Dr. Felix Chukwudi Nnaji, MD
- Medicare services, 2024
- 93
- Medicare patients, 2024
- 42
- Part D claims, 2024
- 2,114
- MIPS score, 2024
- 96
- Hospital affiliations
- 1
- Practice address
- 650 Nuckolls Road, Bolivar, TN 38008
- Practice phone
- Call (731) 658-3100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Nnaji's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Felix Chukwudi Nnaji is an internist in Bolivar, Tennessee
Dr. Nnaji practices at West Tennessee Healthcare Bolivar Hospital in Bolivar, Tennessee, part of West Tennessee Healthcare.
Dr. Nnaji's NPI, 1801890223, was assigned on June 13, 2005. Dr. Nnaji holds Tennessee license 32096.
- NPI
- 1801890223NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5890781488
- NPI enumeration date
- June 13, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (731) 658-3100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Felix Chukwudi Nnaji practices at West Tennessee Healthcare Bolivar Hospital in Bolivar, Tennessee
Dr. Nnaji's primary practice is West Tennessee Healthcare Bolivar Hospital, at 650 Nuckolls Road, Bolivar, TN 38008 in Hardeman County. The practice phone is (731) 658-3100.
- West Tennessee Healthcare Bolivar Hospital650 Nuckolls Road, Bolivar, TN 38008 · Hardeman CountyPhone(731) 658-3100
Source: Dmand AI Affiliation Data
Dr. Felix Chukwudi Nnaji is affiliated with 3 sites of care and 2 medical groups
Dr. Nnaji's primary practice is West Tennessee Healthcare Bolivar Hospital in Bolivar, Tennessee, part of West Tennessee Healthcare. The medical group on file is West Tennessee Medical Group. Dmand AI also links Dr. Nnaji to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Felix Chukwudi Nnaji's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nnaji practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| West Tennessee Healthcare Bolivar Hospital | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Felix Chukwudi Nnaji is one of 2,427 internists in Tennessee
Internal medicine is Dr. Nnaji's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Nnaji is licensed in Tennessee.
Specialties and state licenses
- Internal medicine, TennesseePrimary
Internists near Dr. Nnaji
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Felix Chukwudi Nnaji billed Medicare for 93 services in 2024
CMS data shows 93 Medicare services from Dr. Nnaji across 1 procedure code in 2024, for 42 Medicare patients. Medicare paid $7,256 for them. Every service was in an office.
Dr. Nnaji's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4252024: 9378%
Dr. Nnaji compared with the Tennessee median for internists, 2024
- Dr. Nnaji
- Tennessee median
- Medicare services
- 93vs 67186% below
- Medicare patients
- 42vs 22281% below
- Part D claims
- 1,688vs 3345.1 times
Medians across 2,462 internists in Tennessee with Dmand AI profiles that report each measure.
Dr. Nnaji's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nnaji and other internists in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Felix Chukwudi Nnaji treated 42 Medicare patients in 2024, average age 80
CMS counts 42 Medicare patients who saw Dr. Nnaji in 2024. The largest group is 75 to 84, with 15 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 62% are also on Medicaid. Their average risk score is 1.88, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Nnaji's median patient age at 62, with 54% women.
Dr. Nnaji's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Nnaji's Medicare patients by sex, 2024
- Women2150%
- Men2150%
Chronic conditions among Dr. Nnaji's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Anxiety62%
- Mood disorders57%
- Alzheimer's and dementia55%
- Arthritis50%
- Depression50%
- Heart failure48%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nnaji's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Felix Chukwudi Nnaji wrote 2,114 Medicare Part D claims in 2024
In 2024, Dr. Nnaji wrote 2,114 Medicare Part D claims for 83 patients. 75% of them were for generic drugs. CMS names the drug for 1,688 of them, across 54 drugs with 11 or more claims each, at $112,146 in total drug cost. In 2023, CMS named 2,487 claims across 68 drugs.
Dr. Nnaji's Part D claims by kind of drug, 2024
- Generic1,582 claims75%
- Brand-name532 claims25%
Dr. Nnaji's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Nnaji's Part D claims, 2024
- Antibiotics4%87 of 2,114 claims
- Antipsychotics, patients 65 and over3%60 of 2,114 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,4872024: 1,68832%
Drugs named by CMS: 54 in 2024, 68 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Felix Chukwudi Nnaji scored 96 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Dr. Nnaji for performance year 2024, reported through an alternative payment model (APM). Dr. Nnaji accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Nnaji's MIPS scores, performance year 2024
- 96of 100Final score
- 85.2of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Felix Chukwudi Nnaji received $298 in industry payments from 2016 to 2024
CMS Open Payments shows 14 general payments to Dr. Nnaji from 6 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $98.
General payments to Dr. Nnaji by program year, 2016 to 2024
Companies that paid Dr. Nnaji the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Felix Chukwudi Nnaji's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Felix Chukwudi Nnaji
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Felix Chukwudi Nnaji's NPI number?
Dr. Felix Chukwudi Nnaji's NPI number is 1801890223. It was assigned on June 13, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Felix Chukwudi Nnaji?
Dr. Felix Chukwudi Nnaji is an internist in Bolivar, Tennessee. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Felix Chukwudi Nnaji practice?
Dr. Nnaji practices at 650 Nuckolls Road, Bolivar, TN 38008. Dr. Nnaji's primary practice is West Tennessee Healthcare Bolivar Hospital in Bolivar, Tennessee, part of West Tennessee Healthcare. Dmand AI also links Dr. Nnaji to 2 group practices and clinics and 1 medical group.
What is Dr. Felix Chukwudi Nnaji's office phone number?
The practice phone on file for Dr. Nnaji is (731) 658-3100.
What is Dr. Felix Chukwudi Nnaji's medical license number?
Dr. Nnaji holds Tennessee license 32096.
Which hospitals is Dr. Felix Chukwudi Nnaji affiliated with?
Dr. Nnaji practices at West Tennessee Healthcare Bolivar Hospital in Bolivar, Tennessee.
What medical group is Dr. Felix Chukwudi Nnaji part of?
Dr. Nnaji is linked to West Tennessee Medical Group. Dmand AI links Dr. Nnaji to 1 more medical group.
Does Dr. Felix Chukwudi Nnaji accept Medicare?
Yes. CMS data shows Dr. Nnaji billed Medicare for 93 services in 2024, and Dr. Nnaji accepts Medicare assignment.
What is Dr. Felix Chukwudi Nnaji's MIPS score?
Dr. Nnaji's MIPS final score for performance year 2024 is 96 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Felix Chukwudi Nnaji see?
CMS counts 42 Medicare patients who saw Dr. Nnaji in 2024, with an average age of 80.
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What services does Dr. Felix Chukwudi Nnaji bill to Medicare?
In 2024, Dr. Nnaji's most billed Medicare services were nursing facility care (99309).
What drugs does Dr. Felix Chukwudi Nnaji prescribe most?
In 2024 Medicare Part D data, Dr. Nnaji's most prescribed drugs by claims were Furosemide, Atorvastatin Calcium and Eliquis.
Has Dr. Felix Chukwudi Nnaji received payments from drug or device companies?
CMS Open Payments shows $298 in general payments to Dr. Nnaji from 6 companies from 2016 to 2024. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Felix Chukwudi Nnaji been practicing?
Dr. Nnaji graduated from medical school in 1989, 37 years ago.
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