Quick answers
- Which hospitals does Jillian D. Walker work at?
- Medicare's official clinician data lists Jillian D. Walker at 1 hospital: Long Island Jewish Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jillian D. Walker see patients?
- Medicare's clinician data lists 1 practice location in Valley Stream, NY. Call before your visit to confirm the address.
- What is Jillian D. Walker's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Jillian D. Walker accept Medicare assignment?
- Yes. Medicare's clinician data says Jillian D. Walker 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 Jillian D. Walker?
- (516) 256-6000, as listed in official Medicare / NPI Registry data.
- What is Jillian D. Walker's NPI number?
- 1588056584. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jillian D. Walker works
Medicare's Facility Affiliation Data lists Jillian D. Walker at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Long Island Jewish Medical CenterNew Hyde Park, NY · Acute Care Hospital · CCN 330195
Practice locations
Addresses where Jillian D. Walker is enrolled with Medicare (CMS data updated 2026-10-02).
- 900 Franklin AveValley Stream, NY 11580 (516) 256‑6000
Group practices
Medicare enrollment lists Jillian D. Walker 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 Valley Stream
Clinicians with the same Medicare primary specialty in Valley Stream, NY — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2014 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588056584 |
| 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