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Physician Assistant

Kenneth J. Alessi

Sees patients in Massapequa, NY · New York

Summary

Kenneth J. Alessi is a physician assistant at 4160 Merrick Rd, Suite 3, Massapequa, NY 11758. Phone: (516) 590-7410. Accepts Medicare assignment. NPI 1568500049. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Physician assistant
  • Address: 4160 Merrick Rd, Suite 3, Massapequa, NY 11758 · Directions
  • Phone: (516) 590‑7410
  • Medicare: Accepts Medicare assignment
  • Group practice: Complete Health NY Medical PLLC
  • School: graduated 2005
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Kenneth J. Alessi, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Kenneth J. Alessi accept Medicare assignment?
Yes. Medicare's clinician data says Kenneth J. Alessi 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 Kenneth J. Alessi's NPI number?
1568500049. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Kenneth J. Alessi is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kenneth J. Alessi as a member of this group (CMS data updated October 2, 2026).

  • Complete Health NY Medical PLLC2 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, New York →

Other physician assistants in Massapequa

Clinicians with the same Medicare primary specialty in Massapequa, NY — not a recommendation.

All physician assistants in Massapequa →

Other clinicians in Complete Health NY Medical PLLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

Graduation year2005
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1568500049
CorrectionsReport 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

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians