Wenfei Wang, MD
Internal Medicine Physician · Chicago, IL
Wenfei Wang, MD is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1326578816, issued on Jun 15, 2017. Check the license (Illinois 125070629, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Wenfei Wang
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 125070629 IL
Self-reported in NPPES; status is on the state search - Practice location
- 5841 S Maryland Ave Ste MC7082, Chicago, IL 60637
- Phone
- (773) 795-0232
- Enumerated
- Jun 15, 2017
- Record last updated
- Jun 15, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (773) 702-2230
- Medicare enrollment
- Enrolled (PECOS I20230516001513); accepts Medicare assignment
- Medical or professional school
- University Of Toledo College Of Medicine, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 5841 S Maryland Ave Ste MC7082
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Anna Alicent AmankwahStudent in an Organized Health Care Education/Training Program1477357044
- Daniela Anderson, M.D.Internal Medicine Physician1083108971
- Amritpal Bahga, MDInternal Medicine Physician1255060737
Verify Wenfei 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 125070629Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average internal medicine physician in 2024
357 Medicare Part D claims for 156 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Omeprazole68 claims
- Dicyclomine Hcl46 claims
- Budesonide Dr26 claims
- Pantoprazole Sodium24 claims
- Famotidine20 claims
- Linzess16 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
- Mngi Digestive Health PAEagan, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wenfei Wang among 7,238 internal medicine physician records in Illinois
Wenfei Wang, MD is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 64% of them.
- NPI issued2017 · 64% of these records are older, 34% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2017 · median 2003 among the 3,580 with a school on file
- Record last updated2017 · 47% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,867 internal medicine physician records list a practice address in Chicago
They are 2,867 of the 63,379 NPPES records with a practice address in Chicago, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Chicago → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jennifer AngelesChicago, IL 606371114945276
- Sameer Badlani, MDChicago, IL 606371699795302
- Kristine Bordenave, M.D.Chicago, IL 606371811009368
- Andrew DavisChicago, IL 606371275642167
- Hatim HassanChicago, IL 606371417970385
- Keiki Hinami, M.D.Chicago, IL 606371437136785
- David Liebovitz, MDChicago, IL 606371972564748
- Thomas Mason, M.D.Chicago, IL 606371730114505
Common questions
What is Wenfei Wang, MD's NPI number?
Wenfei Wang, MD's National Provider Identifier (NPI) is 1326578816, issued on Jun 15, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Wenfei Wang, MD located?
The NPPES record lists a practice address at 5841 S Maryland Ave Ste MC7082, Chicago, IL, 60637. Phone: (773) 795-0232. Providers update this record themselves, so call before visiting.
How can I verify Wenfei Wang, MD's license?
NPPES lists Illinois license number 125070629, 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 Wenfei Wang, MD prescribe under Medicare Part D?
In 2024, Wenfei Wang, MD had 357 Medicare Part D claims for 156 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.