Sergio Chang, REGISTERED NURSE
NPI 1952831034 · Ambulatory Care Registered Nurse · Torrance, CA
Sergio Chang, REGISTERED NURSE is a Ambulatory Care Registered Nurse provider in Torrance, CA (NPI 1952831034).
Provider details
- NPI number
- 1952831034
- Entity type
- Individual
- Primary specialty
- Ambulatory Care Registered NurseNursing Service Providers
- Credential
- REGISTERED NURSE
- Sex
- Male
- Sole proprietor
- Yes
- License
- 748573 (CA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
9 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$17 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-06-12
- Last updated
- 2017-06-12
Frequently asked questions
- What is Sergio Chang's NPI number?
- Sergio Chang's National Provider Identifier (NPI) is 1952831034, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sergio Chang's specialty?
- Sergio Chang is listed in the NPPES registry with a primary specialty of Ambulatory Care Registered Nurse (Nursing Service Providers).
- Where is Sergio Chang located?
- Sergio Chang's practice location on file with NPPES is 1000 W Carson St, Torrance, CA 90502-2004.
- What is Sergio Chang's phone number?
- The practice phone number listed in the NPPES registry for Sergio Chang is (310) 222-1906.
- Is Sergio Chang's NPI active?
- Yes — Sergio Chang's NPI (1952831034) is active in the NPPES registry as of the last update on 2017-06-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.