Quick answers
- Which hospitals does Jill Demayo work at?
- Medicare's official clinician data lists Jill Demayo at 1 hospital: Ns/Lij HS Huntington Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jill Demayo see patients?
- Medicare's clinician data lists 7 practice locations, including New Hyde Park, NY, Huntington, NY and Manhasset, NY. Call before your visit to confirm the address.
- What is Jill Demayo's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Jill Demayo accept Medicare assignment?
- Yes. Medicare's clinician data says Jill Demayo 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 Jill Demayo?
- (631) 351-2356, as listed in official Medicare / NPI Registry data.
- What is Jill Demayo's NPI number?
- 1831570985. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jill Demayo works
Medicare's Facility Affiliation Data lists Jill Demayo at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ns/Lij HS Huntington HospitalHuntington, NY · Acute Care Hospital · CCN 330045
Practice locations
Addresses where Jill Demayo is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 1111 Marcus AveNew Hyde Park, NY 11042
- 270 Park AveHuntington, NY 11743 (631) 351‑2356
- 270 Park Ave, Suite 1Huntington, NY 11743 (631) 351‑2219
- 300 Community DrManhasset, NY 11030
- 300 Community Dr LlManhasset, NY 11030 (516) 562‑2229
Group practices
Medicare enrollment lists Jill Demayo as a member of this group (CMS data updated 2026-10-02).
- North Shore-Lij Medical PC6,440 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in New Hyde Park
Clinicians with the same Medicare primary specialty in New Hyde Park, NY — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Medical school | State University Of New York At Stony Brook, School Of Medicine |
| Graduation year | 2014 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1831570985 |
| 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