DR. OBINNA VICTOR OBIEKEZIE M.D.
NPI 1861844201
Internal Medicine - Critical Care Medicine in Barrington, IL

Q: What is Obinna Obiekezie's NPI number?

The NPI number for Obinna Obiekezie is 1861844201. It was assigned to this individual provider in the NPPES registry on July 11, 2016.

Q: What is Obinna Obiekezie's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Q: When was this NPI record last updated?

The NPPES record for Obinna Obiekezie was last updated on May 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since July 11, 2016PECOS EnrolledAccepts Medicare Assignment

90.54/100

CMS Quality Rating

450 W HIGHWAY 22 STE AIP, BARRINGTON, IL 60010(708) 283-5500 Get Directions Write a Review

NPPES record last updated: May 15, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 15, 2026, Dec 28, 2025, Dec 15, 2025 and 5 more (8 updates tracked since 2016).

On this page

About Dr. Obinna Victor Obiekezie M.d. NPPES

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

DR. OBINNA VICTOR OBIEKEZIE M.D. (NPI 1861844201) is an individual critical care medicine provider in Barrington, Illinois, licensed in Illinois (036.163331) and active in the NPI registry since July 2016. He is enrolled in Medicare PECOS, is affiliated with Presence St Marys Hospital, and is a graduate of Other (2010).

NPPES Registry Identity

NPI1861844201

Entity TypeIndividualMale

Primary Taxonomy207RC0200X

Provider Legal NameDR. OBINNA VICTOR OBIEKEZIECredential: M.D.

Location Address450 W HIGHWAY 22 STE AIPBarrington, IL 60010-1919

Mailing Address2568 Greenlefe DrBeavercreek, OH 45431-8600 · (832) 288-7885

Phone(708) 283-5500

Sole ProprietorYes

Medical School CMSOtherGraduated 2010

Enumeration DateJuly 11, 2016

Last NPPES UpdateMay 15, 20268 updates tracked since enumeration

NPPES CertifiedMay 15, 2026

✔ NPI 1861844201 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RC0200X

Licenses✔ Licensed in IL · 036.163331✔ Licensed in IN · 01096360A

Definition

An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Also ListedInternal MedicineTaxonomy 207R00000X · License 35.134912 (OH)

Also ListedHospitalistTaxonomy 208M00000X · License 036.163331 (IL)

450 W HIGHWAY 22 STE AIP, Barrington, IL 60010

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource, Oscar Health Maintenance Organization of Florida, Oscar Insurance Company.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

Dr. Obinna Victor Obiekezie 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.

PECOS PAC ID7618203852

PECOS Enrollment IDI20250611000671

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.

Hospital Affiliations CMS Care Compare 3

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

Presence St Marys Hospital

Acute Care Hospitals · Kankakee, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140155

Location500 W Court StKankakee, IL 60901 · Kankakee County

Emergency services Birthing friendly

Presence Mercy Medical Center

Acute Care Hospitals · Aurora, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140174

Location1325 N Highland AvenueAurora, IL 60506 · Kane County

Emergency services Birthing friendly

Advocate Good Shepherd Hospital

Acute Care Hospitals · Barrington, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140291

Location450 West Highway 22Barrington, IL 60010 · Lake County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60010 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.

90.54/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

80.73

Promoting Interoperability

100

Improvement Activities

Cost

87.75

Referred Medical Equipment & Supplies CMS DME claims 3

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

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

3 suppliers19 claims19 services$14.70 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

2 suppliers14 claims14 services$6.02 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 suppliers20 claims20 services$75.98 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Obinna Obiekezie's NPI number?

The NPI number for Obinna Obiekezie is 1861844201. It was assigned to this individual provider in the NPPES registry on July 11, 2016.

Where is Obinna Obiekezie located?

Obinna Obiekezie practices at 450 W Highway 22 Ste Aip, Barrington, IL 60010. The listed phone number is (708) 283-5500.

What is Obinna Obiekezie's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Obinna Obiekezie enrolled in Medicare?

Yes. Obinna Obiekezie 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 Obinna Obiekezie accept?

Health plans from CareSource, Oscar Health Maintenance Organization of Florida and Oscar Insurance Company list Obinna Obiekezie 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 Obinna Obiekezie affiliated with any hospitals?

According to CMS data, Obinna Obiekezie is affiliated with Presence St Marys Hospital, Presence Mercy Medical Center and Advocate Good Shepherd Hospital.

When was this NPI record last updated?

The NPPES record for Obinna Obiekezie was last updated on May 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.