NPPES file of Aug 9, 2026

Eunjin Chung, MD

Internal Medicine Physician · Iowa City, IA

Eunjin Chung, MD is an internal medicine physician with a practice address in Iowa City, Iowa, and NPI 1396907341, issued on Jul 1, 2008. Check the license (Iowa 39406, as entered in NPPES) on the Iowa Board of Medicine; 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
1396907341
Name
Eunjin Chung
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
39406 IA
R8461 IA
Self-reported in NPPES; status is on the state search
Practice location
200 Hawkins Dr, Iowa City, IA 52242
Phone
(319) 356-4019
Enumerated
Jul 1, 2008
Record last updated
May 25, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(319) 353-8073
Medicare enrollment
Enrolled (PECOS I20161005000632); accepts Medicare assignment
Medical or professional school
Medical College Of Wisconsin, 2008
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 200 Hawkins Dr

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

  1. Helena Aaberg, MDAnesthesiology Physician1689301558
  2. Abdullah Abbasi, MDGastroenterology Physician1932944204
  3. Mary Jo Abbott, RPHPharmacist1841325875
  4. Francois Abboud, MDCardiovascular Disease Physician1598753113
  5. Abdalla Abdalla, MBBCHAnatomic Pathology & Clinical Pathology Physician1518859826
  6. Sameh AbdallaAnatomic Pathology & Clinical Pathology Physician1437902160

Verify Eunjin Chung in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license 39406
    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 Iowa 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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90% fewer Medicare Part D claims than the average internal medicine physician in 2024

328 Medicare Part D claims for 116 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 14 claims were for opioids.

  1. Eunjin Chung328
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium29 claims
  2. Eliquis17 claims
  3. Pantoprazole Sodium16 claims
  4. Tamsulosin Hcl12 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): 92.3 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 score73.8
  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. The Emory Clinic IncAtlanta, GA

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

Eunjin Chung among 871 internal medicine physician records in Iowa

Eunjin Chung, MD is one of 871 internal medicine physician records with a practice address in Iowa. 70% 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 42% of them.

  • NPI issued2008 · 42% of these records are older, 56% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 44% of these records are
  • Graduated2008 · median 2008 among the 386 with a school on file
  • Record last updated2011 · 46% 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 Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

215 internal medicine physician records list a practice address in Iowa City

They are 215 of the 7,163 NPPES records with a practice address in Iowa City, and 871 internal medicine physician records in Iowa.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Thad Abrams, MDIowa City, IA 522421326022385
  2. Susan Beebout, MDIowa City, IA 522421790767127
  3. Christopher Goerdt, MDIowa City, IA 522421548258163
  4. William Haynes, MDIowa City, IA 522421083602601
  5. William Iverson, MDIowa City, IA 522421346238904
  6. Peter Kaboli, MDIowa City, IA 522421518949940
  7. David Katz, MDIowa City, IA 522421023090321
  8. Ann Machlab, MDIowa City, IA 522421780668004

Common questions

What is Eunjin Chung, MD's NPI number?

Eunjin Chung, MD's National Provider Identifier (NPI) is 1396907341, issued on Jul 1, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Eunjin Chung, MD located?

The NPPES record lists a practice address at 200 Hawkins Dr, Iowa City, IA, 52242. Phone: (319) 356-4019. Providers update this record themselves, so call before visiting.

How can I verify Eunjin Chung, MD's license?

NPPES lists Iowa license number 39406, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Eunjin Chung, MD prescribe under Medicare Part D?

In 2024, Eunjin Chung, MD had 328 Medicare Part D claims for 116 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Eunjin Chung, MD's MIPS final score?

The 2023 MIPS final score is 92.3 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.