DR. ROGER DONALD WU (MD) – Gastroenterology Physician, NPI 1801088596
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
496 GASTROENTEROLOGY in MD
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Provider Addresses for DR. ROGER DONALD WU (MD)
100 WAYLAND RD
WILMINGTON, DE 198072530
Phone: (570) 906-0763
Type: Mailing
1 RUNNING BROOK LN
NEWARK, DE 197112953
Phone: (570) 906-0763
Type: Mailing
137, West High Street, Little Elkton, Elkton, Cecil County, Maryland, 21921, United States
SUITE 2B
ELKTON, MD 219218600
Phone: (410) 398-8888
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 43 Open Payments records for all available years, with a total value of $971.
Total Amount is formed as General ($971) + Research ($0) + Ownership ($0) = $971.
Last reported payment date: 2024-12-20 • Largest payer in this snapshot: ABBVIE INC. ($320).
Total Amount
$971
General + Research + Ownership
Payments
43
Total payment records
General Amount
$971
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $320 |
| Janssen Biotech, Inc. | $149 |
| Gilead Sciences, Inc. | $126 |
| Regeneron Healthcare Solutions, Inc. | $109 |
| PFIZER INC. | $57 |
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: 2020-08-10
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20130611000544 | I | Gastroenterology | MD | TBD |
| I20200810001995 | I | Gastroenterology | DE | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 174 | 151 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 135 | 135 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 126 | 126 | $0 |
| 99202 | New patient office or other outpatient visit, 15-29 minutes | 85 | 85 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 77 | 77 | $0 |
Insurance plans in this area (ZIP 19807)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GASTROENTEROLOGY | MD | 43235 | Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscope | 38 | 37 |
| GASTROENTEROLOGY | MD | 45378 | Diagnostic examination of large bowel using an endoscope | 15 | 15 |
| GASTROENTEROLOGY | MD | 45385 | Removal of polyps or growths of large bowel using an endoscope | 55 | 55 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Clinical Social Worker | MD | |
| Nurse Practitioner | MD | |
| Internal Medicine, Pediatric Medicine, Hospitalist, Internal Medicine | MD | |
| Diagnostic Radiology | MD | |
| Diagnostic Radiology | MN | |
| Internal Medicine, Hospitalist | NY | |
| Internal Medicine, Cardiovascular Disease (Cardiology) | DE | |
| Diagnostic Radiology | MN | |
| Physician Assistant | DE | |
| - | VA |
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