Jeffrey Peter Fiorenza, M.D.
NPI 1851577605ActiveIndividual· Internal Medicine, Gastroenterology· Monterey, CA
Internal Medicine, Gastroenterology (M.D.) in Monterey, California, trained at Johns Hopkins University School of Medicine (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $765,421 for 1,103 claims, against $171,824 paid for services in 2024. Abbvie Inc. was the largest of 11 companies reporting payments in 2025, $407.29 in all, mostly food and beverage.
Overview
| NPI | 1851577605 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 10, 2008 |
| Last updated in NPPES | Dec 18, 2020 |
| Certified by provider | Dec 18, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A140177 | CA |
| Internal Medicine | 207R00000X | 247495 | MA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 768 |
|---|---|
| Services billed | 1,624 across 64 procedure codes |
| Paid by Medicare | $171,824 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,103 · 2,307 30-day fills |
|---|---|
| Patients | 419 |
| Total drug cost | $765,421 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Johns Hopkins University School of Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Monterey Bay Gi Consultants Medical Group IncMonterey, CA · 21 clinicians
Hospital affiliations
- Community Hospital of the Monterey PeninsulaMonterey, CA
- Natividad Medical CenterSalinas, CA
- Salinas Valley Health Medical CenterSalinas, CA
Industry payments (Open Payments)
- 2025$407.29 · 18 payments from 11 companies
- 2024$182.23 · 9 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $111.95 | 6 |
| Takeda Pharmaceuticals U.S.A., Inc. | $53.48 | 2 |
| Janssen Biotech, Inc. | $38.04 | 2 |
| Recordati_rare_diseases_inc. | $37.89 | 1 |
| Ardelyx, Inc. | $28.23 | 1 |
What the 2025 payments were for
- Food and Beverage$407.29 · 18 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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