NPPES file of Aug 9, 2026

Byung Hun Hyun, MD

Hospitalist Physician · Evanston, IL

Byung Hun Hyun, MD is a hospitalist physician with a practice address in Evanston, Illinois, and NPI 1194344382, issued on Apr 9, 2020. Check the license (Illinois 036055974, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1194344382
Name
Byung Hun Hyun
Credential
MD
Primary taxonomy
Hospitalist Physician 208M00000X
License numbers
036055974 IL
036166086 IL
Self-reported in NPPES; status is on the state search
Practice location
2650 Ridge Ave, Evanston, IL 60201
Phone
(847) 570-1010
Enumerated
Apr 9, 2020
Record last updated
Jul 20, 2026
Medicare enrollment
Enrolled (PECOS I20230808003184); accepts Medicare assignment
Medical or professional school
Loyola University Of Chicago, Stritch School Of Medicine, 2020
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.
Download card Updates feed

Also registered at 2650 Ridge Ave

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

  1. Eman Abdel-Latief, M.D.Hospitalist Physician1508229949
  2. Helane Abramowitz, LCSWClinical Social Worker1376600684
  3. Kyle Ackerman, MDEmergency Medicine Physician1477170199
  4. Adrienne Adams, M.D.Child & Adolescent Psychiatry Physician1578661781
  5. Mary Adams, MDPediatrics Physician1134201205
  6. Isaac Agboola, MDEmergency Medicine Physician1073018289

Verify Byung Hun Hyun in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036055974
    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
Open 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

59% fewer Medicare Part D claims than the average hospitalist physician in 2024

215 Medicare Part D claims for 106 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Byung Hun Hyun215
  2. Specialty average521

Most prescribed

  1. Pantoprazole Sodium13 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.

The MIPS final score for 2023 (Medicare payment program): 93.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score80.8
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Endeavor Health Medical GroupEvanston, IL

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

Byung Hun Hyun among 1,535 hospitalist physician records in Illinois

Byung Hun Hyun, MD is one of 1,535 hospitalist physician records with a practice address in Illinois. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 79% of them.

  • NPI issued2020 · 79% of these records are older, 14% newer
  • In a Medicare fileYes · 92% of these records are
  • In the CMS Doctors and Clinicians fileYes · 87% of these records are
  • Graduated2020 · median 2013 among the 1,339 with a school on file
  • Record last updated2026 · 32% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

128 hospitalist physician records list a practice address in Evanston

They are 128 of the 4,013 NPPES records with a practice address in Evanston, and 1,535 hospitalist physician records in Illinois.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Michelle Aquino, D.O.Evanston, IL 602011851354484
  2. Julie Barton, M.D.Evanston, IL 602011245214386
  3. David De Leon, MDEvanston, IL 602011417022583
  4. Ayesha Fareeduddin, MDEvanston, IL 602011326072463
  5. Michael Huang, MDEvanston, IL 602011255350849
  6. Adela Kola, MDEvanston, IL 602011003888397
  7. Louise Matthews, M.D.Evanston, IL 602011538187687
  8. Paul Miller, M.D.Evanston, IL 602011356357792

Common questions

What is Byung Hun Hyun, MD's NPI number?

Byung Hun Hyun, MD's National Provider Identifier (NPI) is 1194344382, issued on Apr 9, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Byung Hun Hyun, MD located?

The NPPES record lists a practice address at 2650 Ridge Ave, Evanston, IL, 60201. Phone: (847) 570-1010. Providers update this record themselves, so call before visiting.

How can I verify Byung Hun Hyun, MD's license?

NPPES lists Illinois license number 036055974, 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 Byung Hun Hyun, MD prescribe under Medicare Part D?

In 2024, Byung Hun Hyun, MD had 215 Medicare Part D claims for 106 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.

What is Byung Hun Hyun, MD's MIPS final score?

The 2023 MIPS final score is 93.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.