Guadalupe Issasi, ARNP-FNP-C
NPI 1548621113ActiveIndividual· Nurse Practitioner, Family· Parrish, FL
Nurse Practitioner, Family (ARNP-FNP-C) with Optumcare Florida, LLC and 1 other group, practicing in Parrish, Florida. Their prescriptions cost Medicare Part D more than their services did: $99,103 for 1,688 claims, against $2,439 paid for services in 2024. Lilly USA, LLC was the largest of 5 companies reporting payments in 2025, $394.37 in all, mostly food and beverage.
Overview
| NPI | 1548621113 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | ARNP-FNP-C |
| Sole proprietor | No |
| NPI issued | Mar 10, 2016 |
| Last updated in NPPES | Nov 6, 2025 |
| Certified by provider | Nov 6, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 9177415 | FL |
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 - Nurse Practitioner (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 25 |
|---|---|
| Services billed | 35 across 8 procedure codes |
| Paid by Medicare | $2,439 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,688 · 3,530 30-day fills |
|---|---|
| Patients | 331 |
| Total drug cost | $99,103 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Optumcare Florida, LLCLutz, FL · 272 clinicians
- Wellmed Medical Management of Florida IncTrinity, FL · 159 clinicians
Industry payments (Open Payments)
- 2025$394.37 · 6 payments from 5 companies
- 2024$282.33 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $216.76 | 2 |
| Bayer Healthcare Pharmaceuticals Inc. | $128.37 | 1 |
| Exact Sciences Corporation | $19.83 | 1 |
| Amgen Inc. | $15.54 | 1 |
| Glaxosmithkline, LLC. | $13.87 | 1 |
What the 2025 payments were for
- Food and Beverage$394.37 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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