Doctor profile · Federal record
Dr. Leslie Yang, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Evanston, IL
- NPI 1366619686
- Accepts Medicare
- MIPS 90.4 / 100 · 2023
- 23 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1000 Central St Ste 615
Evanston, IL 602011779
(847) 657-1900
Credentials & registration
- NPI registered
- May 2008 — 18 yrs on file
- Profile last updated
- April 7, 2021
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Illinois #036115452
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1366619686. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
546
Distinct HCPCS
10
Medicare allowed
$64,017
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
G0500 |
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | 89 | 89 | $6 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 83 | 67 | $104 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 73 | 73 | $153 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 55 | 55 | $110 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 55 | 55 | $275 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 48 | 48 | $140 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 48 | 38 | $85 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 21 | 21 | $90 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 19 | 19 | $69 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 15 | 15 | $124 |
In context: peer comparison
Among 7 peers in this city , average services per provider: 58. This provider delivers 9.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
478
Patients
283
Total drug cost
$37,106
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 166 | 162 | $3,175 |
| Omeprazole | Generic | 97 | 43 | $1,947 |
| Pantoprazole Sodium | Generic | 46 | 14 | $619 |
| Linzess (Linaclotide) | Brand | 33 | 0 | $19,874 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 30 | 29 | $663 |
| Famotidine | Generic | 17 | 0 | $207 |
| Esomeprazole Magnesium | Generic | 15 | 0 | $1,301 |
| Dicyclomine Hcl | Generic | 14 | 0 | $76 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) | Brand | 13 | 12 | $1,072 |
| Trulance (Plecanatide) | Brand | 13 | 0 | $7,669 |
Hospital affiliations
Frequently asked questions
What is Dr. Leslie Yang's medical specialty?
Dr. Leslie Yang practices Gastroenterology Physician in Evanston, IL.
Where does Dr. Leslie Yang practice?
Dr. Leslie Yang practices at 1000 Central St Ste 615, Evanston, IL 602011779. Office phone: 8476571900.
What is Dr. Leslie Yang's NPI?
Dr. Leslie Yang's National Provider Identifier (NPI) is 1366619686, issued by NPPES.
Does Dr. Leslie Yang accept Medicare assignment?
Yes. Dr. Leslie Yang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leslie Yang commonly perform?
Top Medicare-reported procedures in 2023: Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (HCPCS G0500); 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.