John D. Yoon

  • Harvey, IL
  • Internist
NPI1568657823PAC ID2567538085
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
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Personal email
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Mobile number
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Social profiles

Primary practice

See all 4 affiliations

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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 and contact details
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.

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.

See all 4 affiliations for John Yoon

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.

EHR by site
SiteEHR vendor and product
UChicago Medicine Ingalls Memorial HospitalAvailable with a free account
+1 more site and 1 medical groupAvailable 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, IllinoisPrimaryLicense 036118997 · taxonomy 207R00000X

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.

Medicare services, 2024468
Medicare patients166
Paid by Medicare$42,041
Procedure codes4

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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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.

Medicare patients, 2024166
Average age72
Average risk score4.56
Also on Medicaid64%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Chronic kidney disease66%
  4. Arthritis64%
  5. Heart failure60%
  6. Diabetes58%
  7. Mood disorders49%
  8. 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.

Part D claims, 2024263
Drugs named by CMS7
Total drug cost$9,358
Part D patients73

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.

See all prescribing by John Yoon

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.

Papers53
Years published2011 to 2023

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

Recent publications by John Yoon

See all 53 publications and co-authors

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.

How network discovery works

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.

See all payments to John Yoon

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.

  1. Medical schoolUniversity of Texas Southwestern Medical School at Dallas

Source: Dmand AI Professional Profile Data

Sources for John D. Yoon's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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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