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Emergency Medicine

Nidhish Sasi, MD

Works at hospitals in New York, NY · Brooklyn, NY · New York

Summary

Dr. Nidhish Sasi, MD is an emergency medicine doctor at 10 Union Sq E, New York, NY 10003. Phone: (212) 844-6000. Accepts Medicare assignment. In 2024, Nidhish Sasi had 222 Original Medicare patients and 307 services. NPI 1902212673. 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: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 10 Union Sq E, New York, NY 10003 · Directions (1 more location)
  • Phone: (212) 844‑6000
  • Medicare: Accepts Medicare assignment
  • Hospitals: Mount Sinai Beth Israel, Mount Sinai Hospital, Mount Sinai West and 2 more
  • Group practice: Icahn School of Medicine at Mount Sinai (+1 more)
  • Medical school: University Of Michigan Medical School · graduated 2014 (12 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Nidhish Sasi, 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 Nidhish Sasi accept Medicare assignment?
Yes. Medicare's clinician data says Nidhish Sasi 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 Nidhish Sasi see?
In 2024, CMS data shows 222 Original Medicare patients and 307 services for Nidhish Sasi. This counts Original Medicare only and measures volume, not quality.
What is Nidhish Sasi's NPI number?
1902212673. 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 Nidhish Sasi, 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 patients222
Services billed to Medicare307
Different services or procedures22
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)63 services
  2. Emergency department visit with high level of medical decision making (99285)57 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)35 services
  4. Emergency department visit with moderate level of medical decision making (99284)34 services
  5. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)29 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 pressure72%
  • High cholesterol71%
  • Arthritis54%
  • Diabetes39%
  • Ischemic heart disease35%
  • Anxiety33%

Hospitals where Nidhish Sasi works

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

Group practices

Medicare enrollment lists Nidhish Sasi as a member of these groups (CMS data updated October 2, 2026).

  • Icahn School of Medicine at Mount Sinai2,843 clinicians in the group
  • Icahn School of Medicine at Mount Sinai29 clinicians in the group

Specialties

Find other Emergency Medicine doctors in New York →

Other emergency medicine doctors in New York

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

All emergency medicine doctors in New York →

Other clinicians in Icahn School of Medicine at Mount Sinai

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

Clinician information

CredentialMD
Medical schoolUniversity Of Michigan Medical School
Graduation year2014 (12 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1902212673
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