Wanda Marelis, NURSE PRACTITIONER
Nurse Practitioner, Family (NURSE PRACTITIONER) with Greater Lawrence Family Health Center Inc and 1 other group, practicing in Lawrence, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $182,228 for 2,023 claims, against $39,791 paid for services in 2024. Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) was the largest of 9 companies reporting payments in 2025, $1,675 in all, mostly food and beverage. Lists Merrimack Health Lawrence Hospital as a hospital affiliation.
Overview
| NPI | 1538789003 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NURSE PRACTITIONER |
| Sole proprietor | Yes |
| NPI issued | Apr 24, 2020 |
| Last updated in NPPES | Feb 9, 2022 |
| Certified by provider | Feb 9, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | RN2310678 | MA |
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 (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 65 |
|---|---|
| Services billed | 551 across 10 procedure codes |
| Paid by Medicare | $39,791 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,023 · 3,507 30-day fills |
|---|---|
| Patients | 261 |
| Total drug cost | $182,228 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical groups
- Greater Lawrence Family Health Center IncLawrence, MA · 122 clinicians
- Comprehensive Health Services LLCChelmsford, MA · 14 clinicians
Hospital affiliation
- Merrimack Health Lawrence HospitalLawrence, MA
Industry payments (Open Payments)
- 2025$1,675 · 38 payments from 9 companies
- 2024$949.36 · 18 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $762.00 | 14 |
| E.R. Squibb & Sons, L.L.C. | $269.95 | 5 |
| Abbvie Inc. | $136.78 | 5 |
| Novartis Pharmaceuticals Corporation | $115.64 | 1 |
| Vanda Pharmaceuticals Inc. | $101.86 | 2 |
What the 2025 payments were for
- Food and Beverage$1,584 · 36 payments
- Education$90.92 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 66 family nurse practitioners in Lawrence · All family nurse practitioners in Massachusetts