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Emergency Medicine

Aloysius J. Humbert, MD

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

Summary

Dr. Aloysius J. Humbert, MD is an emergency medicine doctor at 1701 N Senate Blvd, Indianapolis, IN 46202. Phone: (888) 484-3258. Accepts Medicare assignment. In 2024, Aloysius J. Humbert had 141 Original Medicare patients and 156 services. NPI 1821108556. 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 Aloysius J. Humbert, 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 Aloysius J. Humbert accept Medicare assignment?
Yes. Medicare's clinician data says Aloysius J. Humbert 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 Aloysius J. Humbert see?
In 2024, CMS data shows 141 Original Medicare patients and 156 services for Aloysius J. Humbert. This counts Original Medicare only and measures volume, not quality.
What is Aloysius J. Humbert's NPI number?
1821108556. 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 Aloysius J. Humbert, 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 patients141
Services billed to Medicare156
Different services or procedures6
Participating Medicare providerYes
Average age of these patients63

Most frequent services

  1. Emergency department visit with moderate level of medical decision making (99284)74 services
  2. Emergency department visit with low level of medical decision making (99283)37 services
  3. Emergency department visit with high level of medical decision making (99285)37 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 cholesterol61%
  • Anxiety51%
  • Depression50%
  • Diabetes44%
  • Arthritis39%

Hospitals where Aloysius J. Humbert works

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

Group practices

Medicare enrollment lists Aloysius J. Humbert 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 schoolOhio State University College Of Medicine
Graduation year1997 (29 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1821108556
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