Justin J Yoon, M.D.
Endocrinology, Diabetes & Metabolism
Justin J Yoon is an Endocrinology, Diabetes & Metabolism specialist based in Grafton, WI with over 13 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: INTERNAL MEDICINE
Justin J Yoon, M.D. practices as part of a group endocrinology, diabetes & metabolism specialist practice in Grafton, WI. He has been in practice for 13+ years. He regularly sees Medicare patients with hypertension, high cholesterol, and diabetes (per CMS claims data).
Older · 656dNPPES updated 2024-08-05 · verify NPI on CMS · Verify license at Wisconsin Medical Examining Board
How Does This Doctor Compare?
Generic Rx
↑ Higher = better54.8%
Wisconsin avg: 82.2 · US avg: 82.8
⚠ Lower than most doctors nationally(-28 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
363
Unique beneficiaries
Standard volumePrescription Recipients
613
Patients prescribed
Prescriptions Written
5,640
Total claims
Total Medicare drug cost: $3.59M
Percentile rankings compared against 779 reporting peers in Wisconsin.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Diabetes.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+19%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+2%) — a focus area for this doctor
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↑ More patients than average (+17%) — a focus area for this doctor
Weakened bones that are more prone to fractures, common in older adults
US avg: 18.1%↑ More patients than average (+21%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↑ More patients than average (+4%) — a focus area for this doctor
Conditions affecting emotional state, including depression and bipolar disorder
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$475 received from industry
5 transactions reported in 2018 ·Low tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2018, attributed to Justin J Yoon's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Board certified · Aug 4, 2024
Self-reported via NPPES
13 years in practice
Established
Endocrinologists treat hormonal and metabolic disorders including diabetes (type 1 and 2), thyroid disease, osteoporosis, adrenal disorders, pituitary conditions, and polycystic ovary syndrome (PCOS).
Taxonomy: 207RE0101X
Mailing address
Po Box 735044, Chicago, IL 60673-5044
Differs from practice location
Virtual Endocrinology, Diabetes & Metabolism Care With Justin J Yoon
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Justin J Yoon for blood pressure monitoring, cholesterol management, diabetes check-ins — no travel to Grafton required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Justin J Yoon
Dr. Yoon is listed as active in the NPI registry with telehealth listed in Grafton, WI. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (262) 375-3700.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2018 · CMS Physician Comparator. See Data Methodology.
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Contact Justin J Yoon
Practice Location
215 W Washington St, Grafton, WI 53024
Mailing Address
Po Box 735044, Chicago, IL 60673-5044
This is a provider directory. Contact the office directly to schedule appointments.
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