Mark Chen, MD
Diagnostic Radiology Physician · Chicago, IL
Mark Chen, MD is a diagnostic radiology physician with a practice address in Chicago, Illinois, and NPI 1205579505, issued on Apr 15, 2022. Check the license (Illinois 125.081199, 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
- Mark Chen
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 125.081199 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1725 W Harrison St Ste 437, Chicago, IL 60612
- Phone
- (312) 942-5509
- Enumerated
- Apr 15, 2022
- Record last updated
- May 21, 2023
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 1,874 in Illinois → Look up another NPI →
Also registered at 1725 W Harrison St Ste 437
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark Chen 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 125.081199Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mark Chen among 1,874 diagnostic radiology physician records in Illinois
Mark Chen, MD is one of 1,874 diagnostic radiology physician records with a practice address in Illinois. 71% 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 2022, is newer than 92% of them.
- NPI issued2022 · 92% of these records are older, 6% newer
- In a Medicare fileNo · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2023 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in Illinois
There are 1,874 diagnostic radiology physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,874 in Illinois → Every provider in Chicago → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Davide Bova, MDChicago, IL 606121346227212
- Michael Bresler, M.D.Chicago, IL 606121629023700
- James Bui, M.D.Chicago, IL 606121982652335
- Meri Chen, M.D.Chicago, IL 606121053369124
- Nestor Cuasay, MDChicago, IL 606121467450882
- Patrick Dunne, M.D.Chicago, IL 606121720027758
- Paul Erickson, M.D.Chicago, IL 606121720025422
- John Hibbeln, M.D.Chicago, IL 606121093773962
Common questions
What is Mark Chen, MD's NPI number?
Mark Chen, MD's National Provider Identifier (NPI) is 1205579505, issued on Apr 15, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Mark Chen, MD located?
The NPPES record lists a practice address at 1725 W Harrison St Ste 437, Chicago, IL, 60612. Phone: (312) 942-5509. Providers update this record themselves, so call before visiting.
How can I verify Mark Chen, MD's license?
NPPES lists Illinois license number 125.081199, 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.