NPPES file of Aug 9, 2026

Daniel Eysu Yoon, M.D.

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

Daniel Eysu Yoon, M.D. is a student in an organized health care education/training program with a practice address in Chicago, Illinois, and NPI 1548427339, issued on May 20, 2008. Check the license (Illinois 125048387, as entered in NPPES) 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1548427339
Name
Daniel Eysu Yoon
Credential
M.D.
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
License number
125048387 IL
Self-reported in NPPES; status is on the state search
Practice location
1740 W Taylor St, Chicago, IL 60612
Phone
(866) 600-2273
Enumerated
May 20, 2008
Record last updated
Dec 22, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20091103000535); accepts Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2004
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 1740 W Taylor St

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

  1. Francisco AbancoCertified Registered Nurse Anesthetist1255844288
  2. Leena Abbas, MDStudent in an Organized Health Care Education/Training Program1679376594
  3. Herand AbcarianColon & Rectal Surgery Physician1881792372
  4. Ivy AbrahamHematology & Oncology Physician1497172845
  5. Rohit Abraham, MD, MPH, MATPsychiatry Physician1013478932
  6. Ereni Abuaita, DOInternal Medicine Physician1013710961

Verify Daniel Eysu Yoon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 125048387
    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
Find 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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Bills Medicare through one group practice

  1. Permanente Medical Group IncVallejo, CA

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

Daniel Eysu Yoon among 6,526 student in an organized health care education/training program records in Illinois

Daniel Eysu Yoon, M.D. 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 2008, is newer than under 1% of them.

  • NPI issued2008 · under 1% of these records are older, 99% newer
  • In a Medicare fileYes · 19% of these records are
  • In the CMS Doctors and Clinicians fileYes · 3% of these records are
  • Graduated2004 · median 2018 among the 190 with a school on file
  • Record last updated2021 · 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. Mani Batchu, D.O.Chicago, IL 606121619180544
  2. Alicia Chang Cojulun, MDChicago, IL 606121063605335
  3. Peter Chien, M.D.Chicago, IL 606121780884106
  4. Christa Favot, D.D.S.Chicago, IL 606121073711941
  5. Leonid FefermanChicago, IL 606121922210483
  6. Renu GuptaChicago, IL 606121598955452
  7. Christopher Heery, M.D.Chicago, IL 606121801001920
  8. Kimberly Ingalls, M.D.Chicago, IL 606121124249107

Common questions

What is Daniel Eysu Yoon, M.D.'s NPI number?

Daniel Eysu Yoon, M.D.'s National Provider Identifier (NPI) is 1548427339, issued on May 20, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Daniel Eysu Yoon, M.D. located?

The NPPES record lists a practice address at 1740 W Taylor St, Chicago, IL, 60612. Phone: (866) 600-2273. Providers update this record themselves, so call before visiting.

How can I verify Daniel Eysu Yoon, M.D.'s license?

NPPES lists Illinois license number 125048387, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity 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.