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Critical Care (Intensivists)

Lindsay Lief, MD

Works at hospitals in New York, NY · New York

Summary

Dr. Lindsay Lief, MD is a critical care doctor at 425 E 61st St, Suite 5, New York, NY 10065. Phone: (646) 962-7378. Accepts Medicare assignment. In 2024, Lindsay Lief had 172 Original Medicare patients and 418 services. NPI 1902063332. 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.

  • Specialty: Critical care doctor (Medicare lists Critical Care (Intensivists))
  • Address: 425 E 61st St, Suite 5, New York, NY 10065 · Directions (1 more location)
  • Phone: (646) 962‑7378
  • Medicare: Accepts Medicare assignment
  • Hospital: New York-Presbyterian Hospital
  • Group practice: Weill Medical College of Cornell
  • Medical school: Temple University School Of Medicine · graduated 2007 (19 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Lindsay Lief, 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 Lindsay Lief accept Medicare assignment?
Yes. Medicare's clinician data says Lindsay Lief 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 Lindsay Lief see?
In 2024, CMS data shows 172 Original Medicare patients and 418 services for Lindsay Lief. This counts Original Medicare only and measures volume, not quality.
What is Lindsay Lief's NPI number?
1902063332. 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 Lindsay Lief, 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 patients172
Services billed to Medicare418
Different services or procedures23
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Critical care, first 30-74 minutes (99291)232 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)66 services
  3. Critical care, each additional 30 minutes (99292)32 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)20 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%
  • Arthritis63%
  • Heart failure63%
  • Ischemic heart disease59%
  • Chronic kidney disease58%

Hospitals where Lindsay Lief works

Medicare's Facility Affiliation Data lists Lindsay Lief 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 Lindsay Lief is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Weill Medical College of Cornell2,051 clinicians in the group

Specialties

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

Other critical care doctors in New York

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

All critical care doctors in New York →

Other clinicians in Weill Medical College of Cornell

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

Clinician information

CredentialMD
Medical schoolTemple University School Of Medicine
Graduation year2007 (19 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1902063332
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