WEI MING SUN (M.D.) – Gastroenterology Physician, NPI 1164487450
Gastroenterology Physician
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NPPES metrics only — not quality of care.
978 GASTROENTEROLOGY in IL
Provider Addresses for WEI MING SUN (M.D.)
745 FLETCHER DR STE 202
ELGIN, IL 601234749
Phone: (847) 244-6320
Type: Mailing
545, Valley View Drive, Moline, Rock Island County, Illinois, 61265, United States
MOLINE, IL 612656138
Phone: (309) 762-5560
Fax: (309) 762-7351
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 21 Open Payments records for all available years, with a total value of $435.
Total Amount is formed as General ($435) + Research ($0) + Ownership ($0) = $435.
Last reported payment date: 2024-10-14 • Largest payer in this snapshot: Celgene Corporation ($193).
Total Amount
$435
General + Research + Ownership
Payments
21
Total payment records
General Amount
$435
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
2
Ownership records
Last Payment Date
2024-10-14
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Celgene Corporation | $193 |
| E.R. Squibb & Sons, L.L.C. | $125 |
| ABBVIE INC. | $44 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $25 |
| PFIZER INC. | $18 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2006-04-25
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20060425000273 | I | Gastroenterology | IL | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 76 | 61 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 71 | 70 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 62 | 61 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 55 | 55 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 54 | 53 | $0 |
Insurance plans in this area (ZIP 60123)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GASTROENTEROLOGY | IL | 43235 | Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscope | 18 | 18 |
| GASTROENTEROLOGY | IL | 45378 | Diagnostic examination of large bowel using an endoscope | 18 | 18 |
| GASTROENTEROLOGY | IL | 45385 | Removal of polyps or growths of large bowel using an endoscope | 55 | 55 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| G A S T R O E N T E R O L O G Y | IL | |
| Physician Assistant | IL | |
| Nurse Practitioner | IL | |
| Gastroenterology, Internal Medicine | IL | |
| G A S T R O E N T E R O L O G Y | IL | |
| P A T H O L O G Y | WI | |
| G A S T R O E N T E R O L O G Y | IL | |
| G A S T R O E N T E R O L O G Y | IL | |
| - | IL | |
| Internal Medicine | FL |
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