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Physician Assistant

Daniel M. Macgregor, PA

Works at hospitals in Bethpage, NY · West Islip, NY · New York

Summary

Daniel M. Macgregor, PA (Physician Assistant) is listed by Medicare at 2 hospitals in Bethpage, NY and West Islip, NY. NPI 1013519107. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Daniel M. Macgregor, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Physician AssistantPrimary specialty
May acceptAccepts Medicare assignment
5Years since medical school (graduated 2021)
MaleGender (as listed)
North Shore-Lij Medical PCGroup practice (+1 more)

Quick answers

Which hospitals does Daniel M. Macgregor work at?
Medicare's official clinician data lists Daniel M. Macgregor at 2 hospitals: Chsli St Joseph Hospital and Good Samaritan Hospital Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Daniel M. Macgregor see patients?
Medicare's clinician data lists 6 practice locations, including West Islip, NY, Manhasset, NY and Bay Shore, NY. Call before your visit to confirm the address.
What is Daniel M. Macgregor's specialty?
Medicare lists Physician Assistant as the primary specialty.
Does Daniel M. Macgregor accept Medicare assignment?
Medicare's clinician data says Daniel M. Macgregor may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is the phone number for Daniel M. Macgregor?
(516) 414-4012, as listed in official Medicare / NPI Registry data.
What is Daniel M. Macgregor's NPI number?
1013519107. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Daniel M. Macgregor works

Medicare's Facility Affiliation Data lists Daniel M. Macgregor at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Daniel M. Macgregor is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists Daniel M. Macgregor as a member of these groups (CMS data updated 2026-10-02).

  • North Shore-Lij Medical PC6,440 clinicians in the group
  • Physician Assistant Associate PLLC16 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, New York →

Other physician assistants in West Islip

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

All physician assistants in West Islip →

Clinician information

CredentialPA
Graduation year2021
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1013519107
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians