John D. Yoon
- Medicare services, 2024
- 468
- Medicare patients, 2024
- 166
- Part D claims, 2024
- 263
- Publications
- 53
- Hospital affiliations
- 2
- Practice address
- 1 Ingalls Drive, Harvey, IL 60426
- Practice phone
- Call (708) 333-2300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find John Yoon'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.
John D. Yoon is an internist in Harvey, Illinois
John Yoon practices at UChicago Medicine Ingalls Memorial Hospital in Harvey, Illinois, part of The University of Chicago.
John Yoon's NPI, 1568657823, was assigned on September 10, 2007. John Yoon graduated from University of Texas Southwestern Medical School at Dallas in 2005. John Yoon holds Illinois license 036118997.
- NPI
- 1568657823NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567538085
- NPI enumeration date
- September 10, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (708) 333-2300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- 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)
John D. Yoon practices at UChicago Medicine Ingalls Memorial Hospital in Harvey, Illinois
John Yoon's primary practice is UChicago Medicine Ingalls Memorial Hospital, at 1 Ingalls Drive, Harvey, IL 60426 in Cook County. The practice phone is (708) 333-2300.
- UChicago Medicine Ingalls Memorial Hospital1 Ingalls Drive, Harvey, IL 60426 · Cook CountyPhone(708) 333-2300
Source: Dmand AI Affiliation Data
John D. Yoon is affiliated with 2 sites of care and 2 medical groups
John Yoon's primary practice is UChicago Medicine Ingalls Memorial Hospital in Harvey, Illinois, part of The University of Chicago. John Yoon is also affiliated with University of Chicago Medical Center. The medical group on file is UChicago Medicine Physicians (University of Chicago Physicians Group). Dmand AI also links John Yoon to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at John D. Yoon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Yoon practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UChicago Medicine Ingalls Memorial Hospital | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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John D. Yoon is one of 5,652 internists in Illinois
Internal medicine is John Yoon's primary specialty in the NPI Registry, under taxonomy code 207R00000X. John Yoon is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near John Yoon
Counts of internists 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
John D. Yoon billed Medicare for 468 services in 2024
CMS data shows 468 Medicare services from John Yoon across 4 procedure codes in 2024, for 166 Medicare patients. Medicare paid $42,041 for them. Every service was in a facility, such as a hospital, rather than an office.
John Yoon's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2502024: 46887%
John Yoon compared with the Illinois median for internists, 2024
- John Yoon
- Illinois median
- Medicare services
- 468vs 56617% below
- Medicare patients
- 166vs 20820% below
- Part D claims
- 82vs 28471% below
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
John Yoon'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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Medicare shows one payer. Book a meeting to get commercial claims data for John Yoon and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
John D. Yoon treated 166 Medicare patients in 2024, average age 72
CMS counts 166 Medicare patients who saw John Yoon in 2024. The largest group is 65 to 74, with 58 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 64% are also on Medicaid. Their average risk score is 4.56, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts John Yoon's median patient age at 73, with 54% women.
John Yoon's Medicare patients by age, 2024
John Yoon's Medicare patients by sex, 2024
- Women9356%
- Men7344%
Chronic conditions among John Yoon's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease66%
- Arthritis64%
- Heart failure60%
- Diabetes58%
- Mood disorders49%
- COPD48%
Share of Medicare patients with each condition. A patient can have several.
John Yoon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
John D. Yoon wrote 263 Medicare Part D claims in 2024
In 2024, John Yoon wrote 263 Medicare Part D claims for 73 patients. 79% of them were for generic drugs. CMS names the drug for 82 of them, across 7 drugs with 11 or more claims each, at $9,358 in total drug cost.
John Yoon's Part D claims by kind of drug, 2024
- Generic209 claims79%
- Brand-name and other54 claims21%
John Yoon'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.
Drug classes CMS tracks in John Yoon's Part D claims, 2024
- Opioids6%16 of 263 claims
- Antibiotics6%17 of 263 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
How John D. Yoon takes part in Medicare
John Yoon accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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John D. Yoon has 53 publications on record
Dmand AI links 53 papers to John Yoon, published from 2011 to 2023. 2017 was the busiest year, with 7. The most frequent topics are Physicians, Attitude of Health Personnel and Physician-Patient Relations. John Yoon has published most often in South Med J. John Yoon's most frequent co-authors are Michael Scott Putman, MD, Ryan Edward Lawrence, MD and Krishna Ravella, MD.
John Yoon's papers by year, 2011 to 2023
Topics John Yoon writes about most
- Physicians
- Attitude of Health Personnel
- Physician-Patient Relations
- Students, Medical
- Religion and Medicine
- Physicians, Primary Care
- Career Choice
- Ethics, Medical
John Yoon's most frequent co-authors
- Michael Scott Putman, MD5 shared papers
- Ryan Edward Lawrence, MD2 shared papers
- Krishna Ravella, MD2 shared papers
Recent publications by John Yoon
See who John Yoon researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who John Yoon works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
John D. Yoon received $25 in industry payments from 2018 to 2019
CMS Open Payments shows 2 general payments to John Yoon from 2 drug and device companies from 2018 to 2019. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $14.
General payments to John Yoon by program year, 2018 to 2019
Companies that paid John Yoon the most, 2018 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
John D. Yoon graduated from University of Texas Southwestern Medical School at Dallas
John Yoon graduated from University of Texas Southwestern Medical School at Dallas in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for John D. Yoon'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 DataDmand AI Org Hierarchy 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) |
| 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) |
| Training, board certification and memberships | Dmand AI Professional Profile 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 John D. Yoon
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John D. Yoon's NPI number?
John D. Yoon's NPI number is 1568657823. It was assigned on September 10, 2007, and it is active in the NPI Registry.
What does John D. Yoon specialize in?
John D. Yoon is an internist in Harvey, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does John D. Yoon practice?
John Yoon practices at 1 Ingalls Drive, Harvey, IL 60426. John Yoon's primary practice is UChicago Medicine Ingalls Memorial Hospital in Harvey, Illinois, part of The University of Chicago. Dmand AI also links John Yoon to 1 medical group.
What is John D. Yoon's office phone number?
The practice phone on file for John Yoon is (708) 333-2300.
What is John D. Yoon's medical license number?
John Yoon holds Illinois license 036118997.
Which hospitals is John D. Yoon affiliated with?
John Yoon practices at UChicago Medicine Ingalls Memorial Hospital in Harvey, Illinois. John Yoon is also affiliated with University of Chicago Medical Center.
What medical group is John D. Yoon part of?
John Yoon is linked to UChicago Medicine Physicians (University of Chicago Physicians Group). Dmand AI links John Yoon to 1 more medical group.
Does John D. Yoon accept Medicare?
Yes. CMS data shows John Yoon billed Medicare for 468 services in 2024, and John Yoon accepts Medicare assignment.
How many Medicare patients does John D. Yoon see?
CMS counts 166 Medicare patients who saw John Yoon in 2024, with an average age of 72.
What services does John D. Yoon bill to Medicare?
In 2024, John Yoon's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99238).
Show 6 more questionsShow fewer questions
Where did John D. Yoon go to medical school?
John Yoon graduated from University of Texas Southwestern Medical School at Dallas in 2005.
What drugs does John D. Yoon prescribe most?
In 2024 Medicare Part D data, John Yoon's most prescribed drugs by claims were Atorvastatin Calcium, Eliquis and Hydralazine HCl.
Has John D. Yoon received payments from drug or device companies?
CMS Open Payments shows $25 in general payments to John Yoon from 2 companies from 2018 to 2019. The largest total came from Merck Sharp & Dohme Corporation.
How long has John D. Yoon been practicing?
John Yoon graduated from medical school in 2005, 21 years ago.
Does John D. Yoon do research?
Dmand AI links 53 publications to John Yoon, published from 2011 to 2023.
Who does John D. Yoon publish with?
John Yoon's most frequent co-authors are Michael Scott Putman, MD (5 shared papers), Ryan Edward Lawrence, MD (2 shared papers) and Krishna Ravella, MD (2 shared papers).
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