Catherine Wang, MD
Gastroenterology Physician · Chicago, IL
Catherine Wang, MD is a gastroenterology physician with a practice address in Chicago, Illinois, and NPI 1891321741, issued on Mar 22, 2020. Check the license (Illinois 036164017, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Catherine Wang
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 036164017 IL
Self-reported in NPPES; status is on the state search - Practice location
- 5140 N California Ave Ste 545, Chicago, IL 60625
- Phone
- (773) 907-3038
- Enumerated
- Mar 22, 2020
- Record last updated
- Jun 16, 2026
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 887 in Illinois → Look up another NPI →
Also registered at 5140 N California Ave Ste 545
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maria Cardenas, MDEndocrinology, Diabetes & Metabolism Physician1154408375
- Nolan Faust, MDGastroenterology Physician1124511555
Verify Catherine Wang 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 036164017Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Catherine Wang among 887 gastroenterology physician records in Illinois
Catherine Wang, MD 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 not. Its NPI, issued in 2020, is newer than 93% of them.
- NPI issued2020 · 93% of these records are older, 5% newer
- In a Medicare fileNo · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 72% of these records are
- 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 887 in Illinois → Every provider in Chicago → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Nolan Faust, MDChicago, IL 606251124511555
- Aava Khatiwada, MDChicago, IL 606251073033353
- Anthony Merza, M.D.Chicago, IL 606251780709337
- Sriya Muralidharan, MDChicago, IL 606251174085179
- Albert Saporta, MD.Chicago, IL 606251548341290
- John Venetos, M.D.Chicago, IL 606251952324584
- Eduardo Villa, MDChicago, IL 606251447347802
- Samuel Castillo, M.D.Chicago, IL 606221467503672
Common questions
What is Catherine Wang, MD's NPI number?
Catherine Wang, MD's National Provider Identifier (NPI) is 1891321741, issued on Mar 22, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Wang, MD located?
The NPPES record lists a practice address at 5140 N California Ave Ste 545, Chicago, IL, 60625. Phone: (773) 907-3038. Providers update this record themselves, so call before visiting.
How can I verify Catherine Wang, MD's license?
NPPES lists Illinois license number 036164017, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.