Hsiu-Chin Tsai, D.D.S.
NPI 1679691984 · Prosthodontics · Diamond Bar, CA
Hsiu-Chin Tsai, D.D.S. is a Prosthodontics provider in Diamond Bar, CA (NPI 1679691984).
Provider details
- NPI number
- 1679691984
- Entity type
- Individual
- Primary specialty
- ProsthodonticsDental Providers
- Credential
- D.D.S.
- Sex
- Female
- Sole proprietor
- No
- License
- 43503 (CA)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$20 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-26
- Last updated
- 2007-07-08
Frequently asked questions
- What is Hsiu-Chin Tsai's NPI number?
- Hsiu-Chin Tsai's National Provider Identifier (NPI) is 1679691984, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hsiu-Chin Tsai's specialty?
- Hsiu-Chin Tsai is listed in the NPPES registry with a primary specialty of Prosthodontics (Dental Providers).
- Where is Hsiu-Chin Tsai located?
- Hsiu-Chin Tsai's practice location on file with NPPES is 824 N Diamond Bar Blvd, Diamond Bar, CA 91765-1039.
- What is Hsiu-Chin Tsai's phone number?
- The practice phone number listed in the NPPES registry for Hsiu-Chin Tsai is (909) 612-4666.
- Is Hsiu-Chin Tsai's NPI active?
- Yes — Hsiu-Chin Tsai's NPI (1679691984) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.