Michael Paul Guarisco, M.D.
NPI 1699830539ActiveIndividual· Internal Medicine· Slidell, LA
Internal Medicine (M.D.) in Slidell, Louisiana, trained at Louisiana State University School of Medicine in New Orleans (class of 1984). Their prescriptions cost Medicare Part D more than their services did: $825,934 for 10,454 claims, against $23,433 paid for services in 2024. Exact Sciences Corporation reported $18.36 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1699830539 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 22, 2006 |
| Last updated in NPPES | Apr 2, 2025 |
| Certified by provider | Apr 2, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 017682 | LA |
| Specialist | 174400000X | 017682 | LA |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 126 |
|---|---|
| Services billed | 301 across 20 procedure codes |
| Paid by Medicare | $23,433 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,454 · 24,318 30-day fills |
|---|---|
| Patients | 631 |
| Total drug cost | $825,934 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in New Orleans |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Family Practice |
Industry payments (Open Payments)
- 2025$18.36 · 1 payment from 1 company
- 2024$346.16 · 19 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $18.36 | 1 |
What the 2025 payments were for
- Food and Beverage$18.36 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Slidell
- 1013051036
- 1174579346
- 1215349451
- 1275579724
- 1427006055
- 1457349896
- 1629057856
- 1669530028
- 1679007736
- 1760748313
- 1841233095
- 1891135794
All 62 internal medicine physicians in Slidell · All internal medicine physicians in Louisiana