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Emergency Medicine

Aaron F. Martin, MD

Works at hospitals in Indianapolis, IN · Bloomington, IN · Indiana

Summary

Dr. Aaron F. Martin, MD is an emergency medicine doctor at 1701 N Senate Blvd, Indianapolis, IN 46202. Phone: (888) 484-3258. Accepts Medicare assignment. In 2024, Aaron F. Martin had 388 Original Medicare patients and 430 services. NPI 1215428305. 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 Aaron F. Martin, 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 Aaron F. Martin accept Medicare assignment?
Yes. Medicare's clinician data says Aaron F. Martin 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 Aaron F. Martin see?
In 2024, CMS data shows 388 Original Medicare patients and 430 services for Aaron F. Martin. This counts Original Medicare only and measures volume, not quality.
What is Aaron F. Martin's NPI number?
1215428305. 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 Aaron F. Martin, 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 patients388
Services billed to Medicare430
Different services or procedures18
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)210 services
  2. Emergency department visit with moderate level of medical decision making (99284)108 services
  3. Critical care, first 30-74 minutes (99291)56 services
  4. Emergency department visit with low level of medical decision making (99283)26 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%
  • Arthritis55%
  • Depression47%
  • Chronic kidney disease46%
  • Anxiety45%

Hospitals where Aaron F. Martin works

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

Group practices

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

  • IU Health Medical Group LLC4,462 clinicians in the group
  • Indiana University Health Southern Indiana Physicians LLC463 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Indiana →

Other emergency medicine doctors in Indianapolis

Clinicians with the same Medicare primary specialty in Indianapolis, IN — not a recommendation.

All emergency medicine doctors in Indianapolis →

Other clinicians in IU Health Medical Group LLC

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

Clinician information

CredentialMD
Medical schoolIndiana University School Of Medicine
Graduation year2018 (8 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1215428305
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