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Nurse Practitioner

Patricia R. Macdonald

Sees patients in Miller Place, NY · Mount Sinai, NY · New York

Summary

Patricia R. Macdonald is a nurse practitioner at 464 Route 25a, Miller Place, NY 11764. Phone: (631) 642-2200. May accept Medicare assignment. In 2024, Patricia R. Macdonald had 51 Original Medicare patients and 1,674 services. NPI 1427289586. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Nurse practitioner
  • Address: 464 Route 25a, Miller Place, NY 11764 · Directions (1 more location)
  • Phone: (631) 642‑2200
  • Medicare: May accept Medicare assignment
  • Group practice: JJGNP in Adult Health, P.C.
  • School: State University Of New York At Stony Brook, School Of Medicine · graduated 2009
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Patricia R. Macdonald, 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 Patricia R. Macdonald accept Medicare assignment?
Medicare's clinician data says Patricia R. Macdonald may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Patricia R. Macdonald see?
In 2024, CMS data shows 51 Original Medicare patients and 1,674 services for Patricia R. Macdonald. This counts Original Medicare only and measures volume, not quality.
What is Patricia R. Macdonald's NPI number?
1427289586. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Patricia R. Macdonald, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients51
Services billed to Medicare1,674
Different services or procedures13
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)709 services
  2. Measurement of brain wave activity (eeg), awake and drowsy (95816)679 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)97 services
  4. Injection of anesthetic agent and/or steroid into upper neck and back of head nerve (64405)38 services
  5. Measurement of brain wave activity (eeg) with electrodes on brain to provoke seizures or identify brain structures, first hour (95961)36 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure63%
  • Anxiety59%
  • Arthritis43%
  • Ischemic heart disease29%
  • Depression29%

Practice locations

Addresses where Patricia R. Macdonald is enrolled with Medicare (CMS data updated October 2, 2026).

  • 464 Route 25aMiller Place, NY 11764
  • 77 Shore RdMount Sinai, NY 11766 (631) 642‑2200

Group practices

Medicare enrollment lists Patricia R. Macdonald as a member of this group (CMS data updated October 2, 2026).

  • JJGNP in Adult Health, P.C.3 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, New York →

Other nurse practitioners in New York

Clinicians with the same Medicare primary specialty in New York — not a recommendation.

All nurse practitioners in New York →

Other clinicians in JJGNP in Adult Health, P.C.

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

Clinician information

SchoolState University Of New York At Stony Brook, School Of Medicine
Graduation year2009
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1427289586
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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  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