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Anesthesiology

Joseph C. Carroll Iv, DO

Works at hospitals in Indianapolis, IN · Indiana

Summary

Dr. Joseph C. Carroll Iv, DO is an anesthesiologist at 1500 N Ritter Ave, Community Hospital East, Indianapolis, IN 46219. Phone: (317) 355-1411. Accepts Medicare assignment. In 2024, Joseph C. Carroll Iv had 135 Original Medicare patients and 158 services. NPI 1851673420. 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: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 1500 N Ritter Ave, Community Hospital East, Indianapolis, IN 46219 · Directions (1 more location)
  • Phone: (317) 355‑1411
  • Medicare: Accepts Medicare assignment
  • Hospitals: Community Hospital East, Community Hospital North
  • Group practice: Community Physicians of Indiana Inc (+1 more)
  • Medical school: Oklahoma State University College Of Osteopathic Medicine · graduated 2011 (15 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Joseph C. Carroll Iv, 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 Joseph C. Carroll Iv accept Medicare assignment?
Yes. Medicare's clinician data says Joseph C. Carroll Iv 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 Joseph C. Carroll Iv see?
In 2024, CMS data shows 135 Original Medicare patients and 158 services for Joseph C. Carroll Iv. This counts Original Medicare only and measures volume, not quality.
What is Joseph C. Carroll Iv's NPI number?
1851673420. 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 Joseph C. Carroll Iv, 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 patients135
Services billed to Medicare158
Different services or procedures49
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)20 services
  2. Anesthesia for other procedure on large bowel using an endoscope (00811)16 services
  3. Injection of local anesthetic for abdominal wall pain control on both sides using imaging guidance (64488)13 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%
  • Arthritis56%
  • Ischemic heart disease38%
  • Diabetes33%
  • Chronic kidney disease33%

Hospitals where Joseph C. Carroll Iv works

Medicare's Facility Affiliation Data lists Joseph C. Carroll Iv 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 Joseph C. Carroll Iv is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Joseph C. Carroll Iv as a member of these groups (CMS data updated October 2, 2026).

  • Community Physicians of Indiana Inc1,565 clinicians in the group
  • Community Anesthesia Associates, PC51 clinicians in the group

Specialties

Find other Anesthesiology doctors in Indiana →

Other anesthesiologists in Indianapolis

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

All anesthesiologists in Indianapolis →

Other clinicians in Community Physicians of Indiana Inc

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

Clinician information

CredentialDO
Medical schoolOklahoma State University College Of Osteopathic Medicine
Graduation year2011 (15 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1851673420
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