IndividualActive
Joy Woon-Chin, RDN
NPI 1356231054 · Registered Dietitian · San Ramon, CA
Joy Woon-Chin, RDN is a Registered Dietitian provider in San Ramon, CA (NPI 1356231054).
Provider details
- NPI number
- 1356231054
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RDN
- Sex
- Female
- Sole proprietor
- Yes
- License
- 805020 (CA)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Established profile(54/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
1820 Barossa Dr
San Ramon, CA 94582-4675
Phone: (925) 785-9423
Street-level locationGet directions
Mailing address
1820 Barossa Dr
San Ramon, CA 94582-4675
Registry dates
- Enumerated
- 2025-07-07
- Last updated
- 2025-07-07
- Certified
- 2025-07-06
Frequently asked questions
- What is Joy Woon-Chin's NPI number?
- Joy Woon-Chin's National Provider Identifier (NPI) is 1356231054, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joy Woon-Chin's specialty?
- Joy Woon-Chin is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Joy Woon-Chin located?
- Joy Woon-Chin's practice location on file with NPPES is 1820 Barossa Dr, San Ramon, CA 94582-4675.
- What is Joy Woon-Chin's phone number?
- The practice phone number listed in the NPPES registry for Joy Woon-Chin is (925) 785-9423.
- Is Joy Woon-Chin's NPI active?
- Yes — Joy Woon-Chin's NPI (1356231054) is active in the NPPES registry as of the last update on 2025-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.