Roxanne Chang, MD
NPI 1780623389 · Pediatrics Physician · Torrance, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Roxanne Chang, MD is a Pediatrics Physician provider in Torrance, CA (NPI 1780623389).
Provider details
- NPI number
- 1780623389
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD00044102 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-06-06
- Last updated
- 2022-07-22
- Certified
- 2022-07-22
Frequently asked questions
- What is Roxanne Chang's NPI number?
- Roxanne Chang's National Provider Identifier (NPI) is 1780623389, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roxanne Chang's specialty?
- Roxanne Chang is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Roxanne Chang located?
- Roxanne Chang's practice location on file with NPPES is 21081 S Western Ave, Torrance, CA 90501-1703.
- What is Roxanne Chang's phone number?
- The practice phone number listed in the NPPES registry for Roxanne Chang is (310) 533-6600.
- Does Roxanne Chang accept Medicare?
- Roxanne Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Roxanne Chang's NPI active?
- Yes — Roxanne Chang's NPI (1780623389) is active in the NPPES registry as of the last update on 2022-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.