NPPES file of Aug 9, 2026

Lynn Yi Ren

Student in an Organized Health Care Education/Training Program · Chicago, IL

Lynn Yi Ren is a student in an organized health care education/training program with a practice address in Chicago, Illinois, and NPI 1639544000, issued on Dec 9, 2015. Check the license with the Illinois board that licenses this profession; 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
1639544000
Name
Lynn Yi Ren
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
Practice location
240 E Huron St, Chicago, IL 60611
Phone
(312) 503-7975
Enumerated
Dec 9, 2015
Record last updated
Dec 9, 2015 (not updated in 11 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 240 E Huron St

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

  1. Zachary AbecassisStudent in an Organized Health Care Education/Training Program1972968147
  2. Akash Adhia, MDSurgery Physician1639626138
  3. Raveena AggarwalStudent in an Organized Health Care Education/Training Program1730735085
  4. Madeleine Alder, MDCardiovascular Disease Physician1992170526
  5. Russell AvellanaPhysician Assistant1417343278
  6. Jonathan Bacos, STUDENTStudent in an Organized Health Care Education/Training Program1265987440

Verify Lynn Yi Ren in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck 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
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90% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024

18 Medicare Part D claims, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D.

  1. Lynn Ren18
  2. Specialty average185

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.

Lynn Yi Ren among 6,526 student in an organized health care education/training program records in Illinois

Lynn Yi Ren is one of 6,526 student in an organized health care education/training program records with a practice address in Illinois. 19% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 5% of them.

  • NPI issued2015 · 5% of these records are older, 93% newer
  • In a Medicare fileYes · 19% of these records are
  • In the CMS Doctors and Clinicians fileNo · 3% of these records are
  • Record last updated2015 · 22% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

3,509 student in an organized health care education/training program records list a practice address in Chicago

They are 3,509 of the 63,379 NPPES records with a practice address in Chicago, and 6,526 student in an organized health care education/training program records in Illinois.

The 8 student in an organized health care education/training program records with the nearest ZIP codes

  1. Abdullah AlmaghrabyChicago, IL 606111316352701
  2. Jennifer BestChicago, IL 606111629495643
  3. Clifford BielinskiChicago, IL 606111821415365
  4. Avner Dayan, MDChicago, IL 606111306171368
  5. Stephane Doucet, M.D.Chicago, IL 606111326300815
  6. Laurence Ducharme-CrevierChicago, IL 606111346655487
  7. William Kent, MD, MSCChicago, IL 606111881944494
  8. Margeaux Le, M.D.Chicago, IL 606111437419777

Common questions

What is Lynn Yi Ren's NPI number?

Lynn Yi Ren's National Provider Identifier (NPI) is 1639544000, issued on Dec 9, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Lynn Yi Ren located?

The NPPES record lists a practice address at 240 E Huron St, Chicago, IL, 60611. Phone: (312) 503-7975. Providers update this record themselves, so call before visiting.

How can I verify Lynn Yi Ren's license?

Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Lynn Yi Ren prescribe under Medicare Part D?

In 2024, Lynn Yi Ren had 18 Medicare Part D claims; the average among student in an organized health care education/training program prescribers was 185. 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.