Barrett Jeffrey Wallis, MD
NPI 1740220938ActiveIndividual· Internal Medicine, Gastroenterology· Crystal River, FL
Internal Medicine, Gastroenterology (MD) with B Jeffrey Wallis MD PA, practicing in Crystal River, Florida. Their prescriptions cost Medicare Part D more than their services did: $249,938 for 847 claims, against $129,003 paid for services in 2024. Janssen Biotech, Inc. was the largest of 11 companies reporting payments in 2025, $1,198 in all, mostly food and beverage.
Overview
| NPI | 1740220938 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 7, 2006 |
| Last updated in NPPES | Oct 10, 2024 |
| Certified by provider | Oct 10, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | ME48685 | FL |
| Internal Medicine, Gastroenterology | 207RG0100X | 35.088718 | OH |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (FL); Practitioner - Gastroenterology (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 300 |
|---|---|
| Services billed | 1,379 across 55 procedure codes |
| Paid by Medicare | $129,003 |
Part D prescriptions in 2024
| Prescriptions (claims) | 847 · 1,426 30-day fills |
|---|---|
| Patients | 224 |
| Total drug cost | $249,938 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1979 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical group
- B Jeffrey Wallis MD PACrystal River, FL · 2 clinicians
Industry payments (Open Payments)
- 2025$1,198 · 32 payments from 11 companies
- 2024$488.66 · 24 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $355.19 | 5 |
| Pfizer Inc. | $247.12 | 13 |
| Abbvie Inc. | $186.28 | 4 |
| Boston Scientific Corporation | $136.43 | 1 |
| Fujifilm Healthcare Americas Corporation | $64.79 | 1 |
What the 2025 payments were for
- Food and Beverage$1,198 · 32 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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