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ONYEDIKA JOHN ILONZE MD
NPI 1174752554
Internal Medicine - Cardiovascular Disease in Indianapolis, IN

Active since July 07, 2009PECOS EnrolledAccepts Medicare Assignment
1801 N. SENATE BLVD, SUITE 2000, INDIANAPOLIS, IN 46202(317) 962-9700(317) 962-9657 Get Directions Write a Review

NPPES record last updated: March 10, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 10, 2025, Mar 12, 2021, Aug 5, 2020 and 2 more (5 updates tracked since 2017).

About Onyedika John Ilonze Md NPPES

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

ONYEDIKA JOHN ILONZE MD (NPI 1174752554) is an individual cardiovascular disease provider in Indianapolis, Indiana, licensed in Indiana (01084377A) and active in the NPI registry since July 2009. He is enrolled in Medicare PECOS, is affiliated with Eskenazi Health, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1174752554
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameONYEDIKA JOHN ILONZECredential: MD
Location Address1801 N. SENATE BLVD, SUITE 2000Indianapolis, IN 46202
Mailing Address250 N Shadeland AveIndianapolis, IN 46219-4959
Phone(317) 962-9700
Fax(317) 962-9657
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateJuly 7, 2009
Last NPPES UpdateMarch 10, 20255 updates tracked since enumeration
NPPES CertifiedMarch 10, 2025
✔ NPI 1174752554 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in IN · 01084377A
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Also ListedInternal MedicineTaxonomy 207R00000X · License 01084377A (IN), 2012-01373 (NC)
Also ListedInternal Medicine · Advanced Heart Failure and Transplant CardiologyTaxonomy 207RA0001X · License 01084377A (IN), E-11428 (AR)
Also ListedHospitalistTaxonomy 208M00000X · License 2012-01373 (NC)
1801 N. SENATE BLVD, Indianapolis, IN 46202
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1Medical Center BlvdWinston Salem, NC 27157-0001 · Phone (336) 716-2011
Location 21701 N Senate BlvdIndianapolis, IN 46202-1239 · Phone (888) 484-3258

Other Identifiers 3

Medicaid300040994IN
Other000001418806IN · Anthem Ptan
Other000001422091IN · Anthem Ptan

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource, UnitedHealthcare.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

Onyedika John Ilonze 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 ID9830346451
PECOS Enrollment IDI20200804002863
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 9

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.

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.
134 services31 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.
128 services39 patients
Evaluation of lower heart chamber assist device 93750
An evaluation of a lower heart chamber assist device is a procedure to check the function of an implanted device aiding your heart's lower chambers. This helps ensure optimal heart function by monitoring the device's performance and your heart's response to it.
95 services20 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
73 services53 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
39 services39 patients
Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152
This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.
21 services12 patients

Hospital Affiliations CMS Care Compare 2

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

Eskenazi Health

Acute Care Hospitals · Indianapolis, IN
3/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number150024
Location720 Eskenazi AvenueIndianapolis, IN 46202 · Marion County
Emergency services Birthing friendly

Indiana University Health

Acute Care Hospitals · Indianapolis, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150056
Location1701 N Senate BlvdIndianapolis, IN 46202 · Marion County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46202 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
$122.49 typical visit price
range $53.07 – $161.76
Typical copayment $30.62 (range $13.26 – $40.44)
Most-billed visit code 99204
Established Patient
$66.48 typical visit price
range $16.93 – $132.22
Typical copayment $16.62 (range $4.23 – $33.05)
Most-billed visit code 99213
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 8

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

Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately) A4221
DME-Other DME · category DE017N
1 supplier19 claims46 services$14.87 avg. paid by Medicare
Infusion supplies for external drug infusion pump, per cassette or bag (list drugs separately) A4222
DME-Medical/Surgical Supplies · category DA000N
1 supplier19 claims412 services$29.15 avg. paid by Medicare
Injection, treprostinil, 1 mg J3285
Treatment-Injections and Infusions (nononcologic) · category RI026N
1 supplier19 claims1,650 services$44.09 avg. paid by Medicare
Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier11 claims990 services$0.32 avg. paid by Medicare
Mycophenolate mofetil, oral, 250 mg J7517
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier11 claims1,320 services$0.20 avg. paid by Medicare
Infusion pump used for uninterrupted parenteral administration of medication, (e.g., epoprostenol or treprostinol) K0455
DME-Other DME · category DE000N
1 supplier12 claims12 services$255.99 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

ANKIT AJIT DESAI MD
Internal Medicine (Cardiovascular Disease)
1801 N. SENATE BLVD, SUTIE 2000
INDIANAPOLIS, IN 46202
Marion County (317) 962-9700
SHELLEY R PATTISON NP
Nurse Practitioner
1801 N. SENATE BLVD, SUITE 310
INDIANAPOLIS, IN 46202
Marion County (317) 962-2500
MRS. ANGELA FAY ROSS B.S., MSPAS
Physician Assistant (Medical)
1801 N. SENATE BLVD, SUITE 355
INDIANAPOLIS, IN 46202
Marion County (317) 924-8425
DR. JOSHUA AARON WATERS MD
Colon & Rectal Surgery
1801 N. SENATE BLVD
INDIANAPOLIS, IN 46202
Marion County (317) 963-1400
ROBERTO FERREIRA P. MACHADO MD
Internal Medicine (Pulmonary Disease)
1801 N. SENATE BLVD, SUITE 2000
INDIANAPOLIS, IN 46202
Marion County (317) 962-9700

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 Onyedika Ilonze's NPI number?

The NPI number for Onyedika Ilonze is 1174752554. It was assigned to this individual provider in the NPPES registry on July 7, 2009.

Where is Onyedika Ilonze located?

Onyedika Ilonze practices at 1801 N. Senate Blvd Suite 2000, Indianapolis, IN 46202. The listed phone number is (317) 962-9700.

What is Onyedika Ilonze's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Onyedika Ilonze enrolled in Medicare?

Yes. Onyedika Ilonze 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 Onyedika Ilonze accept?

Health plans from CareSource and UnitedHealthcare list Onyedika Ilonze 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 Onyedika Ilonze affiliated with any hospitals?

According to CMS data, Onyedika Ilonze is affiliated with Eskenazi Health and Indiana University Health.

When was this NPI record last updated?

The NPPES record for Onyedika Ilonze was last updated on March 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.