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Anesthesiology

Ezra A. Hallam, MD

Works at hospitals in Waterloo, IA · Cedar Rapids, IA · Iowa

Summary

Dr. Ezra A. Hallam, MD is an anesthesiologist at 1026 A Ave NE, Cedar Rapids, IA 52402. Phone: (319) 369-7211. Accepts Medicare assignment. In 2024, Ezra A. Hallam had 222 Original Medicare patients and 347 services. NPI 1467688259. 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 Ezra A. Hallam, 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 Ezra A. Hallam accept Medicare assignment?
Yes. Medicare's clinician data says Ezra A. Hallam 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 Ezra A. Hallam see?
In 2024, CMS data shows 222 Original Medicare patients and 347 services for Ezra A. Hallam. This counts Original Medicare only and measures volume, not quality.
What is Ezra A. Hallam's NPI number?
1467688259. 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 Ezra A. Hallam, 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 patients222
Services billed to Medicare347
Different services or procedures61
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Ultrasonic guidance for blood vessel access (76937)45 services
  2. Insertion of artery tube for blood sampling or infusion through skin (36620)33 services
  3. Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (64447)21 services
  4. Anesthesia for procedure for total knee joint replacement (01402)17 services
  5. Anesthesia for lens surgery (00142)15 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%
  • Arthritis58%
  • Diabetes32%
  • Ischemic heart disease32%
  • Atrial fibrillation27%

Hospitals where Ezra A. Hallam works

Medicare's Facility Affiliation Data lists Ezra A. Hallam 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 Ezra A. Hallam is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Ezra A. Hallam as a member of these groups (CMS data updated October 2, 2026).

  • Iowa Physicians Clinic Medical Foundation1,246 clinicians in the group
  • Mercy Medical Center305 clinicians in the group
  • Linn County Anesthesiologists PC39 clinicians in the group

Specialties

Find other Anesthesiology doctors in Iowa →

Other anesthesiologists in Cedar Rapids

Clinicians with the same Medicare primary specialty in Cedar Rapids, IA — not a recommendation.

All anesthesiologists in Cedar Rapids →

Other clinicians in Iowa Physicians Clinic Medical Foundation

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

Clinician information

CredentialMD
Medical schoolUniversity Of Iowa, Rj & L Carver College Of Medicine
Graduation year2009 (17 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1467688259
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