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Hospitalist

Adam L. Magiera, DO

Works at hospitals in Joplin, MO · Missouri

Summary

Dr. Adam L. Magiera, DO is a hospitalist at 1102 W 32 St, Joplin, MO 64804. Phone: (417) 347-4570. Accepts Medicare assignment. In 2024, Adam L. Magiera had 334 Original Medicare patients and 1,042 services. NPI 1215559026. 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: Hospitalist
  • Address: 1102 W 32 St, Joplin, MO 64804 · Directions
  • Phone: (417) 347‑4570
  • Medicare: Accepts Medicare assignment
  • Hospital: Freeman Health System - Freeman West
  • Group practice: Freeman-Oak Hill Health System
  • Medical school: At Still University Of Health Sciences, College Of Osteo Med, Kirksville · graduated 2020 (6 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Adam L. Magiera, 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 Adam L. Magiera accept Medicare assignment?
Yes. Medicare's clinician data says Adam L. Magiera 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 Adam L. Magiera see?
In 2024, CMS data shows 334 Original Medicare patients and 1,042 services for Adam L. Magiera. This counts Original Medicare only and measures volume, not quality.
What is Adam L. Magiera's NPI number?
1215559026. 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 Adam L. Magiera, 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 patients334
Services billed to Medicare1,042
Different services or procedures11
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)607 services
  2. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)105 services
  3. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)77 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)72 services
  5. Hospital discharge day management, more than 30 minutes (99239)67 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%
  • Ischemic heart disease57%
  • Arthritis55%
  • Heart failure53%
  • Diabetes52%

Hospitals where Adam L. Magiera works

Medicare's Facility Affiliation Data lists Adam L. Magiera 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 Adam L. Magiera is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Adam L. Magiera as a member of this group (CMS data updated October 2, 2026).

  • Freeman-Oak Hill Health System394 clinicians in the group

Specialties

Find other Hospitalist doctors in Missouri →

Other hospitalists in Joplin

Clinicians with the same Medicare primary specialty in Joplin, MO — not a recommendation.

All hospitalists in Joplin →

Other clinicians in Freeman-Oak Hill Health System

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

Clinician information

CredentialDO
Medical schoolAt Still University Of Health Sciences, College Of Osteo Med, Kirksville
Graduation year2020 (6 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1215559026
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