Heidi Chang, D.C.
NPI 1538600234 · Chiropractor · San Francisco, CA
Enrolled with Medicare as Practitioner - Chiropractic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Heidi Chang, D.C. is a Chiropractor provider in San Francisco, CA (NPI 1538600234).
Provider details
- NPI number
- 1538600234
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- D.C.
- Sex
- Female
- Sole proprietor
- No
- License
- 33804 (CA)
Specialties & taxonomies
Chiropractic Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
- 2017-03-14
- Last updated
- 2019-09-27
Frequently asked questions
- What is Heidi Chang's NPI number?
- Heidi Chang's National Provider Identifier (NPI) is 1538600234, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heidi Chang's specialty?
- Heidi Chang is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Heidi Chang located?
- Heidi Chang's practice location on file with NPPES is 1520 Stockton St, San Francisco, CA 94133-3354.
- What is Heidi Chang's phone number?
- The practice phone number listed in the NPPES registry for Heidi Chang is (415) 391-9686.
- Does Heidi Chang accept Medicare?
- Heidi Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Heidi Chang's NPI active?
- Yes — Heidi Chang's NPI (1538600234) is active in the NPPES registry as of the last update on 2019-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.