Lawrence Kai Yiu Chau, DO
Hospitalist Physician · Anaheim, CA
Lawrence Kai Yiu Chau, DO is a hospitalist physician with a practice address in Anaheim, California, and NPI 1396221438, issued on Jul 12, 2018. Check the license (California 20A17369, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lawrence Kai Yiu Chau
- Credential
- DO
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 20A17369 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1211 W LA Palma Ave Ste 404, Anaheim, CA 92801
- Phone
- (714) 772-8282
- Enumerated
- Jul 12, 2018
- Record last updated
- Mar 1, 2022
- Fax
- (714) 772-6493
- Medicare enrollment
- Enrolled (PECOS I20201001000170); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 1211 W LA Palma Ave Ste 404
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Marilyn Deridder, APRNAcute Care Nurse Practitioner1548748858
- Tal Do, MDInternal Medicine Physician1093275331
Verify Lawrence Kai Yiu Chau in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A17369Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% more Medicare Part D claims than the average hospitalist physician in 2024
663 Medicare Part D claims for 156 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Levothyroxine Sodium40 claims
- Furosemide38 claims
- Pantoprazole Sodium30 claims
- Potassium Chloride24 claims
- Amlodipine Besylate21 claims
- Levofloxacin20 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Chest And Critical Care Consultants A Medical GroupTustin, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lawrence Kai Yiu Chau among 3,099 hospitalist physician records in California
Lawrence Kai Yiu Chau, DO is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 77% of them.
- NPI issued2018 · 77% of these records are older, 19% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2017 · median 2010 among the 2,505 with a school on file
- Record last updated2022 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in California
There are 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in Anaheim → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Regina Cuenca, D.O.Anaheim, CA 928011598863540
- Nguyen Dang, M.D.Anaheim, CA 928011679671622
- Mohammad Farukhi, M.D.Anaheim, CA 928011578791661
- Jaya George, M.D,Anaheim, CA 928011568664977
- Yasmine Kamel, MDAnaheim, CA 928011891215570
- Clifford Liu, M.D.Anaheim, CA 928011831299528
- Ashley Mires, M.D.Anaheim, CA 928011003916792
- Benjamin Chou, M.D.Anaheim, CA 928041487001590
Common questions
What is Lawrence Kai Yiu Chau, DO's NPI number?
Lawrence Kai Yiu Chau, DO's National Provider Identifier (NPI) is 1396221438, issued on Jul 12, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Lawrence Kai Yiu Chau, DO located?
The NPPES record lists a practice address at 1211 W LA Palma Ave Ste 404, Anaheim, CA, 92801. Phone: (714) 772-8282. Providers update this record themselves, so call before visiting.
How can I verify Lawrence Kai Yiu Chau, DO's license?
NPPES lists California license number 20A17369, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Lawrence Kai Yiu Chau, DO prescribe under Medicare Part D?
In 2024, Lawrence Kai Yiu Chau, DO had 663 Medicare Part D claims for 156 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.