Rachel Chang, M.S., R.D.
NPI 1922162973 · Registered Dietitian · South San Francisco, CA
Rachel Chang, M.S., R.D. is a Registered Dietitian provider in South San Francisco, CA (NPI 1922162973).
Provider details
- NPI number
- 1922162973
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- M.S., R.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 864597 (CA)
Specialties & taxonomies
Dietary & Nutritional Service Providers
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
- 2006-12-21
- Last updated
- 2007-07-17
Frequently asked questions
- What is Rachel Chang's NPI number?
- Rachel Chang's National Provider Identifier (NPI) is 1922162973, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rachel Chang's specialty?
- Rachel Chang is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Rachel Chang located?
- Rachel Chang's practice location on file with NPPES is 1200 El Camino Real, South San Francisco, CA 94080-3208.
- What is Rachel Chang's phone number?
- The practice phone number listed in the NPPES registry for Rachel Chang is (650) 742-3168.
- Is Rachel Chang's NPI active?
- Yes — Rachel Chang's NPI (1922162973) is active in the NPPES registry as of the last update on 2007-07-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.