Yong Chul Chun, MD
Internal Medicine Physician · Chicago, IL
Yong Chul Chun, MD is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1417968132, issued on Aug 10, 2006. Check the license (Illinois 036-053060, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Yong Chul Chun
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036-053060 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3755 W Lawrence Ave, Chicago, IL 60625
- Phone
- (773) 539-5333
- Enumerated
- Aug 10, 2006
- Record last updated
- Oct 27, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (773) 539-0251
- Medicaid ID
- 036053060 IL
- Medicare enrollment
- Enrolled (PECOS I20101004000250); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Verify Yong Chul Chun 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 036-053060Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.4 times the Medicare Part D claims of the average internal medicine physician in 2024
20,319 Medicare Part D claims for 426 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 191 claims were for opioids.
Most prescribed
- Amlodipine Besylate1,252 claims
- Atorvastatin Calcium1,052 claims
- Losartan Potassium860 claims
- Omeprazole826 claims
- Simvastatin784 claims
- Donepezil Hcl780 claims
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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Yong Chul Chun among 7,238 internal medicine physician records in Illinois
Yong Chul Chun, 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 61% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1971 · median 2003 among the 3,580 with a school on file
- Record last updated2012 · 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.
All 7,238 in Illinois → Every provider in Chicago → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Basheeruddin Farooki, MDChicago, IL 606251720038979
- Demetrios Giokaris, MDChicago, IL 606251871501825
- Brijmohan Malani, M.D.Chicago, IL 606251588633192
- Stephen Miff, MDChicago, IL 606251366435901
- Jeffrey Olson, M.D,Chicago, IL 606251952374795
Common questions
What is Yong Chul Chun, MD's NPI number?
Yong Chul Chun, MD's National Provider Identifier (NPI) is 1417968132, issued on Aug 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Yong Chul Chun, MD located?
The NPPES record lists a practice address at 3755 W Lawrence Ave, Chicago, IL, 60625. Phone: (773) 539-5333. Providers update this record themselves, so call before visiting.
How can I verify Yong Chul Chun, MD's license?
NPPES lists Illinois license number 036-053060, 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 Yong Chul Chun, MD prescribe under Medicare Part D?
In 2024, Yong Chul Chun, MD had 20,319 Medicare Part D claims for 426 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Yong Chul Chun, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.