Helena Chang, MD
NPI 1306859038 · Surgical Oncology Physician · Los Angeles, CA
Helena Chang, MD is a Surgical Oncology Physician provider in Los Angeles, CA (NPI 1306859038).
Provider details
- NPI number
- 1306859038
- Entity type
- Individual
- Primary specialty
- Surgical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G64348 (CA)
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
19 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
- 2006-08-14
- Last updated
- 2020-01-23
- Certified
- 2020-01-23
Frequently asked questions
- What is Helena Chang's NPI number?
- Helena Chang's National Provider Identifier (NPI) is 1306859038, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Helena Chang's specialty?
- Helena Chang is listed in the NPPES registry with a primary specialty of Surgical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Helena Chang located?
- Helena Chang's practice location on file with NPPES is 100 Ucla Medical Plz Ste 310, Los Angeles, CA 90024-6999.
- What is Helena Chang's phone number?
- The practice phone number listed in the NPPES registry for Helena Chang is (310) 825-2144.
- Is Helena Chang's NPI active?
- Yes — Helena Chang's NPI (1306859038) is active in the NPPES registry as of the last update on 2020-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.