Quick answers
- Which hospitals does Narissa Joyner work at?
- Medicare's official clinician data lists Narissa Joyner at 1 hospital: Northern Westchester Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Narissa Joyner see patients?
- Medicare's clinician data lists 2 practice locations, including Plainview, NY and Sleepy Hollow, NY. Call before your visit to confirm the address.
- What is Narissa Joyner's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Narissa Joyner accept Medicare assignment?
- Yes. Medicare's clinician data says Narissa Joyner 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 Narissa Joyner?
- (833) 433-2273, as listed in official Medicare / NPI Registry data.
- What is Narissa Joyner's NPI number?
- 1548546070. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Narissa Joyner works
Medicare's Facility Affiliation Data lists Narissa Joyner at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northern Westchester HospitalMount Kisco, NY · Acute Care Hospital · CCN 330162
Practice locations
Addresses where Narissa Joyner is enrolled with Medicare (CMS data updated 2026-10-02).
- 255 Executive Dr, Suite 210bPlainview, NY 11803 (833) 433‑2273
- 701 N BroadwaySleepy Hollow, NY 10591 (914) 366‑3000
Group practices
Medicare enrollment lists Narissa Joyner as a member of these groups (CMS data updated 2026-10-02).
- North Shore-Lij Medical PC6,440 clinicians in the group
- Kim Medical of New York PLLC18 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Plainview
Clinicians with the same Medicare primary specialty in Plainview, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2011 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1548546070 |
| 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