CHIBUZOR NKIRUKA NNAJI M.D
NPI 1740418177
Hospitalist in Marietta, GA
About Chibuzor Nkiruka Nnaji M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHIBUZOR NKIRUKA NNAJI M.D (NPI 1740418177) is an individual hospitalist provider in Marietta, Georgia, licensed in Georgia (68745) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS, is affiliated with Emory Decatur Hospital, and is a graduate of Other (1999).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Chibuzor Nkiruka Nnaji M.d is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
20Medicare enrollment records show Chibuzor Nnaji reassigns Medicare billing to 20 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Marietta, GA 30067
- Reassigned Medicare billing, Georgia enrollment
- 3,885 clinicians in this Medicare group
Atlanta, GA 30322
- Reassigned Medicare billing, Georgia enrollment
- 4,840 clinicians in this Medicare group
Carrollton, GA 30117
- Reassigned Medicare billing, Georgia enrollment
- 335 clinicians in this Medicare group
Monroe, GA 30655
- Reassigned Medicare billing, Georgia enrollment
- 777 clinicians in this Medicare group
Rome, GA 30165
- Reassigned Medicare billing, Georgia enrollment
- 343 clinicians in this Medicare group
Dalton, GA 30720
- Reassigned Medicare billing, Georgia enrollment
- 236 clinicians in this Medicare group
Lagrange, GA 30240
- Reassigned Medicare billing, Georgia enrollment
- 1,506 clinicians in this Medicare group
Chattanooga, TN 37411
- Reassigned Medicare billing, Tennessee enrollment
- 570 clinicians in this Medicare group
Etowah, TN 37331
- Reassigned Medicare billing, Tennessee enrollment
- 1,003 clinicians in this Medicare group
Columbus, GA 31909
- Reassigned Medicare billing, Georgia enrollment
- 165 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Emory Decatur Hospital
Acute Care Hospitals · Decatur, GADoctors Hospital
Acute Care Hospitals · Augusta, GAMemorial Healthcare System, Inc
Acute Care Hospitals · Chattanooga, TNPhysicians Regional Medical Center
Acute Care Hospitals · Powell, TNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 30067 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Chibuzor Nnaji's NPI number?
The NPI number for Chibuzor Nnaji is 1740418177. It was assigned to this individual provider in the NPPES registry on June 24, 2009. The provider is also known as Chibuzor Nkiruka Olisa M.D.
Where is Chibuzor Nnaji located?
Chibuzor Nnaji practices at 1456 Bentley Ln SE, Marietta, GA 30067. The listed phone number is (770) 977-1057.
What is Chibuzor Nnaji's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Chibuzor Nnaji enrolled in Medicare?
Yes. Chibuzor Nnaji is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Chibuzor Nnaji's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Chibuzor Nnaji reassigns Medicare benefits to 20 organizations: Wellstar Medical Group, LLC (Marietta, GA), The Emory Clinic Inc (Atlanta, GA), Apogee Medical Group, Georgia, Inc. (Carrollton, GA), Hospital Physician Services - Southeast Professional Corporation (Monroe, GA), 24 On Physicians, PC (Rome, GA) and 15 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Chibuzor Nnaji's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Chibuzor Nnaji accept?
Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama and Ambetter of North Carolina and 3 other insurers list Chibuzor Nnaji as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Chibuzor Nnaji affiliated with any hospitals?
According to CMS data, Chibuzor Nnaji is affiliated with Emory Decatur Hospital, Doctors Hospital, Memorial Healthcare System, Inc and Physicians Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Chibuzor Nnaji was last updated on December 20, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Chibuzor Nkiruka Nnaji, M.D · NPI 1740418177
Hospitalist physician in Marietta, Georgia. Individual provider, active in the CMS NPPES registry since June 24, 2009.
## Identity
- **NPI:** 1740418177 (Entity type: Individual)
- **Enumerated:** June 24, 2009
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 68745 (Georgia)
- **Sole proprietor:** No
## Practice location
- **Address:** 1456 BENTLEY LN SE, Marietta, GA 30067-6256
- **Phone:** (770) 977-1057
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 20 organizations under Medicare reassignment (form CMS-855R): Wellstar Medical Group, LLC (NPI 1558659854, Marietta, GA); The Emory Clinic Inc (NPI 1396798229, Atlanta, GA); Apogee Medical Group, Georgia, Inc. (NPI 1629025143, Carrollton, GA); Hospital Physician Services - Southeast Professional Corporation (NPI 1760410385, Monroe, GA); 24 On Physicians, PC (NPI 1912956251, Rome, GA); and 15 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1999
## Record status
- **NPPES last updated:** December 20, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1740418177) · Data from the CMS NPPES public registry.