Doctor profile · Federal record
Dr. Wei Sun, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Elgin, IL
- NPI 1164487450
- Accepts Medicare
- MIPS 85.1 / 100 · 2023
- 43 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
745 Fletcher Dr Ste 202
Elgin, IL 601234749
(847) 888-1300
fax (847) 888-1341
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- January 19, 2023
- Year of graduation
- 1983 — 43 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Illinois #36115607
- Medicaid
- IL #36115607
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1164487450. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
504
Distinct HCPCS
10
Medicare allowed
$71,957
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 76 | 61 | $130 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 71 | 70 | $259 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 62 | 61 | $95 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 55 | 55 | $169 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 54 | 53 | $135 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 54 | 45 | $82 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 37 | 34 | $93 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 33 | 33 | $104 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 20 | 20 | $115 | |
G0121 |
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 17 | 17 | $172 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 62. This provider delivers 8.1× the peer median.Open Payments
Industry payments received
All-time total
$399
Transactions
17
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Celgene Corporation | 11 | $172.30 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $124.99 | |
| ABBVIE INC. | 2 | $44.42 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 1 | $24.87 | |
| PFIZER INC. | 1 | $17.66 | |
| AIMMUNE THERAPEUTICS, INC. | 1 | $14.50 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
721
Patients
315
Total drug cost
$62,893
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 191 | 62 | $3,028 |
| Pantoprazole Sodium | Generic | 87 | 27 | $1,400 |
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 74 | 70 | $1,197 |
| Sucralfate | Generic | 49 | 19 | $5,548 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 48 | 47 | $1,111 |
| Linzess (Linaclotide) | Brand | 45 | 11 | $33,247 |
| Famotidine | Generic | 41 | 21 | $596 |
| Dicyclomine Hcl | Generic | 32 | 12 | $662 |
| Mesalamine Er (Mesalamine) | Brand | 31 | 0 | $11,111 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) | Brand | 30 | 30 | $2,402 |
Frequently asked questions
What is Dr. Wei Sun's medical specialty?
Dr. Wei Sun practices Gastroenterology Physician in Elgin, IL.
Where does Dr. Wei Sun practice?
Dr. Wei Sun practices at 745 Fletcher Dr Ste 202, Elgin, IL 601234749. Office phone: 8478881300.
What is Dr. Wei Sun's NPI?
Dr. Wei Sun's National Provider Identifier (NPI) is 1164487450, issued by NPPES.
Does Dr. Wei Sun accept Medicare assignment?
Yes. Dr. Wei Sun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Wei Sun commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.