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General Surgery

Alan L. Benvenisty, MD

Works at hospitals in New York, NY · New York

Summary

Dr. Alan L. Benvenisty, MD is a general surgeon at 1000 10th Ave, New York, NY 10019. Phone: (212) 241-4410. Accepts Medicare assignment. In 2024, Alan L. Benvenisty had 285 Original Medicare patients and 878 services. NPI 1083765721. 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: General surgeon (Medicare lists General Surgery)
  • Address: 1000 10th Ave, New York, NY 10019 · Directions
  • Phone: (212) 241‑4410
  • Medicare: Accepts Medicare assignment
  • Hospitals: Mount Sinai Hospital, Mount Sinai West
  • Group practice: Icahn School of Medicine at Mount Sinai
  • Medical school: Columbia University College Of Physicians And Surgeons · graduated 1978 (48 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Alan L. Benvenisty, 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 Alan L. Benvenisty accept Medicare assignment?
Yes. Medicare's clinician data says Alan L. Benvenisty 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 Alan L. Benvenisty see?
In 2024, CMS data shows 285 Original Medicare patients and 878 services for Alan L. Benvenisty. This counts Original Medicare only and measures volume, not quality.
What is Alan L. Benvenisty's NPI number?
1083765721. 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 Alan L. Benvenisty, 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 patients285
Services billed to Medicare878
Different services or procedures77
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)143 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)91 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)76 services
  4. Complete ultrasound study of arm and leg arteries (93923)70 services
  5. Ultrasound of hemodialysis access (93990)47 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%
  • Chronic kidney disease56%
  • Diabetes49%
  • Ischemic heart disease47%
  • Arthritis46%

Hospitals where Alan L. Benvenisty works

Medicare's Facility Affiliation Data lists Alan L. Benvenisty 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.

  • Mount Sinai HospitalNew York, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330024
  • Mount Sinai WestNew York, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330046

Practice locations

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

Group practices

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

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

Specialties

Find other General Surgery doctors in New York →

Other general surgeons in New York

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

All general surgeons 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 schoolColumbia University College Of Physicians And Surgeons
Graduation year1978 (48 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1083765721
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