last update on 2018-11-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.