Quick answers
- Which hospitals does Maria C. Brett work at?
- Medicare's official clinician data lists Maria C. Brett at 1 hospital: Mercy Hospital of Buffalo. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Maria C. Brett see patients?
- Medicare's clinician data lists 3 practice locations, including Patchogue, NY and Buffalo, NY. Call before your visit to confirm the address.
- What is Maria C. Brett's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Maria C. Brett accept Medicare assignment?
- Yes. Medicare's clinician data says Maria C. Brett accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Maria C. Brett?
- (631) 687-4131, as listed in official Medicare / NPI Registry data.
- What is Maria C. Brett's NPI number?
- 1689948713. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Maria C. Brett works
Medicare's Facility Affiliation Data lists Maria C. Brett at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Hospital of BuffaloBuffalo, NY · Acute Care Hospital · CCN 330279
Practice locations
Addresses where Maria C. Brett is enrolled with Medicare (CMS data updated 2026-10-02).
- 101 Hospital RdPatchogue, NY 11772 (631) 687‑4131
- 565 Abbott RdBuffalo, NY 14220 (716) 826‑7000
- 565 Abbott Rd, Rm 8 632Buffalo, NY 14220 (716) 828‑2434
Group practices
Medicare enrollment lists Maria C. Brett as a member of these groups (CMS data updated 2026-10-02).
- Mercy Hospital of Buffalo196 clinicians in the group
- Cogent Medical Care PC154 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Patchogue
Clinicians with the same Medicare primary specialty in Patchogue, NY — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2011 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1689948713 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians