Vivian Chang, M.D.
NPI 1255595229 · Pediatric Hematology & Oncology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Vivian Chang, M.D. is a Pediatric Hematology & Oncology Physician provider in Los Angeles, CA (NPI 1255595229).
Provider details
- NPI number
- 1255595229
- Entity type
- Individual
- Primary specialty
- Pediatric Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A106785 (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
17 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
- 2008-07-17
- Last updated
- 2013-04-03
Frequently asked questions
- What is Vivian Chang's NPI number?
- Vivian Chang's National Provider Identifier (NPI) is 1255595229, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vivian Chang's specialty?
- Vivian Chang is listed in the NPPES registry with a primary specialty of Pediatric Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Vivian Chang located?
- Vivian Chang's practice location on file with NPPES is 10833 Le Conte Ave, Los Angeles, CA 90095-3075.
- What is Vivian Chang's phone number?
- The practice phone number listed in the NPPES registry for Vivian Chang is (310) 825-6708.
- Does Vivian Chang accept Medicare?
- Vivian Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Vivian Chang's NPI active?
- Yes — Vivian Chang's NPI (1255595229) is active in the NPPES registry as of the last update on 2013-04-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.