Hepatology
Dr. Yun Ju Kim, MD
- Medicare services, 2024
- 263
- Medicare patients, 2024
- 196
- Part D claims, 2024
- 316
- Publications
- 4
- Hospital affiliations
- 2
- Practice address
- 2011 York Rd, Oak Brook, IL 60523
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Diag Svcs-Mam Oak Brook-Clinic - HOPD
Acute Care Hospital outpatient department · Oak Brook, Illinois
Find Dr. Kim's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Yun Ju Kim is a gastroenterologist in Oak Brook, Illinois
Dr. Kim practices at Diag Svcs-Mam Oak Brook-Clinic - HOPD in Oak Brook, Illinois.
Dr. Kim's NPI, 1841524683, was assigned on September 27, 2009. Dr. Kim graduated from Chung-Ang University College of Medicine in 2005. Dr. Kim's Indiana license number on file is 01079054A.
- NPI
- 1841524683NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9234496704
- NPI enumeration date
- September 27, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Yun Ju Kim practices at Diag Svcs-Mam Oak Brook-Clinic - HOPD in Oak Brook, Illinois
Dr. Kim's primary practice is Diag Svcs-Mam Oak Brook-Clinic - HOPD, at 2011 York Rd, Oak Brook, IL 60523.
- Diag Svcs-Mam Oak Brook-Clinic - HOPD2011 York Rd, Oak Brook, IL 60523
Source: Dmand AI Affiliation Data
Dr. Yun Ju Kim is affiliated with 5 sites of care and 1 medical group
Dr. Kim's primary practice is Diag Svcs-Mam Oak Brook-Clinic - HOPD in Oak Brook, Illinois. Dr. Kim is also affiliated with Rush University Medical Center. The medical group on file is Rush University Internists. Dmand AI also links Dr. Kim to 1 more hospital, 1 group practice or clinic and 1 ambulatory surgery center, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Yun Ju Kim's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kim practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Diag Svcs-Mam Oak Brook-Clinic - HOPD | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Yun Ju Kim is one of 771 gastroenterologists in Illinois
Gastroenterology is Dr. Kim's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Kim is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Kim's licenses on file in 4 states: Indiana, Illinois, New York and Maryland.
Specialties and state licenses
- Gastroenterology, IndianaPrimary
- Illinois license
- New York license
- Maryland license
Clinical focus
Dmand AI lists acid reflux, colonoscopy, gastroenteritis, gastrointestinal bleeding, hemorrhoids, intestinal or bowel obstruction, irritable bowel syndrome (IBS) and peptic ulcer among the conditions Dr. Kim treats.
Gastroenterologists near Dr. Kim
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Yun Ju Kim billed Medicare for 263 services in 2024
CMS data shows 263 Medicare services from Dr. Kim across 6 procedure codes in 2024, for 196 Medicare patients. Medicare paid $26,944 for them.
Dr. Kim's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3512024: 18248%
- Surgery
- 2023: 1542024: 8147%
- Other services
- 2023: 372024: 0100%
Where Dr. Kim's Medicare services took place, 2024
- In an office18269%
- In a facility8131%
Dr. Kim compared with the Illinois median for gastroenterologists, 2024
- Dr. Kim
- Illinois median
- Medicare services
- 263vs 49847% below
- Medicare patients
- 196vs 30736% below
- Part D claims
- 214vs 37042% below
Medians across 757 gastroenterologists in Illinois with Dmand AI profiles that report each measure.
Dr. Kim's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Yun Ju Kim treated 196 Medicare patients in 2024, average age 73
CMS counts 196 Medicare patients who saw Dr. Kim in 2024. The largest group is 65 to 74, with 98 patients. 74% of them have high cholesterol, and 70% have high blood pressure. 17% are also on Medicaid. Their average risk score is 1.16, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Kim's median patient age at 56, with 62% women.
Dr. Kim's Medicare patients by age, 2024
Dr. Kim's Medicare patients by sex, 2024
- Women13669%
- Men6031%
Chronic conditions among Dr. Kim's Medicare patients, 2024
- High cholesterol74%
- High blood pressure70%
- Arthritis52%
- Ischemic heart disease36%
- Diabetes29%
- Chronic kidney disease25%
- Anxiety24%
- Mood disorders24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kim's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women62%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Yun Ju Kim wrote 316 Medicare Part D claims in 2024
In 2024, Dr. Kim wrote 316 Medicare Part D claims for 204 patients. 78% of them were for generic drugs. CMS names the drug for 214 of them, across 6 drugs with 11 or more claims each, at $4,647 in total drug cost. In 2023, CMS named 334 claims across 9 drugs.
Dr. Kim's Part D claims by kind of drug, 2024
- Generic248 claims78%
- Brand-name68 claims22%
Dr. Kim's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3342024: 21436%
Drugs named by CMS: 6 in 2024, 9 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Yun Ju Kim ranks in the 81st percentile for colonoscopy in Medicare
Dr. Kim accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Kim as offering telehealth. CMS counts 107 procedures of colonoscopy by Dr. Kim, more than 81% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Kim ranks in Medicare procedure volume
- Colonoscopy
- 81st percentile107 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 66th percentile57 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Yun Ju Kim has 4 publications on record
Dmand AI links 4 papers to Dr. Kim, published from 2011 to 2019. Dr. Kim's most frequent co-authors are Rohan D. Bhansali, MD, Naveen Gara, MD and David Erwin Kleiner, MD, PhD.
Dr. Kim's papers by year, 2011 to 2019
Dr. Kim's most frequent co-authors
- Rohan D. Bhansali, MD1 shared paper
- Naveen Gara, MD1 shared paper
- David Erwin Kleiner, MD, PhD1 shared paper
Recent publications by Dr. Kim
Gastroenterology
See who Dr. Kim researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kim works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Yun Ju Kim received $337 in industry payments from 2019 to 2020
CMS Open Payments shows 17 general payments to Dr. Kim from 9 drug and device companies from 2019 to 2020. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $88.
General payments to Dr. Kim by program year, 2019 to 2020
Companies that paid Dr. Kim the most, 2019 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Yun Ju Kim has 3 awards and honors on record
Dmand AI lists 3 awards for Dr. Kim, most recently Award of Excellence based on academic achievement in 2005.
Awards and honors for Dr. Kim
- 2005
- Award of Excellence based on academic achievement
- Chung-Ang University Valedictorian
- Dean's list
Source: Dmand AI Professional Profile Data
Dr. Yun Ju Kim graduated from Chung-Ang University College of Medicine
Dr. Kim graduated from Chung-Ang University College of Medicine in 2005.
- Medical school
- Board certified in gastroenterology
Source: Dmand AI Professional Profile Data
Dr. Yun Ju Kim accepts plans from 17 insurance carriers
Dr. Kim is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Cigna. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Cigna
- Elevance
- HCSC
- United Healthcare
- Humana
- Aspirus Health Plan
- +9 more carriersWith a free account
Plan types Dr. Kim accepts, by number of carriers
- PPO12
- HMO9
- Medicare9
- POS7
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Yun Ju Kim's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Yun Ju Kim
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Yun Ju Kim's NPI number?
Dr. Yun Ju Kim's NPI number is 1841524683. It was assigned on September 27, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Yun Ju Kim?
Dr. Yun Ju Kim is a gastroenterologist in Oak Brook, Illinois. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Yun Ju Kim practice?
Dr. Kim practices at 2011 York Rd, Oak Brook, IL 60523. Dr. Kim's primary practice is Diag Svcs-Mam Oak Brook-Clinic - HOPD in Oak Brook, Illinois. Dmand AI also links Dr. Kim to 1 hospital, 1 group practice or clinic and 1 ambulatory surgery center.
What is Dr. Yun Ju Kim's medical license number?
Dr. Kim's Indiana license number on file is 01079054A, one of the licenses on file in 4 states.
Which states has Dr. Yun Ju Kim been licensed in?
Dmand AI has state licenses on file for Dr. Kim in Indiana (2017 to 2023), Illinois (2023 to 2026), New York (2014 to 2017) and Maryland (2012 to 2014).
Which hospitals is Dr. Yun Ju Kim affiliated with?
Dr. Kim is affiliated with Rush University Medical Center. Dmand AI links Dr. Kim to 1 more hospital.
What medical group is Dr. Yun Ju Kim part of?
Dr. Kim is linked to Rush University Internists.
Does Dr. Yun Ju Kim accept Medicare?
Yes. CMS data shows Dr. Kim billed Medicare for 263 services in 2024, and Dr. Kim accepts Medicare assignment.
Does Dr. Yun Ju Kim offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Kim as offering telehealth services.
How many Medicare patients does Dr. Yun Ju Kim see?
CMS counts 196 Medicare patients who saw Dr. Kim in 2024, with an average age of 73.
Show 9 more questionsShow fewer questions
Is Dr. Yun Ju Kim board certified?
Yes. Dr. Kim is board certified in gastroenterology by the American Board of Internal Medicine.
What services does Dr. Yun Ju Kim bill to Medicare?
In 2024, Dr. Kim's most billed Medicare services were office visit, new patient (99203), office visit, established patient (99214) and office visit, new patient (99204).
Where did Dr. Yun Ju Kim go to medical school?
Dr. Kim graduated from Chung-Ang University College of Medicine in 2005.
What drugs does Dr. Yun Ju Kim prescribe most?
In 2024 Medicare Part D data, Dr. Kim's most prescribed drugs by claims were Gavilyte-G, Pantoprazole Sodium and Omeprazole.
Has Dr. Yun Ju Kim received payments from drug or device companies?
CMS Open Payments shows $337 in general payments to Dr. Kim from 9 companies from 2019 to 2020. The largest total came from Abbvie Inc.
How long has Dr. Yun Ju Kim been practicing?
Dr. Kim graduated from medical school in 2005, 21 years ago.
Does Dr. Yun Ju Kim do research?
Dmand AI links 4 publications to Dr. Kim, published from 2011 to 2019.
Who does Dr. Yun Ju Kim publish with?
Dr. Kim's most frequent co-authors are Rohan D. Bhansali, MD (1 shared paper), Naveen Gara, MD (1 shared paper) and David Erwin Kleiner, MD, PhD (1 shared paper).
What insurance does Dr. Yun Ju Kim accept?
Dr. Kim is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Cigna. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
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