DR. MARK AARON WELLS (M.D.) – Gastroenterology Physician, NPI 1932319316
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
103 GASTROENTEROLOGY in NE
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Provider Addresses for DR. MARK AARON WELLS (M.D.)
100, River Street, Tomahawk, Lincoln County, Wisconsin, 54487, United States
LINCOLN, NE 685033799
Phone: (402) 465-4545
Fax: (402) 465-9011
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $44.
Total Amount is formed as General ($44) + Research ($0) + Ownership ($0) = $44.
Last reported payment date: 2024-02-21 • Largest payer in this snapshot: Celgene Corporation ($16).
Total Amount
$44
General + Research + Ownership
Payments
3
Total payment records
General Amount
$44
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-02-21
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Celgene Corporation | $16 |
| ABBVIE INC. | $15 |
| Boston Scientific Corporation | $13 |
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: 2017-06-16
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 |
|---|---|---|---|---|
| I20170616001615 | I | Gastroenterology | NE | 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 |
|---|---|---|---|---|
| J3380 | Injection, vedolizumab, 1 mg | 7,800 | 22 | $0 |
| J1745 | Injection, infliximab, excludes biosimilar, 10 mg | 1,230 | 20 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 220 | 219 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 113 | 62 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 92 | 88 | $0 |
Insurance plans in this area (ZIP 68503)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | NE | |
| Physician Assistant | NE | |
| Certified Registered Nurse Anesthetist (Crna) | NE | |
| Internal Medicine, Gastroenterology | NE | |
| G A S T R O E N T E R O L O G Y | NE | |
| Nurse Practitioner | NE | |
| - | NE | |
| Nurse Practitioner | NE | |
| G A S T R O E N T E R O L O G Y | NE | |
| G A S T R O E N T E R O L O G Y | NE |
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