Maredy Sar, FNP-BC
NPI 1598368045ActiveIndividual· Nurse Practitioner, Family· Lynn, MA
Nurse Practitioner, Family (FNP-BC) with Bayon Medical Group, LLC, practicing in Lynn, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $574,815 for 4,074 claims, against $30,914 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 14 companies reporting payments in 2025, $1,831 in all, mostly food and beverage. Lists North Shore Medical Center - as a hospital affiliation.
Overview
| NPI | 1598368045 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-BC |
| Sole proprietor | No |
| NPI issued | Nov 18, 2020 |
| Last updated in NPPES | Oct 23, 2022 |
| Certified by provider | Oct 23, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | RN2318619 | 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 | 86 |
|---|---|
| Services billed | 507 across 32 procedure codes |
| Paid by Medicare | $30,914 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,074 · 7,629 30-day fills |
|---|---|
| Patients | 241 |
| Total drug cost | $574,815 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Bayon Medical Group, LLCLowell, MA · 7 clinicians
Hospital affiliation
- North Shore Medical Center -Salem, MA
Other facilities
- All Care Hospice IncHospice · Lynn, MA
- Spaulding Rehabilitation HospitalInpatient rehabilitation facility · Charlestown, MA
Industry payments (Open Payments)
- 2025$1,831 · 90 payments from 14 companies
- 2024$621.06 · 31 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $730.97 | 34 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $184.92 | 11 |
| Lilly USA, LLC | $174.10 | 11 |
| Sumitomo Pharma America, Inc. | $147.24 | 8 |
| Otsuka America Pharmaceutical, Inc. | $118.54 | 6 |
What the 2025 payments were for
- Food and Beverage$1,831 · 90 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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