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Gastroenterology

Jeremy Gutwein, MD

Works at hospitals in Bronx, NY · New York

Summary

Dr. Jeremy Gutwein, MD is a gastroenterologist at 1488 Wantagh Ave, Wantagh, NY 11793. Phone: (516) 785-6800. Accepts Medicare assignment. In 2024, Jeremy Gutwein had 95 Original Medicare patients and 214 services. NPI 1235279738. 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: Gastroenterologist (Medicare lists Gastroenterology)
  • Address: 1488 Wantagh Ave, Wantagh, NY 11793 · Directions (1 more location)
  • Phone: (516) 785‑6800
  • Medicare: Accepts Medicare assignment
  • Hospital: Montefiore Medical Center
  • Group practice: Gastrointestinal Care of Long Island PLLC
  • Medical school: Albert Einstein College Of Medicine Of Yeshiva University · graduated 2002 (24 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Jeremy Gutwein, 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 Jeremy Gutwein accept Medicare assignment?
Yes. Medicare's clinician data says Jeremy Gutwein 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 Jeremy Gutwein see?
In 2024, CMS data shows 95 Original Medicare patients and 214 services for Jeremy Gutwein. This counts Original Medicare only and measures volume, not quality.
What is Jeremy Gutwein's NPI number?
1235279738. 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 Jeremy Gutwein, 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 patients95
Services billed to Medicare214
Different services or procedures23
Participating Medicare providerYes
Average age of these patients73

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)47 services
  2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)31 services
  3. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)24 services
  4. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)21 services
  5. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)19 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 pressure73%
  • High cholesterol73%
  • Arthritis42%
  • Ischemic heart disease40%
  • Diabetes26%
  • Depression19%

Hospitals where Jeremy Gutwein works

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

Group practices

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

  • Gastrointestinal Care of Long Island PLLC183 clinicians in the group

Specialties

Find other Gastroenterology doctors in New York →

Other gastroenterologists in Wantagh

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

All gastroenterologists in Wantagh →

Other clinicians in Gastrointestinal Care of Long Island PLLC

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

Clinician information

CredentialMD
Medical schoolAlbert Einstein College Of Medicine Of Yeshiva University
Graduation year2002 (24 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1235279738
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