EMMANUEL NNANNA NJOKU MD
NPI 1689981045
Internal Medicine in Libertyville, IL

Active since September 08, 2010PECOS EnrolledAccepts Medicare Assignment
75/100
CMS Quality Rating
1880 W WINCHESTER RD, 106, LIBERTYVILLE, IL 60048(732) 423-8404 Get Directions Write a Review

NPPES record last updated: May 19, 2016. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Emmanuel Nnanna Njoku Md NPPES

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

EMMANUEL NNANNA NJOKU MD (NPI 1689981045) is an individual internal medicine provider in Libertyville, Illinois, licensed in Illinois (036.126619) and active in the NPI registry since September 2010. He is enrolled in Medicare PECOS, is affiliated with Advocate Illinois Masonic Medical Center, and is a graduate of Other (2002).

NPPES Registry Identity

NPI1689981045
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameEMMANUEL NNANNA NJOKUCredential: MD
Location Address1880 W WINCHESTER RD, 106Libertyville, IL 60048-5341
Mailing Address1880 W Winchester Rd, 106Libertyville, IL 60048-5341 · (732) 423-8404
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateSeptember 8, 2010
Last NPPES UpdateMay 19, 2016
NPI 1689981045 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in IL · 036.126619
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.
1880 W WINCHESTER RD, Libertyville, IL 60048

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Emmanuel Nnanna Njoku 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 ID1052598133
PECOS Enrollment IDI20110527000464
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.

Areas of Expertise CMS Part B claims 7

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 hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
1,535 services533 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
259 services250 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
61 services53 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
58 services27 patients
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310
A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.
53 services43 patients
Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306
An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.
37 services36 patients

Hospital Affiliations CMS Care Compare 2

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

Advocate Illinois Masonic Medical Center

Acute Care Hospitals · Chicago, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140182
Location836 West Wellington AvenueChicago, IL 60657 · Cook County
Emergency services Birthing friendly

Advocate Condell Medical Center

Acute Care Hospitals · Libertyville, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140202
Location801 S Milwaukee AveLibertyville, IL 60048 · Lake County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60048 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
$137.43 typical visit price
range $59.81 – $181.38
Typical copayment $34.35 (range $14.95 – $45.34)
Most-billed visit code 99204
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
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.

75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice

Other Providers at the Same Location NPPES 20

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

Internal Medicine (Gastroenterology)
1880 W WINCHESTER RD, SUITE 201
LIBERTYVILLE, IL 60048
Plastic Surgery
1880 W WINCHESTER RD, SUITE107
LIBERTYVILLE, IL 60048
Ophthalmology
1880 W WINCHESTER RD, SUITE 105
LIBERTYVILLE, IL 60048
Internal Medicine (Cardiovascular Disease)
1880 W WINCHESTER RD, SUITE 207
LIBERTYVILLE, IL 60048
Internal Medicine (Gastroenterology)
1880 W WINCHESTER RD, #201
LIBERTYVILLE, IL 60048
Internal Medicine (Cardiovascular Disease)
1880 W WINCHESTER RD, SUITE 207
LIBERTYVILLE, IL 60048
Internal Medicine (Gastroenterology)
1880 W WINCHESTER RD, SUITE 201
LIBERTYVILLE, IL 60048
Internal Medicine (Gastroenterology)
1880 W WINCHESTER RD, SUITE 201
LIBERTYVILLE, IL 60048

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 Emmanuel Njoku's NPI number?

The NPI number for Emmanuel Njoku is 1689981045. It was assigned to this individual provider in the NPPES registry on September 8, 2010.

Where is Emmanuel Njoku located?

Emmanuel Njoku practices at 1880 W Winchester Rd 106, Libertyville, IL 60048. The listed phone number is (732) 423-8404.

What is Emmanuel Njoku's specialty?

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

Is Emmanuel Njoku enrolled in Medicare?

Yes. Emmanuel Njoku 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.

What insurance does Emmanuel Njoku accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Emmanuel Njoku 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 Emmanuel Njoku affiliated with any hospitals?

According to CMS data, Emmanuel Njoku is affiliated with Advocate Illinois Masonic Medical Center and Advocate Condell Medical Center.

When was this NPI record last updated?

The NPPES record for Emmanuel Njoku was last updated on May 19, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.