Wilhelm K. Martezian, ARNP-C
NPI 1891905477ActiveIndividual· Nurse Practitioner, Adult Health· Vero Beach, FL
Nurse Practitioner, Adult Health (ARNP-C) with Legacy Healthcare Services Inc and 1 other group, practicing in Vero Beach, Florida. Their prescriptions cost Medicare Part D more than their services did: $351,246 for 6,337 claims, against $195,361 paid for services in 2024. Edwards Lifesciences Corporation reported $91.95 in payments in 2024, mostly food and beverage. Lists Cleveland Clinic Martin North Hospital as a hospital affiliation.
Overview
| NPI | 1891905477 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | ARNP-C |
| Sole proprietor | Yes |
| NPI issued | May 23, 2007 |
| Last updated in NPPES | Apr 25, 2025 |
| Certified by provider | Apr 25, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Adult Health Primary | 363LA2200X | ARNP9290514 | 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 | 235 |
|---|---|
| Services billed | 1,743 across 10 procedure codes |
| Paid by Medicare | $195,361 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,337 · 6,838 30-day fills |
|---|---|
| Patients | 208 |
| Total drug cost | $351,246 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical groups
- Legacy Healthcare Services IncGreenville, SC · 3,223 clinicians
- Conviva Medical Center Management, LLCMargate, FL · 512 clinicians
Hospital affiliation
- Cleveland Clinic Martin North HospitalStuart, FL
Other facilities
- Concierge Home CareHome health agency · Port Saint Lucie, FL
- Nhc HomecareHome health agency · Vero Beach, FL
Industry payments (Open Payments)
- 2024$91.95 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Edwards Lifesciences Corporation | $91.95 | 1 |
What the 2024 payments were for
- Food and Beverage$91.95 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 24 adult health nurse practitioners in Vero Beach · All adult health nurse practitioners in Florida