Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Kathy L. Marcotte, NP

Works at hospitals in Middletown, NY · Valhalla, NY · New York

Summary

Kathy L. Marcotte, NP is a nurse practitioner at 100 Woods Rd, Valhalla, NY 10595. Phone: (845) 483-5000. Accepts Medicare assignment. In 2024, Kathy L. Marcotte had 168 Original Medicare patients and 658 services. NPI 1376020719. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Kathy L. Marcotte, 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 Kathy L. Marcotte accept Medicare assignment?
Yes. Medicare's clinician data says Kathy L. Marcotte 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.
How many Medicare patients does Kathy L. Marcotte see?
In 2024, CMS data shows 168 Original Medicare patients and 658 services for Kathy L. Marcotte. This counts Original Medicare only and measures volume, not quality.
What is Kathy L. Marcotte's NPI number?
1376020719. 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 Kathy L. Marcotte, 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 patients168
Services billed to Medicare658
Different services or procedures8
Participating Medicare providerYes
Average age of these patients79

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)204 services
  2. Advance care planning, first 30 minutes (99497)179 services
  3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)151 services
  4. Advance care planning, each additional 30 minutes (99498)105 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 blood pressure75%
  • High cholesterol75%
  • Ischemic heart disease60%
  • Atrial fibrillation52%
  • Arthritis49%
  • Chronic kidney disease49%

Hospitals where Kathy L. Marcotte works

Medicare's Facility Affiliation Data lists Kathy L. Marcotte 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.

Practice locations

Addresses where Kathy L. Marcotte is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kathy L. Marcotte as a member of this group (CMS data updated October 2, 2026).

  • Westchester Medical Center Advanced Physician Services PC897 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, New York →

Other nurse practitioners in Valhalla

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

All nurse practitioners in Valhalla →

Other clinicians in Westchester Medical Center Advanced Physician Services PC

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

Clinician information

CredentialNP
Graduation year2017
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1376020719
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians