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Internal Medicine

Benziger Bensam, MD

Works at hospitals in New York, NY · New York

Summary

Dr. Benziger Bensam, MD is an internal medicine doctor at 100 E 77th St, New York, NY 10075. Phone: (212) 434-2140. Accepts Medicare assignment. In 2024, Benziger Bensam had 89 Original Medicare patients and 224 services. NPI 1578011540. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 100 E 77th St, New York, NY 10075 · Directions (1 more location)
  • Phone: (212) 434‑2140
  • Medicare: Accepts Medicare assignment
  • Hospital: Lenox Hill Hospital
  • Group practice: North Shore-Lij Medical PC
  • Medical school: graduated 2013 (13 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Benziger Bensam, 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 Benziger Bensam accept Medicare assignment?
Yes. Medicare's clinician data says Benziger Bensam 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 Benziger Bensam see?
In 2024, CMS data shows 89 Original Medicare patients and 224 services for Benziger Bensam. This counts Original Medicare only and measures volume, not quality.
What is Benziger Bensam's NPI number?
1578011540. 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 Benziger Bensam, 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 patients89
Services billed to Medicare224
Different services or procedures4
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Critical care, first 30-74 minutes (99291)121 services
  2. Critical care, each additional 30 minutes (99292)65 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)25 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%
  • Stroke or mini-stroke75%
  • Arthritis69%
  • Ischemic heart disease53%
  • Diabetes47%

Hospitals where Benziger Bensam works

Medicare's Facility Affiliation Data lists Benziger Bensam 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.

  • Lenox Hill HospitalNew York, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330119

Practice locations

Addresses where Benziger Bensam is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • North Shore-Lij Medical PC6,440 clinicians in the group

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in New York

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

All internal medicine doctors in New York →

Other clinicians in North Shore-Lij Medical PC

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

Clinician information

CredentialMD
Graduation year2013 (13 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1578011540
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