Quick answers
- Does Kelly E. Atwell Greenwood accept Medicare assignment?
- Yes. Medicare's clinician data says Kelly E. Atwell Greenwood accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Kelly E. Atwell Greenwood's NPI number?
- 1881428969. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Kelly E. Atwell Greenwood works
Medicare's Facility Affiliation Data lists Kelly E. Atwell Greenwood at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Chsli St Joseph HospitalBethpage, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330332
- North Shore University HospitalManhasset, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330106
- Plainview HospitalPlainview, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330331
- St Catherine of Siena HospitalSmithtown, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330401
- St Charles HospitalPort Jefferson, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330246
Practice locations
Addresses where Kelly E. Atwell Greenwood is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 101 Saint Andrews LnGlen Cove, NY 11542 (516) 625‑1014
- 200 Belle Terre RdPort Jefferson, NY 11777 (516) 625‑1014
- 221 Jericho TpkeSyosset, NY 11791 (516) 625‑1014
- 4295 Hempstead TpkeBethpage, NY 11714 (516) 579‑6000
- 50 Route 25aSmithtown, NY 11787 (516) 625‑1014
Group practices
Medicare enrollment lists Kelly E. Atwell Greenwood as a member of this group (CMS data updated October 2, 2026).
- Partners in Critical Care LLP28 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Glen Cove
Clinicians with the same Medicare primary specialty in Glen Cove, NY — not a recommendation.
Other clinicians in Partners in Critical Care LLP
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2024 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1881428969 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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