Chai-Kiong Lau, M.D.
Internal Medicine Physician · Fremont, CA
Chai-Kiong Lau, M.D. is an internal medicine physician with a practice address in Fremont, California, and NPI 1912957309, issued on May 10, 2006. Check the license (California A53742, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Chai-Kiong Lau
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A53742 CA
Self-reported in NPPES; status is on the state search - Practice location
- 39271 Mission Blvd, Fremont, CA 94539
- Phone
- (510) 742-0568
- Enumerated
- May 10, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (510) 742-0596
- Medicare enrollment
- Enrolled (PECOS I20120323000606); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 39271 Mission Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jiin Lin, M.D.Internal Medicine Physician1306813183
Verify Chai-Kiong Lau in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A53742Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% more Medicare Part D claims than the average internal medicine physician in 2024
4,875 Medicare Part D claims for 378 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 19 claims were for opioids.
Most prescribed
- Atorvastatin Calcium555 claims
- Amlodipine Besylate402 claims
- Losartan Potassium354 claims
- Metformin Hcl232 claims
- Levothyroxine Sodium150 claims
- Rosuvastatin Calcium150 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.
The MIPS final score for 2023 (Medicare payment program): 26.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $14.53
1 payment: food and beverage; the largest payer was Amgen Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Chai-Kiong Lau among 17,696 internal medicine physician records in California
Chai-Kiong Lau, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1990 · median 2004 among the 11,065 with a school on file
- Record last updated2026 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
125 internal medicine physician records list a practice address in Fremont
They are 125 of the 4,749 NPPES records with a practice address in Fremont, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Fremont → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Magin Alexander, MDFremont, CA 945391144782673
- Ana Elisei, MDFremont, CA 945391508054479
- Pushpa Jagtiani, MD.Fremont, CA 945391811243892
- Mark Liang, M.D.Fremont, CA 945391578889416
- Jiin Lin, M.D.Fremont, CA 945391306813183
- Daniel Taylor, M.D.Fremont, CA 945391134201494
- Paul Aguilera, MDFremont, CA 945381023639804
- Garrett Chan, MDFremont, CA 945381629728449
Common questions
What is Chai-Kiong Lau, M.D.'s NPI number?
Chai-Kiong Lau, M.D.'s National Provider Identifier (NPI) is 1912957309, issued on May 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Chai-Kiong Lau, M.D. located?
The NPPES record lists a practice address at 39271 Mission Blvd, Fremont, CA, 94539. Phone: (510) 742-0568. Providers update this record themselves, so call before visiting.
How can I verify Chai-Kiong Lau, M.D.'s license?
NPPES lists California license number A53742, 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 Chai-Kiong Lau, M.D. prescribe under Medicare Part D?
In 2024, Chai-Kiong Lau, M.D. had 4,875 Medicare Part D claims for 378 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Chai-Kiong Lau, M.D.'s MIPS final score?
The 2023 MIPS final score is 26.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.