William Kwok Kuen Wan, M.D.
General Practice Physician · Chicago, IL
William Kwok Kuen Wan, M.D. is a general practice physician with a practice address in Chicago, Illinois, and NPI 1003043274, issued on Jun 16, 2009. Check the license (Illinois 036.055709, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- William Kwok Kuen Wan
- Credential
- M.D.
- Primary taxonomy
- General Practice Physician 208D00000X
- License numbers
- 036.055709 IL
19.15068 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2262 S. Wentworth Ave, Chicago, IL 60616
- Phone
- (312) 791-1013
- Enumerated
- Jun 16, 2009
- Record last updated
- Jun 16, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (312) 791-1444
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 291 in Illinois → Look up another NPI →
Verify William Kwok Kuen Wan 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 036.055709Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average general practice physician in 2024
73 Medicare Part D claims for 36 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Clindamycin Hcl31 claims
- Chlorhexidine Gluconate26 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.
William Kwok Kuen Wan among 291 general practice physician records in Illinois
William Kwok Kuen Wan, M.D. is one of 291 general practice physician records with a practice address in Illinois. 42% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 61% of them.
- NPI issued2009 · 61% of these records are older, 37% newer
- In a Medicare fileYes · 42% of these records are
- In the CMS Doctors and Clinicians fileNo · 18% of these records are
- Record last updated2009 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in Illinois
There are 291 general practice physician records in Illinois.
All 291 in Illinois → Every provider in Chicago → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Sanjida Mirza, MDChicago, IL 606161174564199
- Alejandria Sanpablo, MDChicago, IL 606161851504559
- Charles Williams, DDSChicago, IL 606161063615441
- Marie Kernizan, M.D.Chicago, IL 606171326238585
- Charles Parrish, MDChicago, IL 606171982655437
- Jung Shong Wang, MDChicago, IL 606171174602403
- David De Jong, M.D.Chicago, IL 606141215482567
- Lindsay Feder, PAChicago, IL 606141205756087
Common questions
What is William Kwok Kuen Wan, M.D.'s NPI number?
William Kwok Kuen Wan, M.D.'s National Provider Identifier (NPI) is 1003043274, issued on Jun 16, 2009. An NPI identifies a provider in billing; it is not a license.
Where is William Kwok Kuen Wan, M.D. located?
The NPPES record lists a practice address at 2262 S. Wentworth Ave, Chicago, IL, 60616. Phone: (312) 791-1013. Providers update this record themselves, so call before visiting.
How can I verify William Kwok Kuen Wan, M.D.'s license?
NPPES lists Illinois license number 036.055709, 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 William Kwok Kuen Wan, M.D. prescribe under Medicare Part D?
In 2024, William Kwok Kuen Wan, M.D. had 73 Medicare Part D claims for 36 beneficiaries; the average among general practice physician prescribers was 3,030. 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.