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NNEKA NNENE OSUJI MD
NPI 1255906103
Family Medicine in Oak Lawn, IL

Active since May 24, 2021PECOS EnrolledAccepts Medicare Assignment
4061 W 95TH ST STE 3, OAK LAWN, IL 60453(708) 423-2880(708) 423-2933 Get Directions Write a Review

NPPES record last updated: May 23, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 23, 2025, May 24, 2021 (2 updates tracked since 2021).

About Nneka Nnene Osuji Md NPPES

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

NNEKA NNENE OSUJI MD (NPI 1255906103) is an individual family medicine provider in Oak Lawn, Illinois, licensed in Illinois (036-171738) and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in Chicago, and is a graduate of Other (2008).

NPPES Registry Identity

NPI1255906103
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameNNEKA NNENE OSUJICredential: MD
Location Address4061 W 95TH ST STE 3Oak Lawn, IL 60453-2611
Mailing AddressPob 7132960Chicago, IL 60677-0001 · (630) 469-9200
Phone(708) 423-2880
Fax(708) 423-2933
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateMay 24, 2021
Last NPPES UpdateMay 23, 20252 updates tracked since enumeration
NPPES CertifiedMay 23, 2025
✔ NPI 1255906103 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses✔ Licensed in IL · 036-171738✔ Licensed in IL · 125.078329
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
4061 W 95TH ST STE 3, Oak Lawn, IL 60453
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Secondary Practice Location 1

Location 11901 W Harrison StChicago, IL 60612-3714 · Phone (312) 864-6000

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

Nneka Nnene Osuji 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 ID2264835735
PECOS Enrollment IDI20250527001266
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 Reassignment

Medicare enrollment records show Nneka Osuji reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Dupage Medical Group Ltd
17 mi
Multi-Specialty
1100 W 31ST ST, STE 300
Downers Grove, IL 60515
  • Reassigned Medicare billing, Illinois enrollment
  • 1,061 clinicians in this Medicare group
NPI 1801833983 (630) 469-9200

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60453 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
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
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.

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. MATTHEW SCOTT HANLON D.O.
Family Medicine
4061 W 95TH ST STE 3
OAK LAWN, IL 60453
Cook County (708) 423-2880
LISA ANN DUNNING M.D.
Internal Medicine
4061 W 95TH ST STE 3
OAK LAWN, IL 60453
Cook County (708) 423-2880
SARAH KATHLEEN WARD PA-C
Physician Assistant
4061 W 95TH ST STE 3
OAK LAWN, IL 60453
Cook County (708) 423-2880
SHANA ANN HORNBECK PA-C
Physician Assistant
4061 W 95TH ST STE 3
OAK LAWN, IL 60453
Cook County (708) 423-2880
PATRYCJA ANNA STRAMA PA
Physician Assistant
4061 W 95TH ST STE 3
OAK LAWN, IL 60453
Cook County (708) 423-2880

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 Nneka Osuji's NPI number?

The NPI number for Nneka Osuji is 1255906103. It was assigned to this individual provider in the NPPES registry on May 24, 2021.

Where is Nneka Osuji located?

Nneka Osuji practices at 4061 W 95th St Ste 3, Oak Lawn, IL 60453. The listed phone number is (708) 423-2880.

What is Nneka Osuji's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Nneka Osuji enrolled in Medicare?

Yes. Nneka Osuji 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 organization bills Medicare for Nneka Osuji's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nneka Osuji reassigns Medicare benefits to Dupage Medical Group Ltd (Downers Grove, IL). The 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 Nneka Osuji's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Nneka Osuji was last updated on May 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.