Quick answers
- Which hospitals does Ryan J. Parnell work at?
- Medicare's official clinician data lists Ryan J. Parnell at 2 hospitals: North Shore University Hospital and Plainview Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ryan J. Parnell see patients?
- Medicare's clinician data lists 2 practice locations, including Dix Hills, NY and Plainview, NY. Call before your visit to confirm the address.
- What is Ryan J. Parnell's specialty?
- Medicare lists Hospitalist as the primary specialty, and also Family Practice.
- Does Ryan J. Parnell accept Medicare assignment?
- Yes. Medicare's clinician data says Ryan J. Parnell 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 Ryan J. Parnell?
- (631) 271-9151, as listed in official Medicare / NPI Registry data.
- What is Ryan J. Parnell's NPI number?
- 1598170078. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ryan J. Parnell works
Medicare's Facility Affiliation Data lists Ryan J. Parnell at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- North Shore University HospitalManhasset, NY · Acute Care Hospital · CCN 330106
- Plainview HospitalPlainview, NY · Acute Care Hospital · CCN 330331
Practice locations
Addresses where Ryan J. Parnell is enrolled with Medicare (CMS data updated 2026-10-02).
- 40 Seward DrDix Hills, NY 11746 (631) 271‑9151
- 888 Old Country RdPlainview, NY 11803 (516) 719‑3000
Group practices
Medicare enrollment lists Ryan J. Parnell as a member of this group (CMS data updated 2026-10-02).
- North Shore-Lij Medical PC6,440 clinicians in the group
Specialties
- Hospitalistprimary
- Family Practicealso
Other hospitalists in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | New York College Of Osteo Medicine Of New York Institute Of Technology |
| Graduation year | 2014 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598170078 |
| 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