Ernst Bontemps, MD
NPI 1831150408ActiveIndividual· Internal Medicine, Gastroenterology· St Petersburg, FL
Internal Medicine, Gastroenterology (MD) with West Central Gastroenterology LLP, practicing in St Petersburg, Florida. Their prescriptions cost Medicare Part D more than their services did: $420,434 for 439 claims, against $132,700 paid for services in 2024. Abbvie Inc. was the largest of 4 companies reporting payments in 2025, $103.32 in all, mostly food and beverage. Lists HCA Florida St Petersburg Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1831150408 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 31, 2006 |
| Last updated in NPPES | May 12, 2021 |
| Certified by provider | May 12, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | ME83742 | FL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 597 |
|---|---|
| Services billed | 1,255 across 35 procedure codes |
| Paid by Medicare | $132,700 |
Part D prescriptions in 2024
| Prescriptions (claims) | 439 · 733 30-day fills |
|---|---|
| Patients | 208 |
| Total drug cost | $420,434 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1988 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical group
- West Central Gastroenterology LLPClearwater, FL · 84 clinicians
Hospital affiliations
- HCA Florida St Petersburg HospitalSaint Petersburg, FL
- Morton Plant HospitalClearwater, FL
- St Anthonys HospitalSaint Petersburg, FL
- St Josephs HospitalTampa, FL
Industry payments (Open Payments)
- 2025$103.32 · 5 payments from 4 companies
- 2024$51.31 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $48.50 | 2 |
| Ardelyx, Inc. | $25.00 | 1 |
| Boston Scientific Corporation | $16.29 | 1 |
| Optos, Inc. | $13.53 | 1 |
What the 2025 payments were for
- Food and Beverage$89.79 · 4 payments
- Entertainment$13.53 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Gastroenterology providers in St Petersburg
- 1720751860
- 1902476351
- 1619900248
- 1295058550
- 1255717641
- 1376047506
- 1053373084
- 1447879697
- 1912218314
- 1962467910
- 1982675526
- 1467804179
All Internal Medicine, Gastroenterology providers in Florida →