Chereen Zakieh Chalak, MSN, APRN, FNP-BC
NPI 1912739921ActiveIndividual· Nurse Practitioner, Family· Newton, MA
Nurse Practitioner, Family (MSN, APRN, FNP-BC) with Mass General Brigham Medical Group Northern Massachusetts Inc and 1 other group, practicing in Newton, Massachusetts. Mostly services rather than prescriptions: Medicare paid $7,840 for 80 patients in 2024, with only 24 Part D claims. Lists Brigham and Women's Hospital as a hospital affiliation.
Overview
| NPI | 1912739921 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MSN, APRN, FNP-BC |
| Sole proprietor | No |
| NPI issued | Aug 19, 2024 |
| Last updated in NPPES | Aug 19, 2024 |
| Certified by provider | Aug 11, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | RN2372641 | 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 | 80 |
|---|---|
| Services billed | 109 across 12 procedure codes |
| Paid by Medicare | $7,840 |
Part D prescriptions in 2024
| Prescriptions (claims) | 24 · 24 30-day fills |
|---|---|
| Patients | 20 |
| Total drug cost | $239.04 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2024 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Mass General Brigham Medical Group Northern Massachusetts IncDanvers, MA · 827 clinicians
- Mass General Brigham Urgent Care LLCBrookline, MA · 102 clinicians
Hospital affiliation
- Brigham and Women's HospitalBoston, MA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 30 family nurse practitioners in Newton · All family nurse practitioners in Massachusetts