Myshelle R. Guarderas, MSN, APRN, FNP-BC
NPI 1992487367ActiveIndividual· Nurse Practitioner, Family· Methuen, MA
Nurse Practitioner, Family (MSN, APRN, FNP-BC) with Greater Lawrence Family Health Center Inc, practicing in Methuen, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $216,016 for 1,410 claims, against $440.99 paid for services in 2024. Merck Sharp & Dohme LLC was the largest of 3 companies reporting payments in 2025, $167.85 in all, mostly food and beverage. Lists Merrimack Health Lawrence Hospital as a hospital affiliation.
Overview
| NPI | 1992487367 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MSN, APRN, FNP-BC |
| Sole proprietor | No |
| NPI issued | Aug 3, 2023 |
| Last updated in NPPES | Aug 24, 2023 |
| Certified by provider | Aug 24, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | RN2356902 | 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 | 22 |
|---|---|
| Services billed | 34 across 9 procedure codes |
| Paid by Medicare | $440.99 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,410 · 2,414 30-day fills |
|---|---|
| Patients | 154 |
| Total drug cost | $216,016 |
| Generic share | 76% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Greater Lawrence Family Health Center IncLawrence, MA · 122 clinicians
Hospital affiliation
- Merrimack Health Lawrence HospitalLawrence, MA
Other facilities
- Northeast Rehabilitation HospitalInpatient rehabilitation facility · Salem, NH
Industry payments (Open Payments)
- 2025$167.85 · 3 payments from 3 companies
- 2024$131.19 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $83.13 | 1 |
| Novo Nordisk Inc | $64.51 | 1 |
| Pfizer Inc. | $20.21 | 1 |
What the 2025 payments were for
- Food and Beverage$167.85 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 29 family nurse practitioners in Methuen · All family nurse practitioners in Massachusetts