Jung Whan Yoon

  • Washington, DC
  • Rheumatologist
NPI1669902318PAC ID7517346885
Medicare services, 2024
494
Medicare patients, 2024
234
Part D claims, 2024
1,104
MIPS score, 2024
57
Hospital affiliations
3
Practice address
900 23rd St NW, Washington, DC 20037
Practice phone
Call (202) 716-4605
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

The George Washington University Hospital

Hospital · Washington, District of Columbia

See all 7 affiliations

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Jung Whan Yoon is a rheumatologist in Washington, District of Columbia

Jung Whan Yoon practices at The George Washington University Hospital in Washington, District of Columbia, part of Universal Health Services.

Jung Whan Yoon's NPI, 1669902318, was assigned on June 15, 2017. Jung Whan Yoon graduated from Kansas City University of Med & Biosciences, College of Osteo Med in 2017. Jung Whan Yoon holds Virginia license 0102207241.

NPI and contact details
Medicare PAC ID
7517346885
NPI enumeration date
June 15, 2017
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(202) 716-4605
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
35
Medical school graduation
2017

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Jung Whan Yoon practices at The George Washington University Hospital in Washington, District of Columbia

Jung Whan Yoon's primary practice is The George Washington University Hospital, at 900 23rd St NW, Washington, DC 20037 in The District County. The practice phone is (202) 716-4605.

Source: Dmand AI Affiliation Data

Jung Whan Yoon is affiliated with 5 sites of care and 2 medical groups

Jung Whan Yoon's primary practice is The George Washington University Hospital in Washington, District of Columbia, part of Universal Health Services. Jung Whan Yoon is also affiliated with Inova Fair Oaks Hospital. The medical group on file is Annapolis Rheumatology. Dmand AI also links Jung Whan Yoon to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 7 affiliations for Jung Whan Yoon

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Jung Whan Yoon's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Jung Whan Yoon practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
The George Washington University HospitalAvailable with a free account
+4 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Jung Whan Yoon is one of 45 rheumatologists in District of Columbia

Rheumatology is Jung Whan Yoon's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dmand AI has Jung Whan Yoon's licenses on file in 2 states: Virginia and Florida.

Specialties and state licenses

  • Rheumatology, VirginiaPrimaryLicense 0102207241 · taxonomy 207RR0500X
  • Internal medicine, FloridaLicense UO5583 · taxonomy 207R00000X

Rheumatologists near Jung Whan Yoon

Counts of rheumatologists 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

Jung Whan Yoon billed Medicare for 494 services in 2024

CMS data shows 494 Medicare services from Jung Whan Yoon across 6 procedure codes in 2024, for 234 Medicare patients. Medicare paid $42,830 for them. Every service was in an office.

Medicare services, 2024494
Medicare patients234
Paid by Medicare$42,830
Procedure codes6

Jung Whan Yoon's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 4822024: 4565%
Imaging
2023: 1052024: 3864%

Jung Whan Yoon compared with the District of Columbia median for rheumatologists, 2024

  • Jung Whan Yoon
  • District of Columbia median
Medicare services
494vs 44112% above
Medicare patients
234vs 17236% above
Part D claims
1,003vs 2793.6 times

Medians across 42 rheumatologists in District of Columbia with Dmand AI profiles that report each measure.

Jung Whan 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.

See all procedures by Jung Whan Yoon

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Jung Whan Yoon treated 234 Medicare patients in 2024, average age 72

CMS counts 234 Medicare patients who saw Jung Whan Yoon in 2024. The largest group is 65 to 74, with 118 patients. 75% of them have arthritis, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.19, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Jung Whan Yoon's median patient age at 57, with 78% women.

Medicare patients, 2024234
Average age72
Average risk score1.19
Also on Medicaid7%

Jung Whan Yoon's Medicare patients by age, 2024

Jung Whan Yoon's Medicare patients by sex, 2024

  • Women17374%
  • Men6126%

Chronic conditions among Jung Whan Yoon's Medicare patients, 2024

  1. Arthritis75%
  2. High cholesterol75%
  3. High blood pressure68%
  4. Diabetes35%
  5. Osteoporosis25%
  6. Ischemic heart disease23%
  7. Chronic kidney disease22%
  8. Mood disorders20%

Share of Medicare patients with each condition. A patient can have several.

Jung Whan 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 57

Patient panel by sex, all payers

  • Women78%
  • Men20%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Jung Whan Yoon wrote 1,104 Medicare Part D claims in 2024

In 2024, Jung Whan Yoon wrote 1,104 Medicare Part D claims for 212 patients. 86% of them were for generic drugs. CMS names the drug for 1,003 of them, across 23 drugs with 11 or more claims each, at $963,132 in total drug cost. In 2023, CMS named 638 claims across 17 drugs.

Part D claims, 20241,104
Drugs named by CMS23
Total drug cost$963,132
Part D patients212

Jung Whan Yoon's Part D claims by kind of drug, 2024

  • Generic951 claims86%
  • Brand-name153 claims14%

Jung Whan 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 Jung Whan Yoon's Part D claims, 2024

  • Opioids1%11 of 1,104 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 6382024: 1,00357%

Drugs named by CMS: 23 in 2024, 17 in 2023.

See all prescribing by Jung Whan 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

Jung Whan Yoon scored 57 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 57 out of 100 for Jung Whan Yoon for performance year 2024, reported as part of a group. Jung Whan Yoon accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Jung Whan Yoon as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Jung Whan Yoon's MIPS scores, performance year 2024

  • 57of 100Final score
  • 0of 100Quality
  • 40of 100Improvement Activities
  • 89of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Jung Whan Yoon received $10,384 in industry payments from 2019 to 2025

CMS Open Payments shows 522 general payments to Jung Whan Yoon from 27 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 97% of the total. Amgen Inc. paid the most, $1,947.

General payments to Jung Whan Yoon by program year, 2019 to 2025

General payments to Jung Whan Yoon by kind, 2019 to 2025

$10.4Kin total
  • Food and beverage$10,05797%
  • Education$3273%

Companies that paid Jung Whan Yoon the most, 2019 to 2025

Share is of all general payments to this clinician.

See all payments to Jung Whan Yoon

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Jung Whan Yoon graduated from Kansas City University of Med & Biosciences, College of Osteo Med

Jung Whan Yoon graduated from Kansas City University of Med & Biosciences, College of Osteo Med in 2017.

  1. Medical schoolKansas City University of Med & Biosciences, College of Osteo Med

Source: Dmand AI Professional Profile Data

Sources for Jung Whan 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
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 Jung Whan 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 Jung Whan Yoon's NPI number?

Jung Whan Yoon's NPI number is 1669902318. It was assigned on June 15, 2017, and it is active in the NPI Registry.

What does Jung Whan Yoon specialize in?

Jung Whan Yoon is a rheumatologist in Washington, District of Columbia. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).

Where does Jung Whan Yoon practice?

Jung Whan Yoon practices at 900 23rd St NW, Washington, DC 20037. Jung Whan Yoon's primary practice is The George Washington University Hospital in Washington, District of Columbia, part of Universal Health Services. Dmand AI also links Jung Whan Yoon to 1 hospital, 2 group practices and clinics and 1 medical group.

What is Jung Whan Yoon's office phone number?

The practice phone on file for Jung Whan Yoon is (202) 716-4605.

What is Jung Whan Yoon's medical license number?

Jung Whan Yoon holds Virginia license 0102207241, one of the licenses on file in 2 states.

Which states has Jung Whan Yoon been licensed in?

Dmand AI has state licenses on file for Jung Whan Yoon in Virginia and Florida.

Which hospitals is Jung Whan Yoon affiliated with?

Jung Whan Yoon practices at The George Washington University Hospital in Washington, District of Columbia. Jung Whan Yoon is also affiliated with Inova Fair Oaks Hospital. Dmand AI links Jung Whan Yoon to 1 more hospital.

What medical group is Jung Whan Yoon part of?

Jung Whan Yoon is linked to Annapolis Rheumatology. Dmand AI links Jung Whan Yoon to 1 more medical group.

Does Jung Whan Yoon accept Medicare?

Yes. CMS data shows Jung Whan Yoon billed Medicare for 494 services in 2024, and Jung Whan Yoon accepts Medicare assignment.

Does Jung Whan Yoon offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Jung Whan Yoon as offering telehealth services.

Show 7 more questionsShow fewer questions

What is Jung Whan Yoon's MIPS score?

Jung Whan Yoon's MIPS final score for performance year 2024 is 57 out of 100, reported as part of a group.

How many Medicare patients does Jung Whan Yoon see?

CMS counts 234 Medicare patients who saw Jung Whan Yoon in 2024, with an average age of 72.

What services does Jung Whan Yoon bill to Medicare?

In 2024, Jung Whan Yoon's most billed Medicare services were office visit, established patient (99214), office visit, new patient (99204) and office visit, established patient (99213).

Where did Jung Whan Yoon go to medical school?

Jung Whan Yoon graduated from Kansas City University of Med & Biosciences, College of Osteo Med in 2017.

What drugs does Jung Whan Yoon prescribe most?

In 2024 Medicare Part D data, Jung Whan Yoon's most prescribed drugs by claims were Hydroxychloroquine Sulfate, Methotrexate and Diclofenac Sodium.

Has Jung Whan Yoon received payments from drug or device companies?

CMS Open Payments shows $10,384 in general payments to Jung Whan Yoon from 27 companies from 2019 to 2025. The largest total came from Amgen Inc.

How long has Jung Whan Yoon been practicing?

Jung Whan Yoon graduated from medical school in 2017, 9 years ago.

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