Individual provider Active NPI

Obinna Victor Obiekezie, M.D.

  • Critical Care Medicine (Internal Medicine) Physician
  • Barrington, IL
National Provider Identifier
1861844201
Registry record updated May 15, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Critical Care Medicine (Internal Medicine) PhysicianTaxonomy code 207RC0200X
License
036.163331 Issued in IL
Practice address
450 W Highway 22 Ste Aip
Barrington, IL 60010-1919
Phone
(708) 283-5500
NPI assigned
Jul 11, 2016
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on May 15, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Critical Care Medicine (Internal Medicine) PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 207RC0200X 036.163331 IL Primary
Hospitalist Physician 208M00000X 036.163331 IL
Critical Care Medicine (Internal Medicine) Physician 207RC0200X 01096360A IN
Internal Medicine Physician 207R00000X 35.134912 OH

Addresses

Primary practice location

450 W Highway 22 Ste Aip
Barrington, IL 60010-1919

Mailing address

2568 Greenlefe Dr
Beavercreek, OH 45431-8600
Phone (832) 288-7885

Other practice location 1

1775 Dempster St
Park Ridge, IL 60068-1143
Phone (216) 861-6200

Electronic endpoints 2

TypeEndpointUseAffiliation
FHIR URL https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/
Direct Messaging Address oobiekezie373456@direct.myadvocateaurora.org Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OH, IL, IN3 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20190725003505 OH Practitioner - Internal MedicinePractitioner - Hospitalist 7618203852 Reassigns benefits to 10 organizations
I20250611000671 IL Practitioner - Internal MedicinePractitioner - Hospitalist 7618203852 Reassigns benefits to 2 organizations
I20260626000572 IN Practitioner - Internal MedicinePractitioner - Critical Care (Intensivists) 7618203852

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Hospitalist
Education
Other, 2010
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Cep America Illinois IntensivistsGroup PAC ID 0345535449, 47 clinicians
Advocate Health and Hospitals CorporationGroup PAC ID 7810800935, 3,081 clinicians

Practice addresses (Care Compare)

1325 N Highland Ave
Aurora, IL 60506-1449
Phone (630) 859-2222

200 Health Care Dr
Greenville, IL 62246-1154
Phone (618) 664-1230

214 McHenry Rd
Buffalo Grove, IL 60089-6748
Phone (847) 459-1160

2233 W Division St
Chicago, IL 60622-8151
Phone (312) 770-2000

450 W Hwy 22
Neonatology
Barrington, IL 60010-1919
Phone (847) 381-0123

500 W Court St
Kankakee, IL 60901-3661
Phone (815) 937-2400

77 N Airlite St
Elgin, IL 60123-4912
Phone (847) 695-3200

Hospital & facility affiliations

  • Presence Mercy Medical Center Hospital, Aurora, IL, CCN 140174
  • Presence St Marys Hospital Hospital, Kankakee, IL, CCN 140155
  • Advocate Good Shepherd Hospital Hospital, Barrington, IL, CCN 140291

Merit-based Incentive Payment System (MIPS)

Final score
80.04 of 100Reported as group
Quality
58.67
Promoting interoperability
98
Improvement activities
40
Cost
76.46

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
35.134912OHMDInternal Medicine Physician
01096360AINMDCritical Care Medicine (Internal Medicine) Physician
036.163331ILMDHospitalist Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Usacs Integrated Acute Care Services of Ohio, LLC Single Specialty CurrentSince May 31, 2021 Accepting new patients
Cep America Illinois Intensivists Critical Care Medicine CurrentSince Jun 5, 2025 Accepting new patients
Cep America Illinois Intensivists Critical Care Medicine CurrentSince Jun 5, 2025 Accepting new patients
Ohiohealth Corporation CurrentSince May 1, 2022 Accepting new patients
Midwest Hospitalist Physicians LLP Single Specialty CurrentSince Sep 1, 2020 Accepting new patients
Hospitalist Medicine Physicians of Ohio, Professional Corporation Single Specialty CurrentSince Apr 1, 2021 Accepting new patients
Hospitalist Medicine Physicians of Richland County, LTD Single Specialty CurrentSince Jan 1, 2022 Accepting new patients
Cep America Illinois Intensivists Single Specialty Current Accepting new patients
Advocate Health and Hospitals Corporation Single Specialty Current Accepting new patients
Sinclair Physician Services, LLC Single Specialty CurrentSince May 1, 2024 Accepting new patients
Ohiohealth Corporation Single Specialty CurrentSince May 1, 2022 Accepting new patients
Hisey Physician Services, LLC Single Specialty CurrentSince May 1, 2024 Accepting new patients
Advocate Health and Hospitals Corporation CurrentSince Aug 1, 2025 Accepting new patients
Upper Valley Professional Corporation Single Specialty CurrentSince Sep 15, 2021 Accepting new patients
Mvhe Inc Internal Medicine CurrentSince Sep 15, 2021 Accepting new patients
Ohiohealth Corporation Single Specialty Current Accepting new patients
Mvhe, Inc Internal Medicine CurrentSince Sep 15, 2021 Accepting new patients
Mvhe Inc Single Specialty Current Accepting new patients
Usacs Critical Care Medicine Services of Ohio, LLC Single Specialty CurrentSince Aug 1, 2025 Accepting new patients
Advocate Health & Hospitals Corporation Single Specialty CurrentSince Aug 1, 2025 Accepting new patients
Lima Memorial Joint Operating Company Single Specialty Past Accepting new patients

Locations

2100 Powell St
Ste 400
Emeryville, CA 94608
Phone (510) 350-2638

1601 Cummins Dr
Ste D
Modesto, CA 95358
Phone (510) 851-7423

450 W Il Route 22
Ste Aip
Barrington, IL 60010
Phone (708) 283-5500

214 McHenry Rd
Buffalo Grove, IL 60089
Phone (847) 459-1160

29373 Network Pl
Chicago, IL 60673

200 Health Care Dr
Greenville, IL 62246
Phone (618) 664-0808

1775 W Dempster St
Park Ridge, IL 60068
Phone (847) 723-5150

4500 Memorial Dr
Swansea, IL 62226
Phone (618) 233-7750

2420 Lake Ave
Ashtabula, OH 44004
Phone (216) 986-2919

1320 Timken Mercy Dr NW
Canton, OH 44708
Phone (330) 489-1000

600 N Pickaway St
Circleville, OH 43113
Phone (614) 352-6479

Dept L3652
Columbus, OH 43260

393 E Town St
Ste 116
Columbus, OH 43215
Phone (614) 566-9108

2451 Wayne Ave
Dayton, OH 45420
Phone (937) 252-1831

1 Wyoming St
Dayton, OH 45409
Phone (937) 208-2636

2400 Miami Valley Dr
Dayton, OH 45459
Phone (937) 208-8394

1001 Bellefontaine Ave
Lima, OH 45804
Phone (419) 228-3335

1 Medical Center Dr
Middletown, OH 45005
Phone (513) 424-2111

100 Medical Center Dr
Springfield, OH 45504
Phone (937) 523-1000

450 N Hyatt St
Ste 202
Tipp City, OH 45371
Phone (937) 667-3141

3130 N County Road 25A
Troy, OH 45373
Phone (937) 440-4000

1044 Belmont Ave
Youngstown, OH 44504
Phone (330) 480-2182

Organizations & group practices 21

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

View all 21

Hospital & facility affiliations 3

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1468195200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778803200000",
    "number": "1861844201",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2568 GREENLEFE DR",
            "city": "BEAVERCREEK",
            "state": "OH",
            "postal_code": "454318600",
            "telephone_number": "832-288-7885"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "450 W HIGHWAY 22 STE AIP",
            "city": "BARRINGTON",
            "state": "IL",
            "postal_code": "600101919",
            "telephone_number": "708-283-5500"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1775 Dempster St",
            "address_purpose": "LOCATION",
            "city": "Park Ridge",
            "state": "IL",
            "postal_code": "600681143",
            "country_code": "US",
            "telephone_number": "216-861-6200",
            "fax_number": "847-723-2210",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OBIEKEZIE",
        "first_name": "OBINNA",
        "middle_name": "VICTOR",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2016-07-11",
        "last_updated": "2026-05-15",
        "certification_date": "2026-05-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0200X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "IL",
            "license": "036.163331",
            "primary": true
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "IL",
            "license": "036.163331",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "IN",
            "license": "01096360A",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OH",
            "license": "35.134912",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "450 W Highway 22 Ste Aip",
            "city": "Barrington",
            "state": "IL",
            "country_code": "US",
            "postal_code": "600101919",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "oobiekezie373456@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "450 W Highway 22 Ste Aip",
            "city": "Barrington",
            "state": "IL",
            "country_code": "US",
            "postal_code": "600101919",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Barrington, IL

Sources for this page

Verify at the official NPI Registry.