James Tsau, DMD
NPI 1124134523 · Orthodontics and Dentofacial Orthopedics Dentistry · Redwood City, CA
James Tsau, DMD is a Orthodontics and Dentofacial Orthopedics Dentistry provider in Redwood City, CA (NPI 1124134523).
Provider details
- NPI number
- 1124134523
- Entity type
- Individual
- Primary specialty
- Orthodontics and Dentofacial Orthopedics DentistryDental Providers
- Credential
- DMD
- Sex
- Male
- Sole proprietor
- No
- License
- 50540 (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.
$123 across 3 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
- 2006-08-21
- Last updated
- 2007-07-08
Frequently asked questions
- What is James Tsau's NPI number?
- James Tsau's National Provider Identifier (NPI) is 1124134523, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Tsau's specialty?
- James Tsau is listed in the NPPES registry with a primary specialty of Orthodontics and Dentofacial Orthopedics Dentistry (Dental Providers).
- Where is James Tsau located?
- James Tsau's practice location on file with NPPES is 11 Birch St Ste 100, Redwood City, CA 94062-1480.
- What is James Tsau's phone number?
- The practice phone number listed in the NPPES registry for James Tsau is (650) 298-8400.
- Is James Tsau's NPI active?
- Yes — James Tsau's NPI (1124134523) 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.