Jennifer L. Larson, MD

Medicare activity in 2024

Official CMS public-use data for Jennifer L. Larson, 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.

Most frequent services

1. Critical care, first 30-74 minutes (99291)181 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)157 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)56 services
4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)44 services
5. Ultrasound scan of chest (76604)27 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%
• Arthritis66%
• Ischemic heart disease61%
• Heart failure55%
• Chronic kidney disease49%

Hospitals where Jennifer L. Larson works

Medicare's Facility Affiliation Data lists Jennifer L. Larson 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.

• Long Island Jewish Medical CenterNew Hyde Park, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330195
• North Shore University HospitalManhasset, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330106
• Plainview HospitalPlainview, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330331

Practice locations

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

• 27005 75th AveNew Hyde Park, NY 11040 (718) 470‑7000

Group practices

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

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

Specialties

• Critical Care (Intensivists)primary
• Hospitalistalso
• Internal Medicinealso

Find other Critical Care (Intensivists) doctors in New York →

Other critical care doctors in New Hyde Park

Clinicians with the same Medicare primary specialty in New Hyde Park, NY — not a recommendation.

• Stanton Shek, MD
• Ricardo R. Velasquez Saldana, MD
• Jeremy Fama, MD
• Toni Ann Tomanelli, MD
• Ayelet B. Hilewitz
• Gulrukh Z. Zaidi, MD
• Vivek Sinanan, MD
• Zachary P. Macdonald, MD

All critical care doctors in New Hyde Park →

Other clinicians in North Shore-Lij Medical PC

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

• Michela J. Schillinger, PA
• Maged M. Ghaly, MD
• Ulrika Holm, MD
• Aditya Virmani, MD
• Gillian B. Anthony, MD
• Brittany Linchangco, NP

Clinician information

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