Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Martin J. Arron, MD

Sees patients in New York, NY · New York

Summary

Dr. Martin J. Arron, MD is an internal medicine doctor at 110 W 97th St, New York, NY 10025. Phone: (212) 531-7533. Accepts Medicare assignment. In 2024, Martin J. Arron had 29 Original Medicare patients and 133 services. NPI 1275553869. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 110 W 97th St, New York, NY 10025 · Directions (3 more locations)
  • Phone: (212) 531‑7533
  • Medicare: Accepts Medicare assignment
  • Group practice: Icahn School of Medicine at Mount Sinai (+1 more)
  • Medical school: Tulane University School Of Medicine · graduated 1983 (43 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 Martin J. Arron, 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 Martin J. Arron accept Medicare assignment?
Yes. Medicare's clinician data says Martin J. Arron 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 Martin J. Arron see?
In 2024, CMS data shows 29 Original Medicare patients and 133 services for Martin J. Arron. This counts Original Medicare only and measures volume, not quality.
What is Martin J. Arron's NPI number?
1275553869. 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 Martin J. Arron, 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 patients29
Services billed to Medicare133
Different services or procedures14
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)50 services
  2. Insertion of needle into vein for collection of blood sample (36415)30 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)18 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 pressure55%
  • Arthritis38%

Practice locations

Addresses where Martin J. Arron is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Martin J. Arron as a member of these groups (CMS data updated October 2, 2026).

  • Icahn School of Medicine at Mount Sinai2,843 clinicians in the group
  • William F Ryan Community Health Center Inc50 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 Icahn School of Medicine at Mount Sinai

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

Clinician information

CredentialMD
Medical schoolTulane University School Of Medicine
Graduation year1983 (43 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1275553869
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians