Doctor profile · Federal record
Dr. Justin Yoon, M.D.
Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Endocrinology, Diabetes & Metabolism Physician · Student in an Organized Health Care Education/Training Program · Grafton, WI
- NPI 1669815247
- Accepts Medicare
- 13 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
215 W Washington St
Grafton, WI 53024
(262) 375-3700 - Mailing address
-
Po Box 735044
Chicago, IL 606735044
Credentials & registration
- NPI registered
- April 2013 — 13 yrs on file
- Profile last updated
- August 5, 2024
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 207RE0101X — NUCC code
- State licenses (2)
- Wisconsin #69491-20 · Rhode Island #LP03680
- Medicaid
- WI #100080051
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1669815247. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
17,054
Distinct HCPCS
9
Medicare allowed
$247,214
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J3111 |
Injection, romosozumab-aqqg, 1 mg | 15,855 | 14 | $10 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 554 | 328 | $117 | |
95251 |
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | 189 | 91 | $32 | |
96372 |
Injection of drug or substance under skin or into muscle | 168 | 19 | $13 | |
36415 |
Insertion of needle into vein for collection of blood sample | 96 | 79 | $8 | |
83036 |
Hemoglobin a1c level | 96 | 79 | $9 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 45 | 37 | $165 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 27 | 27 | $151 | |
G0108 |
Diabetes outpatient self-management training services, individual, per 30 minutes | 24 | 14 | $46 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 1,894. This provider delivers 9.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
3,284
Patients
934
Total drug cost
$1,557,679
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 511 | 129 | $7,770 |
| Ozempic (Semaglutide) | Brand | 309 | 68 | $590,519 |
| Metformin Hcl Er (Metformin Hcl) | Brand | 300 | 88 | $4,649 |
| Alendronate Sodium | Generic | 265 | 79 | $3,743 |
| Jardiance (Empagliflozin) | Brand | 264 | 74 | $379,013 |
| Rosuvastatin Calcium | Generic | 246 | 68 | $3,562 |
| Atorvastatin Calcium | Generic | 236 | 76 | $3,652 |
| Metformin Hcl | Generic | 229 | 73 | $2,763 |
| Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) | Brand | 189 | 70 | $155,318 |
| Pioglitazone Hcl | Generic | 157 | 52 | $2,749 |
Hospital affiliations
Frequently asked questions
What is Dr. Justin Yoon's medical specialty?
Dr. Justin Yoon practices Endocrinology, Diabetes & Metabolism Physician in Grafton, WI.
Where does Dr. Justin Yoon practice?
Dr. Justin Yoon practices at 215 W Washington St, Grafton, WI 53024. Office phone: 2623753700.
What is Dr. Justin Yoon's NPI?
Dr. Justin Yoon's National Provider Identifier (NPI) is 1669815247, issued by NPPES.
Does Dr. Justin Yoon accept Medicare assignment?
Yes. Dr. Justin Yoon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Justin Yoon commonly perform?
Top Medicare-reported procedures in 2023: Injection, romosozumab-aqqg, 1 mg (HCPCS J3111); Established patient office or other outpatient visit (HCPCS 99214); Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (HCPCS 95251). Source: CMS Medicare Physician & Other Practitioners file.