Weiyi Tang, MD
Internal Medicine Physician · Marion, IL
Weiyi Tang, MD is an internal medicine physician with a practice address in Marion, Illinois, and NPI 1255307971, issued on Feb 23, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Weiyi Tang
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A73375 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2401 W Main St, Marion, IL 62959
- Phone
- (618) 997-5311
- Enumerated
- Feb 23, 2006
- Record last updated
- Jul 13, 2026
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 2401 W Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shawna Adams, NPFamily Nurse Practitioner1770242109
- Deborah Alcorn, LCSWClinical Social Worker1447448220
- Shabia Alimohamed-Janmohamed, PH.DPsychologist1922302488
- Barbara AlvisOther Technician1780383349
- Ashley Amberger, LCSWClinical Social Worker1912605684
- Lanita AmesRegistered Nurse1326734823
Verify Weiyi Tang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck 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 internal medicine physician in 2024
71 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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: $125.00
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.
Weiyi Tang among 7,238 internal medicine physician records in Illinois
Weiyi Tang, 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 61% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2026 · 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).
17 internal medicine physician records list a practice address in Marion
They are 17 of the 1,171 NPPES records with a practice address in Marion, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Marion → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Kirun Ahmad, D.O.Marion, IL 629591992966873
- Kevin Chen, MDMarion, IL 629591740291780
- Ramesh GuthikondaMarion, IL 629591508197997
- Joseph Herman, MDMarion, IL 629591225066186
- Michael Lawler, MDMarion, IL 629591629203708
- Colleen Lawler-Bjornberg, MDMarion, IL 629591750370243
- Herman Lyle, M.D.Marion, IL 629591275530230
- Silpa Maddala, M.DMarion, IL 629591982917373
Common questions
What is Weiyi Tang, MD's NPI number?
Weiyi Tang, MD's National Provider Identifier (NPI) is 1255307971, issued on Feb 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Weiyi Tang, MD located?
The NPPES record lists a practice address at 2401 W Main St, Marion, IL, 62959. Phone: (618) 997-5311. Providers update this record themselves, so call before visiting.
How can I verify Weiyi Tang, MD's license?
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 Weiyi Tang, MD prescribe under Medicare Part D?
In 2024, Weiyi Tang, MD had 71 Medicare Part D claims; 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.