NPPES file of Aug 9, 2026

Lyon Wang, MD

Internal Medicine Physician · Chicago, IL

Lyon Wang, MD is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1790365559, issued on Apr 14, 2021. Check the license (Illinois 125.078878, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1790365559
Name
Lyon Wang
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
125.078878 IL
1790365559 IL
Self-reported in NPPES; status is on the state search
Practice location
1725 W Harrison St Ste 970, Chicago, IL 60612
Phone
(312) 563-3447
Enumerated
Apr 14, 2021
Record last updated
Jun 28, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20240801001405); accepts Medicare assignment
Medical or professional school
Ohio State University College Of Medicine, 2021
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1725 W Harrison St Ste 970

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sarah Adelstein, MDUrogynecology and Reconstructive Pelvic Surgery (Urology) Physician1356667224
  2. Sarah Armitage, MDUrology Physician1043681992
  3. Francis Lawrence CocjinCritical Care Medicine (Internal Medicine) Physician1518596337
  4. Shane Davis, MDUrology Physician1619710670
  5. Ithaar Derweesh, MDUrology Physician1003873720
  6. Oren Feldman-SchultzUrology Physician1154053718

Verify Lyon Wang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 125.078878
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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96% fewer Medicare Part D claims than the average internal medicine physician in 2024

130 Medicare Part D claims for 38 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Lyon Wang130
  2. Specialty average3,176

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

  1. Rush University Medical GroupChicago, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Lyon Wang among 7,238 internal medicine physician records in Illinois

Lyon 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 2021, is newer than 74% of them.

  • NPI issued2021 · 74% of these records are older, 22% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2021 · median 2003 among the 3,580 with a school on file
  • Record last updated2021 · 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.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Keith Boyd, M.D.Chicago, IL 606121174591978
  2. Lewis Coulson, M.D.Chicago, IL 606121619944931
  3. Henry Danko, M.D.Chicago, IL 606121780659524
  4. Denis Evans, M.D.Chicago, IL 606121952385841
  5. Tabassum Faruqi, M.D.Chicago, IL 606121013968536
  6. David Goldberg, MDChicago, IL 606121275588444
  7. Ionut Ilie, M.D.Chicago, IL 606121619926383
  8. Padma Kudaravalli, M.D.Chicago, IL 606121427004514

Common questions

What is Lyon Wang, MD's NPI number?

Lyon Wang, MD's National Provider Identifier (NPI) is 1790365559, issued on Apr 14, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Lyon Wang, MD located?

The NPPES record lists a practice address at 1725 W Harrison St Ste 970, Chicago, IL, 60612. Phone: (312) 563-3447. Providers update this record themselves, so call before visiting.

How can I verify Lyon Wang, MD's license?

NPPES lists Illinois license number 125.078878, 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 Lyon Wang, MD prescribe under Medicare Part D?

In 2024, Lyon Wang, MD had 130 Medicare Part D claims for 38 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.