MARK S DAWSON – Gastroenterology Physician, NPI 1457322133
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,474 GASTROENTEROLOGY in FL
Provider Addresses for MARK S DAWSON
16410 HEALTHPARK COMMONS DR
FORT MYERS, FL 339089621
Phone: (239) 343-6202
Fax: (239) 437-8537
Type: Location
129 S Pebble Beach Blvd Ste 100
Sun City Center, FL 335735718
Phone: (813) 634-9272
Fax: (941) 748-3694
Type: Location
101 RIVERFRONT BLVD STE 700
BRADENTON, FL 342058823
Phone: (941) 748-2417
Fax: (941) 748-3694
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 140 Open Payments records for all available years, with a total value of $2,992.
Total Amount is formed as General ($2,992) + Research ($0) + Ownership ($0) = $2,992.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: ABBVIE INC. ($810).
Total Amount
$2,992
General + Research + Ownership
Payments
140
Total payment records
General Amount
$2,992
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $810 |
| QOL Medical, LLC | $360 |
| Gilead Sciences, Inc. | $255 |
| PFIZER INC. | $144 |
| Takeda Pharmaceuticals U.S.A., Inc. | $127 |
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: 2025-08-21
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 |
|---|---|---|---|---|
| I20100818001238 | I | Gastroenterology | FL | TBD |
| I20250821000590 | I | Gastroenterology | MN | 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 | 13,500 | 20 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 268 | 260 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 120 | 119 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 115 | 95 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 111 | 106 | $0 |
Insurance plans in this area (ZIP 33908)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GASTROENTEROLOGY | FL | 45378 | Diagnostic examination of large bowel using an endoscope | 39 | 39 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | FL | |
| - | FL | |
| Internal Medicine, Gastroenterology | FL | |
| - | FL | |
| - | FL | |
| - | FL | |
| Gastroenterology, Internal Medicine | FL | |
| Gastroenterology, Internal Medicine | FL | |
| Physician Assistant | FL | |
| - | FL |
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