Yat Lau, MD
NPI 1235234279 · Radiation Oncology Physician · Sioux City, IA
Yat Lau, MD is a Radiation Oncology Physician provider in Sioux City, IA (NPI 1235234279).
Provider details
- NPI number
- 1235234279
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 36483 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
- 2006-09-14
- Last updated
- 2009-11-17
Frequently asked questions
- What is Yat Lau's NPI number?
- Yat Lau's National Provider Identifier (NPI) is 1235234279, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yat Lau's specialty?
- Yat Lau is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Yat Lau located?
- Yat Lau's practice location on file with NPPES is 230 Nebraska St, Sioux City, IA 51101-1733.
- What is Yat Lau's phone number?
- The practice phone number listed in the NPPES registry for Yat Lau is (712) 252-9390.
- Is Yat Lau's NPI active?
- Yes — Yat Lau's NPI (1235234279) is active in the NPPES registry as of the last update on 2009-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.