Steven Anthony Guarisco, M.D.
NPI 1306807383ActiveIndividual· Internal Medicine, Gastroenterology· Slidell, LA
Internal Medicine, Gastroenterology (M.D.) in Slidell, Louisiana, trained at Louisiana State University School of Medicine in New Orleans (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $216,625 for 1,799 claims, against $59,857 paid for services in 2024. Aimmune Therapeutics, Inc. was the largest of 2 companies reporting payments in 2025, $36.82 in all, mostly food and beverage.
Overview
| NPI | 1306807383 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 30, 2006 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MD.019056 | LA |
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 (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 362 |
|---|---|
| Services billed | 510 across 29 procedure codes |
| Paid by Medicare | $59,857 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,799 · 3,167 30-day fills |
|---|---|
| Patients | 684 |
| Total drug cost | $216,625 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in New Orleans |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Gastroenterology |
Medical group
- Ochsner Clinic LLCNew Orleans, LA · 2,864 clinicians
Hospital affiliations
- Ochsner Medical Center AcuteNew Orleans, LA
- St Tammany Parish HospitalCovington, LA
Industry payments (Open Payments)
- 2025$36.82 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Aimmune Therapeutics, Inc. | $22.04 | 1 |
| Boston Scientific Corporation | $14.78 | 1 |
What the 2025 payments were for
- Food and Beverage$36.82 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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