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Gastroenterology

Reem Z. Sharaiha, MD

Works at hospitals in New York, NY · New York

Summary

Dr. Reem Z. Sharaiha, MD is a gastroenterologist at 525 E 68th St, New York, NY 10065. Phone: (212) 746-4158. Accepts Medicare assignment. In 2024, Reem Z. Sharaiha had 268 Original Medicare patients and 743 services. NPI 1376701664. 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 Reem Z. Sharaiha, 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 Reem Z. Sharaiha accept Medicare assignment?
Yes. Medicare's clinician data says Reem Z. Sharaiha 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 Reem Z. Sharaiha see?
In 2024, CMS data shows 268 Original Medicare patients and 743 services for Reem Z. Sharaiha. This counts Original Medicare only and measures volume, not quality.
What is Reem Z. Sharaiha's NPI number?
1376701664. 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 Reem Z. Sharaiha, 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 patients268
Services billed to Medicare743
Different services or procedures66
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)111 services
  2. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)98 services
  3. Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43242)59 services
  4. Review by radiologist of image from tube placement into bile duct using an endoscope (74328)45 services
  5. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)45 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 cholesterol75%
  • High blood pressure72%
  • Arthritis54%
  • Ischemic heart disease35%
  • Diabetes32%
  • Anxiety29%

Hospitals where Reem Z. Sharaiha works

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

Group practices

Medicare enrollment lists Reem Z. Sharaiha 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 Gastroenterology doctors in New York →

Other gastroenterologists in New York

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

All gastroenterologists 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
Graduation year2003 (23 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1376701664
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