RONALD W DEMASI (M.D.) – Specialist, NPI 1528139086
Specialist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,474 GASTROENTEROLOGY in FL
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Provider Addresses for RONALD W DEMASI (M.D.)
1370, East Venice Avenue, Eastgate, Venice, Sarasota County, Florida, 34285, United States
SUITE 210
VENICE, FL 342859082
Phone: (941) 584-6272
Fax: (941) 584-6276
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 117 Open Payments records for all available years, with a total value of $5,457.
Total Amount is formed as General ($5,457) + Research ($0) + Ownership ($0) = $5,457.
Last reported payment date: 2024-12-10 • Largest payer in this snapshot: Axonics, Inc. ($2,110).
Total Amount
$5,457
General + Research + Ownership
Payments
117
Total payment records
General Amount
$5,457
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Axonics, Inc. | $2,110 |
| Janssen Biotech, Inc. | $897 |
| Medtronic, Inc. | $468 |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | $313 |
| ABBVIE INC. | $218 |
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: 2007-06-20
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 |
|---|---|---|---|---|
| I20070620000323 | I | Gastroenterology | FL | 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 | 887 | 536 | $0 |
| 99439 | Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | 509 | 49 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 358 | 356 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 333 | 333 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 318 | 313 | $0 |
Insurance plans in this area (ZIP 34285)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | FL | |
| G A S T R O E N T E R O L O G Y | FL | |
| Certified Registered Nurse Anesthetist (Crna) | FL | |
| P A T H O L O G Y | FL |
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