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Hospitalist

Chisom J. Mbonu

Works at hospitals in Austell, GA · Hiram, GA · Georgia

Summary

Chisom J. Mbonu is a hospitalist at 2518 Jimmy Lee Smith Pkwy, Hiram, GA 30141. Phone: (770) 732-4022. Accepts Medicare assignment. In 2024, Chisom J. Mbonu had 245 Original Medicare patients and 263 services. NPI 1902241946. 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 Chisom J. Mbonu, 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 Chisom J. Mbonu accept Medicare assignment?
Yes. Medicare's clinician data says Chisom J. Mbonu 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 Chisom J. Mbonu see?
In 2024, CMS data shows 245 Original Medicare patients and 263 services for Chisom J. Mbonu. This counts Original Medicare only and measures volume, not quality.
What is Chisom J. Mbonu's NPI number?
1902241946. 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 Chisom J. Mbonu, 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 patients245
Services billed to Medicare263
Different services or procedures3
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)260 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 disease61%
  • Chronic kidney disease51%
  • Heart failure51%
  • Arthritis50%

Hospitals where Chisom J. Mbonu works

Medicare's Facility Affiliation Data lists Chisom J. Mbonu 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.

  • Wellstar Cobb Medical CenterAustell, GA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 110143
  • Wellstar Paulding Medical CenterHiram, GA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 110042

Practice locations

Addresses where Chisom J. Mbonu is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Chisom J. Mbonu as a member of this group (CMS data updated October 2, 2026).

  • Wellstar Medical Group LLC3,093 clinicians in the group

Specialties

Find other Hospitalist doctors in Georgia →

Other hospitalists in Hiram

Clinicians with the same Medicare primary specialty in Hiram, GA — not a recommendation.

All hospitalists in Hiram →

Other clinicians in Wellstar Medical Group LLC

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

Clinician information

Graduation year2006 (20 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1902241946
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