MR. OGBONNAYA E ANEZIOKORO MD
NPI 1104831668
Internal Medicine - Nephrology in Chicago, IL

Q: What is Ogbonnaya Aneziokoro's NPI number?

The NPI number for Ogbonnaya Aneziokoro is 1104831668. It was assigned to this individual provider in the NPPES registry on July 30, 2006.

Q: What is Ogbonnaya Aneziokoro's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Active since July 30, 2006PECOS EnrolledAccepts Medicare Assignment

2222 W DIVISION ST STE 210, CHICAGO, IL 60622(773) 227-2004(773) 227-2006 Get Directions Write a Review

NPPES record last updated: March 7, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 7, 2026, Mar 7, 2023 (2 updates tracked since 2023).

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About Mr. Ogbonnaya E Aneziokoro Md NPPES

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

MR. OGBONNAYA E ANEZIOKORO MD (NPI 1104831668) is an individual nephrology provider in Chicago, Illinois, licensed in Illinois (036102972) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Saint Anthony Hospital, and is a graduate of Other (1995).

NPPES Registry Identity

NPI1104831668

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameMR. OGBONNAYA E ANEZIOKOROCredential: MD

Location Address2222 W DIVISION ST STE 210Chicago, IL 60622-3094

Mailing Address2222 W Division St Ste 210Chicago, IL 60622-3094 · (773) 227-2004 · Fax (773) 227-2006

Phone(773) 227-2004

Fax(773) 227-2006

Sole ProprietorYes

Medical School CMSOtherGraduated 1995

Enumeration DateJuly 30, 2006

Last NPPES UpdateMarch 7, 20262 updates tracked since enumeration

NPPES CertifiedMarch 7, 2026

✔ NPI 1104831668 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in IL · 036102972

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

2222 W DIVISION ST STE 210, Chicago, IL 60622

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Other Identifiers 1

Medicaid036102972IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter Health, Ambetter Health of Delaware.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

Mr. Ogbonnaya E Aneziokoro 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 ID3375547094

PECOS Enrollment IDI20060911000457

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 12

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.

Dialysis services, 4 or more physician visits per month (20 years or older) 90960

Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.

963 services141 patients

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.

696 services194 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.

302 services88 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.

260 services124 patients

Dialysis services, 2-3 physician visits per month (20 years or older) 90961

Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.

212 services96 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.

141 services115 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

120 services78 patients

Dialysis services, 1 physician visit per month (20 years or older) 90962

Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys canâ€™t do their job. A physician visit once a month ensures your treatment is working effectively and adjusts it if necessary. This service is available for individuals aged 20 years and older.

81 services37 patients

Home dialysis services per month (20 years or older) 90966

Home dialysis services provide kidney treatment for patients aged 20 or older right in their own homes. This service includes necessary equipment, supplies, and support for performing dialysis. It's a convenient option that allows patients to maintain their daily routines while receiving essential care.

62 services16 patients

Hemodialysis procedure with physician evaluation 90935

Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.

39 services17 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

34 services34 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

12 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Saint Anthony Hospital

Acute Care Hospitals · Chicago, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140095

Location2875 West 19th StreetChicago, IL 60623 · Cook County

Emergency services Birthing friendly

Rush University Medical Center

Acute Care Hospitals · Chicago, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140119

Location1653 West Congress ParkwayChicago, IL 60612 · Cook County

Emergency services Birthing friendly

Presence Saints Mary And Elizabeth Medical Center

Acute Care Hospitals · Chicago, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140180

Location2233 W Division StChicago, IL 60622 · Cook County

Emergency services Birthing friendly

Humboldt Park Health

Acute Care Hospitals · Chicago, IL

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140206

Location1044 N Francisco AveChicago, IL 60622 · Cook County

Emergency services Birthing friendly

Presence Saint Joseph Hospital - Chicago

Acute Care Hospitals · Chicago, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140224

Location2900 North Lake Shore DriveChicago, IL 60657 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60622 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

$138.86 typical visit price

range $60.08 – $183.39

Typical copayment $34.71 (range $15.02 – $45.84)

Most-billed visit code 99204

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.

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.

Tacrolimus, immediate release, oral, 1 mg J7507

Treatment-Treatment - Miscellaneous · category RX029N

4 suppliers31 claims3,990 services$0.31 avg. paid by Medicare

Mycophenolic acid, oral, 180 mg J7518

Treatment-Treatment - Miscellaneous · category RX029N

1 supplier12 claims2,160 services$0.94 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511

Treatment-Chemotherapy · category RH012N

4 suppliers25 claims25 services$18.92 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512

Treatment-Chemotherapy · category RH012N

2 suppliers26 claims36 services$12.23 avg. paid by Medicare

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

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Other Providers at the Same Location NPPES

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

IZABELLA GURAU MD

Internal Medicine (Nephrology)

2222 W DIVISION ST STE 210
CHICAGO, IL 60622

Cook County (773) 484-4330

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 Ogbonnaya Aneziokoro's NPI number?

The NPI number for Ogbonnaya Aneziokoro is 1104831668. It was assigned to this individual provider in the NPPES registry on July 30, 2006.

Where is Ogbonnaya Aneziokoro located?

Ogbonnaya Aneziokoro practices at 2222 W Division St Ste 210, Chicago, IL 60622. The listed phone number is (773) 227-2004.

What is Ogbonnaya Aneziokoro's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Ogbonnaya Aneziokoro enrolled in Medicare?

Yes. Ogbonnaya Aneziokoro 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 Ogbonnaya Aneziokoro accept?

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

According to CMS data, Ogbonnaya Aneziokoro is affiliated with Saint Anthony Hospital, Rush University Medical Center, Presence Saints Mary And Elizabeth Medical Center, Humboldt Park Health and Presence Saint Joseph Hospital - Chicago.

When was this NPI record last updated?

The NPPES record for Ogbonnaya Aneziokoro was last updated on March 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.