Melanie De Guzman, ARNP
NPI 1699128736ActiveIndividual· Nurse Practitioner· Port St Lucie, FL
Nurse Practitioner (ARNP) with Michael A Blum DO PA, practicing in Port St Lucie, Florida. Their prescriptions cost Medicare Part D more than their services did: $686,480 for 5,668 claims, against $57,993 paid for services in 2024. Acadia Pharmaceuticals Inc was the largest of 15 companies reporting payments in 2025, $488.27 in all, mostly food and beverage. Lists Cleveland Clinic Martin North Hospital as a hospital affiliation.
Overview
| NPI | 1699128736 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | ARNP |
| Sole proprietor | No |
| NPI issued | Jul 13, 2016 |
| Last updated in NPPES | Dec 4, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | ARNP9331728 | FL |
| Nurse Practitioner, Family | 363LF0000X | ARNP 9331728 | 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 | 240 |
|---|---|
| Services billed | 928 across 31 procedure codes |
| Paid by Medicare | $57,993 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,668 · 13,515 30-day fills |
|---|---|
| Patients | 690 |
| Total drug cost | $686,480 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Michael A Blum DO PAStuart, FL · 4 clinicians
Hospital affiliation
- Cleveland Clinic Martin North HospitalStuart, FL
Industry payments (Open Payments)
- 2025$488.27 · 22 payments from 15 companies
- 2024$400.49 · 21 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Acadia Pharmaceuticals Inc | $67.41 | 3 |
| Eisai Inc. | $58.64 | 2 |
| Novartis Pharmaceuticals Corporation | $51.12 | 2 |
| Astrazeneca Pharmaceuticals LP | $48.19 | 2 |
| Glaxosmithkline, LLC. | $40.86 | 2 |
What the 2025 payments were for
- Food and Beverage$488.27 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 53 nurse practitioners in Port St Lucie · All nurse practitioners in Florida