Serene Williams-Kasili, FNP-BC
NPI 1144696675ActiveIndividual· Nurse Practitioner, Family· Chelmsford, MA
Nurse Practitioner, Family (FNP-BC) with Atrius Health Inc, practicing in Chelmsford, Massachusetts. In 2024 Medicare paid $30,968 for 294 patients, and Part D covered 519 of their prescriptions, 83% of them generic. Inspire Medical Systems, Inc. reported $14.21 in payments in 2025, mostly food and beverage. Lists Newton-Wellesley Hospital as a hospital affiliation.
Overview
| NPI | 1144696675 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-BC |
| Sole proprietor | No |
| NPI issued | Aug 19, 2015 |
| Last updated in NPPES | Aug 19, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | RN276978 | 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 | 294 |
|---|---|
| Services billed | 2,677 across 98 procedure codes |
| Paid by Medicare | $30,968 |
Part D prescriptions in 2024
| Prescriptions (claims) | 519 · 789 30-day fills |
|---|---|
| Patients | 272 |
| Total drug cost | $31,710 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Atrius Health IncBraintree, MA · 1,222 clinicians
Hospital affiliation
- Newton-Wellesley HospitalNewton, MA
Industry payments (Open Payments)
- 2025$14.21 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Inspire Medical Systems, Inc. | $14.21 | 1 |
What the 2025 payments were for
- Food and Beverage$14.21 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 38 family nurse practitioners in Chelmsford · All family nurse practitioners in Massachusetts