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DR. FELIX CHUKWUDI NNAJI MD
NPI 1801890223
Internal Medicine in Bolivar, TN

Active since June 13, 2005PECOS EnrolledAccepts Medicare Assignment
95.73/100
CMS Quality Rating
640 NUCKOLLS RD, BOLIVAR, TN 38008(731) 659-2273(731) 659-2777 Get Directions Write a Review

NPPES record last updated: November 21, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Felix Chukwudi Nnaji Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. FELIX CHUKWUDI NNAJI MD (NPI 1801890223) is an individual internal medicine provider in Bolivar, Tennessee, licensed in Tennessee (32096) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with West Tennessee Healthcare Bolivar Hospital, and is a graduate of Other (1989).

NPPES Registry Identity

NPI1801890223
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. FELIX CHUKWUDI NNAJICredential: MD
Location Address640 NUCKOLLS RDBolivar, TN 38008-1532
Mailing Address640 Nuckolls RdBolivar, TN 38008-1532 · (731) 659-2273 · Fax (731) 659-2777
Phone(731) 659-2273
Fax(731) 659-2777
Sole ProprietorNo
Medical School CMSOtherGraduated 1989
Enumeration DateJune 13, 2005
Last NPPES UpdateNovember 21, 2013
✔ NPI 1801890223 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in TN · 32096
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
640 NUCKOLLS RD, Bolivar, TN 38008
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Other Identifiers 3

Medicaid3847625TN
Medicare PIN38476251TN
Medicare UPINH05855TN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter Health, Ambetter of Alabama and more.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

Dr. Felix Chukwudi Nnaji Md 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.

PECOS PAC ID5890781488
PECOS Enrollment IDI20040421000128
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Felix Nnaji reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

West Tennessee Medical Group Inc
27 mi
Internal Medicine
620 SKYLINE DR
Jackson, TN 38301
  • Reassigned Medicare billing, Tennessee enrollment
  • 242 clinicians in this Medicare group
NPI 1053615955 (731) 660-8730
Liberty Medical Clinic PC
32 mi
Rural Health
4937 COLLEGE ST
Bells, TN 38006
  • Reassigned Medicare billing, Tennessee enrollment
  • 2 clinicians in this Medicare group
NPI 1790812956 (731) 663-3530

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

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.

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
93 services20 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

West Tennessee Healthcare Bolivar Hospital

Critical Access Hospitals · Bolivar, TN
OwnershipGovernment - Hospital District or Authority
CMS Certification Number441320
Location650 Nuckolls RoadBolivar, TN 38008 · Hardeman County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 38008 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$121.80 typical visit price
range $52.64 – $160.89
Typical copayment $30.45 (range $13.16 – $40.22)
Most-billed visit code 99204
Established Patient
$93.60 typical visit price
range $16.72 – $131.41
Typical copayment $23.40 (range $4.18 – $32.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

95.73/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality84.39
Promoting Interoperability100
Improvement Activities40

Reported Quality Measures

Care Plan
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…
87%69 patients4/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Enteral formula, nutritionally complete, calorically dense (equal to or greater than 1.5 kcal/ml) with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4152
Other-Enteral and Parenteral · category OB006N
1 supplier13 claims7,136 services$0.31 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
3 suppliers30 claims30 services$19.51 avg. paid by Medicare
Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466
DME-Other DME · category DE005N
3 suppliers15 claims15 services$858.02 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
3 suppliers45 claims45 services$107.42 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. SYLVESTOR D. NICOL M.D.
Internal Medicine
640 NUCKOLLS RD
BOLIVAR, TN 38008
Hardeman County (731) 659-2273
MRS. KIMBERLY BRYANT-HOLMAN PHARM D
Pharmacist
640 NUCKOLLS RD
BOLIVAR, TN 38008
Hardeman County (731) 659-3740
BOLIVAR GENERAL HOSPITAL, INC.
Family Medicine
640 NUCKOLLS RD
BOLIVAR, TN 38008
Hardeman County (731) 658-3100
THE HATCHIE PHARMACY LLC
Pharmacy (Community/Retail Pharmacy)
640 NUCKOLLS RD
BOLIVAR, TN 38008
Hardeman County (731) 659-3740
HATCHIE CLINIC P C
Clinic/Center (Primary Care)
640 NUCKOLLS RD
BOLIVAR, TN 38008
Hardeman County (731) 659-2273

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 Felix Nnaji's NPI number?

The NPI number for Felix Nnaji is 1801890223. It was assigned to this individual provider in the NPPES registry on June 13, 2005.

Where is Felix Nnaji located?

Felix Nnaji practices at 640 Nuckolls Rd, Bolivar, TN 38008. The listed phone number is (731) 659-2273.

What is Felix Nnaji's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Felix Nnaji enrolled in Medicare?

Yes. Felix 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 Felix Nnaji's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Felix Nnaji reassigns Medicare benefits to 2 organizations: West Tennessee Medical Group Inc (Jackson, TN) and Liberty Medical Clinic PC (Bells, TN). 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 Felix Nnaji's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Felix Nnaji accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 3 other insurers list Felix 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 Felix Nnaji affiliated with any hospitals?

According to CMS data, Felix Nnaji is affiliated with West Tennessee Healthcare Bolivar Hospital.

When was this NPI record last updated?

The NPPES record for Felix Nnaji was last updated on November 21, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.