Quick answers
- Where does Harriet Loizeaux see patients?
- Medicare's clinician data lists 8 practice locations, including Peekskill, NY, Monticello, NY and Amenia, NY. Call before your visit to confirm the address.
- What is Harriet Loizeaux's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Harriet Loizeaux accept Medicare assignment?
- Yes. Medicare's clinician data says Harriet Loizeaux 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 Harriet Loizeaux?
- (914) 734-8800, as listed in official Medicare / NPI Registry data.
- What is Harriet Loizeaux's NPI number?
- 1679660914. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Harriet Loizeaux is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 1037 Main StPeekskill, NY 10566 (914) 734‑8800
- 1200 Brown StPeekskill, NY 10566
- 1200 Brown St, Credentialing Dept. 3rd FlPeekskill, NY 10566
- 23 Lakewood AveMonticello, NY 12701 (845) 794‑2010
- 3360 Route 343Amenia, NY 12501 (845) 838‑7038
Group practices
Medicare enrollment lists Harriet Loizeaux as a member of these groups (CMS data updated 2026-10-02).
- Sun River Health Inc.243 clinicians in the group
- Wayne Memorial Community Health Centers52 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Peekskill
Clinicians with the same Medicare primary specialty in Peekskill, NY — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 1993 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1679660914 |
| 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
- 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