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Pulmonary Disease

Jennifer Maccarone, MD

Works at hospitals in Mount Kisco, NY · Sleepy Hollow, NY · New York

Summary

Dr. Jennifer Maccarone, MD is a pulmonologist at 244 Westchester Ave, Suite 411, White Plains, NY 10604. Phone: (212) 434-6980. Accepts Medicare assignment. In 2024, Jennifer Maccarone had 117 Original Medicare patients and 285 services. NPI 1588195234. 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 Jennifer Maccarone, 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 Jennifer Maccarone accept Medicare assignment?
Yes. Medicare's clinician data says Jennifer Maccarone 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 Jennifer Maccarone see?
In 2024, CMS data shows 117 Original Medicare patients and 285 services for Jennifer Maccarone. This counts Original Medicare only and measures volume, not quality.
What is Jennifer Maccarone's NPI number?
1588195234. 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 Jennifer Maccarone, 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 patients117
Services billed to Medicare285
Different services or procedures29
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Test for exercise-induced lung stress (94618)34 services
  2. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)30 services
  3. Test to measure expiratory airflow and volume changes before and after medication administration (94060)29 services
  4. Test to examine how well the lungs exchange gases (94729)29 services
  5. Critical care, first 30-74 minutes (99291)28 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 disease53%
  • COPD53%
  • Arthritis48%
  • Diabetes43%

Hospitals where Jennifer Maccarone works

Medicare's Facility Affiliation Data lists Jennifer Maccarone 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.

  • Northern Westchester HospitalMount Kisco, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330162
  • Phelps HospitalSleepy Hollow, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330261

Practice locations

Addresses where Jennifer Maccarone is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jennifer Maccarone as a member of this group (CMS data updated October 2, 2026).

  • North Shore-Lij Medical PC6,440 clinicians in the group

Specialties

Find other Pulmonary Disease doctors in New York →

Other pulmonologists in White Plains

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

All pulmonologists in White Plains →

Other clinicians in North Shore-Lij Medical PC

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

Clinician information

CredentialMD
Graduation year2017 (9 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1588195234
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