Doctor profile · Federal record
Dr. Laura Yun, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Gastroenterology Physician · Chicago, IL
- NPI 1649373903
- Accepts Medicare
- MIPS 91.3 / 100 · 2023
- 25 yrs in practice
- Licensed in 2 states
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
676 N. Saint Clair Street, Suite 1400
Chicago, IL 60611
(857) 891-1575 - Mailing address
-
505 N McClurg CT, #1904
Chicago, IL 606115420
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- July 8, 2009
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State licenses (2)
- Illinois #036.120543 · California #A90627
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1649373903. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
184
Distinct HCPCS
6
Medicare allowed
$23,750
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 54 | 35 | $150 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 45 | 33 | $104 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 31 | 31 | $133 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 28 | 13 | $85 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 13 | 13 | $275 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 13 | 12 | $70 |
In context: peer comparison
Among 70 peers in Chicago Gastroenterology Physician, average services per provider: 239. This provider delivers 0.8× the peer median.Open Payments
Industry payments received
All-time total
$177
Transactions
4
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Janssen Biotech, INC. | 3 | $149.14 | |
| Takeda Pharmaceuticals U.S.A., INC. | 1 | $27.49 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
426
Patients
61
Total drug cost
$2,229,193
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Mesalamine | Generic | 111 | 29 | $144,689 |
| Stelara (Ustekinumab) | Brand | 64 | 0 | $1,557,031 |
| Azathioprine | Generic | 29 | 0 | $3,482 |
| Humira(Cf) Pen (Adalimumab) | Brand | 29 | 0 | $508,499 |
| Omeprazole | Generic | 26 | 12 | $1,046 |
| Pantoprazole Sodium | Generic | 26 | 0 | $741 |
| Mercaptopurine | Generic | 25 | 0 | $3,498 |
| Sulfasalazine | Generic | 25 | 0 | $1,449 |
| Loperamide (Loperamide Hcl) | Brand | 20 | 0 | $2,128 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 20 | 20 | $481 |
Hospital affiliations
Frequently asked questions
What is Dr. Laura Yun's medical specialty?
Dr. Laura Yun practices Gastroenterology Physician in Chicago, IL.
Where does Dr. Laura Yun practice?
Dr. Laura Yun practices at 676 N. Saint Clair Street, Chicago, IL 60611. Office phone: 8578911575.
What is Dr. Laura Yun's NPI?
Dr. Laura Yun's National Provider Identifier (NPI) is 1649373903, issued by NPPES.
Does Dr. Laura Yun accept Medicare assignment?
Yes. Dr. Laura Yun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Laura Yun commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.