Cynthia Kit Yee Lau, M.D.
Gastroenterology Physician · Chicago, IL
Cynthia Kit Yee Lau, M.D. is a gastroenterology physician with a practice address in Chicago, Illinois, and NPI 1184882169, issued on May 27, 2008. Check the license (Illinois 036-115908, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Cynthia Kit Yee Lau
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 036-115908 IL
Self-reported in NPPES; status is on the state search - Practice location
- 9831 S Western Ave, Chicago, IL 60643
- Phone
- (773) 881-5604
- Enumerated
- May 27, 2008
- Record last updated
- Apr 8, 2026
- Medicare enrollment
- Enrolled (PECOS I20101025001390); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Kansas City, School Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 887 in Illinois → Look up another NPI →
Also registered at 9831 S Western Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Anthony, PAPhysician Assistant1518049220
- Evelyn Bell, M.D.Family Medicine Physician1063526242
- Mylaun Blackwell, MDInternal Medicine Physician1841993102
- Richard Bone, M.D.Gastroenterology Physician1407887938
- Patrice Burch, MDFamily Medicine Physician1679508071
- Patricia Burke, M.D.Geriatric Medicine (Internal Medicine) Physician1518042787
Verify Cynthia Kit Yee Lau in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-115908Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% more Medicare Part D claims than the average gastroenterology physician in 2024
1,327 Medicare Part D claims for 609 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.
Most prescribed
- Peg 3350-Electrolyte254 claims
- Pantoprazole Sodium116 claims
- Omeprazole105 claims
- Sod Sulf-Potass Sulf-Mag Sulf86 claims
- Gavilyte-C78 claims
- Famotidine69 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.
Industry payments in 2024: $151.11
3 payments; by number, the most common kind was food and beverage; the largest payer was Madrigal Pharmaceuticals. The 13,350 providers of this specialty with any payment received $5,015.95 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.
Bills Medicare through one group practice
- Advocate Health And Hospitals CorporationSouth Holland, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cynthia Kit Yee Lau among 887 gastroenterology physician records in Illinois
Cynthia Kit Yee Lau, M.D. is one of 887 gastroenterology physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 55% of them.
- NPI issued2008 · 55% of these records are older, 39% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2003 · median 2003 among the 643 with a school on file
- Record last updated2026 · 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 207RG0100X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Illinois
There are 887 gastroenterology physician records in Illinois.
All 887 in Illinois → Every provider in Chicago → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Richard Bone, M.D.Chicago, IL 606431407887938
- Darrien Gaston, M.D.Chicago, IL 606431023234143
- Cynthia Henderson, M.D.Chicago, IL 606431336160076
- Robert Pintozzi, M.D.Chicago, IL 606431124038401
- Bhupat Mehta, MDChicago, IL 606441295717643
- Mervyn Weis, MDChicago, IL 606401043212954
- Saad Aziz, D.O.Chicago, IL 606471629259890
- Yolanda Lalyre-Rodriguez, M.D.Chicago, IL 606471063518488
Common questions
What is Cynthia Kit Yee Lau, M.D.'s NPI number?
Cynthia Kit Yee Lau, M.D.'s National Provider Identifier (NPI) is 1184882169, issued on May 27, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Cynthia Kit Yee Lau, M.D. located?
The NPPES record lists a practice address at 9831 S Western Ave, Chicago, IL, 60643. Phone: (773) 881-5604. Providers update this record themselves, so call before visiting.
How can I verify Cynthia Kit Yee Lau, M.D.'s license?
NPPES lists Illinois license number 036-115908, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Cynthia Kit Yee Lau, M.D. prescribe under Medicare Part D?
In 2024, Cynthia Kit Yee Lau, M.D. had 1,327 Medicare Part D claims for 609 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.