David Si-Chuen Lau
Adult Medicine Physician · Long Beach, CA
David Si-Chuen Lau is an adult medicine physician with a practice address in Long Beach, California, and NPI 1205281870, issued on May 2, 2016. Check the license (California A154083, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David Si-Chuen Lau
- Primary taxonomy
- Adult Medicine Physician 207QA0505X
- License number
- A154083 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3900 E Pacific Coast Hwy, Long Beach, CA 90804
- Phone
- (833) 574-2273
- Enumerated
- May 2, 2016
- Record last updated
- Mar 30, 2022
- Medicare enrollment
- Enrolled (PECOS I20190710001105); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 2016
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest adult medicine physician records → All 386 in California → Look up another NPI →
Also registered at 3900 E Pacific Coast Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David Si-Chuen Lau in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A154083Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average adult medicine physician in 2024
2,674 Medicare Part D claims for 359 beneficiaries, against an average of 3,002 among the 1,307 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 96 claims were for opioids.
Most prescribed
- Atorvastatin Calcium246 claims
- Rosuvastatin Calcium132 claims
- Losartan Potassium115 claims
- Amlodipine Besylate103 claims
- Lisinopril93 claims
- Levothyroxine Sodium85 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
- Southern California Permanente Medical GroupHarbor City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Si-Chuen Lau among 386 adult medicine physician records in California
David Si-Chuen Lau is one of 386 adult medicine physician records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 73% of them.
- NPI issued2016 · 73% of these records are older, 25% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated2016 · median 2005 among the 187 with a school on file
- Record last updated2022 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QA0505X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Medicine Physician providers in California
There are 386 adult medicine physician records in California.
All 386 in California → Every provider in Long Beach → Adult Medicine Physician nationwide →
The 8 adult medicine physician records with the nearest ZIP codes
- Eing-Min Chang, M.D.Long Beach, CA 908061447356621
- Mark Dressner, M.D.Long Beach, CA 908061306942073
- Abigail Fletcher, M.D.Long Beach, CA 908061700982493
- Matthew Long, D.O.Long Beach, CA 908061851406243
- Jeffrey Luther, M.D.Long Beach, CA 908061750487591
- Brian Kawasaki, M.D.Long Beach, CA 908131982969838
- Tammy Miller, M.D.Long Beach, CA 908131447445218
- Yogina Desai, M.D.Carson, CA 907451790043545
Common questions
What is David Si-Chuen Lau's NPI number?
David Si-Chuen Lau's National Provider Identifier (NPI) is 1205281870, issued on May 2, 2016. An NPI identifies a provider in billing; it is not a license.
Where is David Si-Chuen Lau located?
The NPPES record lists a practice address at 3900 E Pacific Coast Hwy, Long Beach, CA, 90804. Phone: (833) 574-2273. Providers update this record themselves, so call before visiting.
How can I verify David Si-Chuen Lau's license?
NPPES lists California license number A154083, 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 David Si-Chuen Lau prescribe under Medicare Part D?
In 2024, David Si-Chuen Lau had 2,674 Medicare Part D claims for 359 beneficiaries; the average among adult medicine physician prescribers was 3,002. 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.