IndividualActive
Grace Tang, DDS
NPI 1801340112 · General Practice Dentistry · Castro Valley, CA
Grace Tang, DDS is a General Practice Dentistry provider in Castro Valley, CA (NPI 1801340112).
Provider details
- NPI number
- 1801340112
- Entity type
- Individual
- Primary specialty
- General Practice DentistryDental Providers
- Credential
- DDS
- Sex
- Female
- Sole proprietor
- No
- License
- 100644 (CA)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(81/100 index)
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
3 documented practice locations
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
20700 Lake Chabot Rd
Castro Valley, CA 94546-5401
Phone: (510) 581-8888
Street-level locationGet directions
Mailing address
807 Washington St
Daly City, CA 94015-2034
Additional practice locations (2)
- 3737 Lone Tree Way Ste FAntioch, CA 94509-6037Phone: (415) 385-8575
- 3737 Lone Tree Way Ste FAntioch, CA 94509-6037Phone: (415) 385-8575
Registry dates
- Enumerated
- 2016-08-04
- Last updated
- 2018-04-26
Frequently asked questions
- What is Grace Tang's NPI number?
- Grace Tang's National Provider Identifier (NPI) is 1801340112, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grace Tang's specialty?
- Grace Tang is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
- Where is Grace Tang located?
- Grace Tang's practice location on file with NPPES is 20700 Lake Chabot Rd, Castro Valley, CA 94546-5401.
- What is Grace Tang's phone number?
- The practice phone number listed in the NPPES registry for Grace Tang is (510) 581-8888.
- Is Grace Tang's NPI active?
- Yes — Grace Tang's NPI (1801340112) is active in the NPPES registry as of the last update on 2018-04-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.