Doctor profile · Federal record
Dr. Yoojin Pak, M.D.
Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Lisle, IL
- NPI 1003072877
- Accepts Medicare
- 18 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
430 Warrenville RD # 310
Lisle, IL 605321348
(630) 789-4910
fax (630) 432-6744 - Mailing address
-
Po Box 713260
Chicago, IL 606771260
Credentials & registration
- NPI registered
- July 2008 — 18 yrs on file
- Profile last updated
- August 16, 2023
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 207RE0101X — NUCC code
- State license (1)
- Illinois #036127398
- Medicaid
- IL #036127398
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1003072877. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
6,661
Distinct HCPCS
10
Medicare allowed
$207,348
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J0897 |
Injection, denosumab, 1 mg | 4,020 | 38 | $23 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 518 | 355 | $132 | |
83036 |
Hemoglobin a1c level | 368 | 216 | $9 | |
36415 |
Insertion of needle into vein for collection of blood sample | 348 | 254 | $8 | |
84443 |
Blood test, thyroid stimulating hormone (tsh) | 316 | 234 | $16 | |
82306 |
Vitamin d-3 level | 187 | 165 | $29 | |
95251 |
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | 149 | 73 | $35 | |
80048 |
Blood test, basic group of blood chemicals (calcium, total) | 89 | 82 | $8 | |
84439 |
Thyroxine (thyroid chemical), free | 87 | 63 | $9 | |
80061 |
Blood test, lipids (cholesterol and triglycerides) | 83 | 71 | $13 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 317. This provider delivers 21× the peer median.Open Payments
Industry payments received
All-time total
$274
Transactions
13
Manufacturers
7
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novo Nordisk Inc | 5 | $105.23 | |
| Xeris Pharmaceuticals, Inc. | 3 | $58.07 | |
| BETA BIONICS, INC. | 1 | $33.36 | |
| Insulet Corporation | 1 | $24.07 | |
| Lilly USA, LLC | 1 | $22.49 | |
| Amphastar Pharmaceuticals, Inc. | 1 | $16.22 | |
| Dexcom, Inc. | 1 | $14.94 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,996
Patients
905
Total drug cost
$1,493,515
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 800 | 219 | $14,335 |
| Metformin Hcl | Generic | 358 | 112 | $4,521 |
| Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) | Brand | 226 | 70 | $179,649 |
| Ozempic (Semaglutide) | Brand | 217 | 52 | $396,635 |
| Jardiance (Empagliflozin) | Brand | 179 | 52 | $280,038 |
| Alendronate Sodium | Generic | 161 | 46 | $1,567 |
| Nano 2nd Gen Pen Needle (Pen Needle, Diabetic) | Brand | 150 | 58 | $20,042 |
| Atorvastatin Calcium | Generic | 147 | 46 | $1,963 |
| Humalog Kwikpen U-100 (Insulin Lispro) | Brand | 141 | 46 | $226,425 |
| Glimepiride | Generic | 136 | 42 | $3,383 |
Frequently asked questions
What is Dr. Yoojin Pak's medical specialty?
Dr. Yoojin Pak practices Endocrinology, Diabetes & Metabolism Physician in Lisle, IL.
Where does Dr. Yoojin Pak practice?
Dr. Yoojin Pak practices at 430 Warrenville RD # 310, Lisle, IL 605321348. Office phone: 6307894910.
What is Dr. Yoojin Pak's NPI?
Dr. Yoojin Pak's National Provider Identifier (NPI) is 1003072877, issued by NPPES.
Does Dr. Yoojin Pak accept Medicare assignment?
Yes. Dr. Yoojin Pak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Yoojin Pak commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99214); Hemoglobin a1c level (HCPCS 83036). Source: CMS Medicare Physician & Other Practitioners file.