Lin-Lin Chen, MD
Emergency Medicine Physician · Chicago, IL
Lin-Lin Chen, MD is an emergency medicine physician with a practice address in Chicago, Illinois, and NPI 1609039536, issued on Jul 10, 2008. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Lin-Lin Chen
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A104581 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5841 S Maryland Ave, Chicago, IL 60637
- Phone
- (773) 702-1000
- Enumerated
- Jul 10, 2008
- Record last updated
- Dec 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,291 in Illinois → Look up another NPI →
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Verify Lin-Lin Chen 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
86% fewer Medicare Part D claims than the average emergency medicine physician in 2024
31 Medicare Part D claims for 23 beneficiaries, against an average of 226 among the 54,106 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.
Lin-Lin Chen among 3,291 emergency medicine physician records in Illinois
Lin-Lin Chen, MD is one of 3,291 emergency medicine physician records with a practice address in Illinois. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 39% of them.
- NPI issued2008 · 39% of these records are older, 56% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- 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 207P00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,310 emergency medicine physician records list a practice address in Chicago
They are 1,310 of the 63,379 NPPES records with a practice address in Chicago, and 3,291 emergency medicine physician records in Illinois.
All 3,291 in Illinois → Every provider in Chicago → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Christine BabcockChicago, IL 606371588870448
- David BeiserChicago, IL 606371801958350
- Ira BlumenChicago, IL 606371700948254
- Keme Carter, M.D.Chicago, IL 606371881625697
- Diane ChaneyChicago, IL 606371437211984
- Marina Del Rios, MD, MSChicago, IL 606371689615585
- Thomas Fisher, MD., M.P.HChicago, IL 606371275528499
- Cai GlushakChicago, IL 606371811050339
Common questions
What is Lin-Lin Chen, MD's NPI number?
Lin-Lin Chen, MD's National Provider Identifier (NPI) is 1609039536, issued on Jul 10, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Lin-Lin Chen, MD located?
The NPPES record lists a practice address at 5841 S Maryland Ave, Chicago, IL, 60637. Phone: (773) 702-1000. Providers update this record themselves, so call before visiting.
How can I verify Lin-Lin Chen, 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 Lin-Lin Chen, MD prescribe under Medicare Part D?
In 2024, Lin-Lin Chen, MD had 31 Medicare Part D claims for 23 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.