Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

IKE ARMSTRONG ONWERE MD
NPI 1467454025
Internal Medicine - Hematology & Oncology in Newark, DE

Active since August 12, 2005PECOS Enrolled
4701 OGLETOWN STANTON RD STE 2300, NEWARK, DE 19713(302) 731-7782(302) 738-5917 Get Directions Write a Review

NPPES record last updated: September 22, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Sep 22, 2026, Mar 1, 2016 (2 updates tracked since 2016).

About Ike Armstrong Onwere Md NPPES

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

IKE ARMSTRONG ONWERE MD (NPI 1467454025) is an individual hematology & oncology provider in Newark, Delaware, licensed in Delaware (C1-0029874) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Mercy Health - Tiffin Hospital, and is a graduate of Wright State University Boonshoft School Of Medicine (2001).

NPPES Registry Identity

NPI1467454025
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameIKE ARMSTRONG ONWERECredential: MD
Location Address4701 OGLETOWN STANTON RD STE 2300Newark, DE 19713-7010
Mailing Address4701 Ogletown Stanton Rd Ste 2300Newark, DE 19713-7010 · (302) 731-7782 · Fax (302) 738-5917
Fax(302) 738-5917
Sole ProprietorNo
Medical School CMSWright State University Boonshoft School Of MedicineGraduated 2001
Enumeration DateAugust 12, 2005
Last NPPES UpdateSeptember 22, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 22, 2026
✔ NPI 1467454025 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Licenses✔ Licensed in DE · C1-0029874✔ Licensed in MD · D0106763✔ Licensed in OR · MD150690
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
4701 OGLETOWN STANTON RD STE 2300, Newark, DE 19713

Accepted 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

Ike Armstrong Onwere 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 ID2163492026
PECOS Enrollment IDI20220630002001
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 6

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.

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.
636 services170 patients
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
127 services56 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.
123 services93 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.
53 services23 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.
47 services47 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.
26 services24 patients

Hospital Affiliations CMS Care Compare 4

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

Mercy Health - Tiffin Hospital

Acute Care Hospitals · Tiffin, OH
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number360089
Location45 St Lawrence DriveTiffin, OH 44883 · Seneca County
Emergency services Birthing friendly

Blanchard Valley Hospital

Acute Care Hospitals · Findlay, OH
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number360095
Location1900 South Main StreetFindlay, OH 45840 · Hancock County
Birthing friendly

Bluffton Hospital

Critical Access Hospitals · Bluffton, OH
OwnershipVoluntary non-profit - Private
CMS Certification Number361322
Location139 Garau StreetBluffton, OH 45817 · Allen County
Emergency services

Wyandot Memorial Hospital

Critical Access Hospitals · Upper Sandusky, OH
OwnershipGovernment - Hospital District or Authority
CMS Certification Number361329
Location885 North Sandusky AvenueUpper Sandusky, OH 43351 · Wyandot County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19713 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
$173.08 typical visit price
range $57.12 – $173.08
Typical copayment $43.27 (range $14.28 – $43.27)
Most-billed visit code 99205
Established Patient
$100.68 typical visit price
range $18.36 – $141.05
Typical copayment $25.17 (range $4.59 – $35.26)
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 6

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

Internal Medicine (Hematology)
4701 OGLETOWN STANTON RD STE 2300
NEWARK, DE 19713
Internal Medicine (Hematology & Oncology)
4701 OGLETOWN STANTON RD STE 2300
NEWARK, DE 19713
Internal Medicine (Hematology & Oncology)
4701 OGLETOWN STANTON RD STE 2300
NEWARK, DE 19713
Nurse Practitioner (Family)
4701 OGLETOWN STANTON RD STE 2300
NEWARK, DE 19713
Physician Assistant
4701 OGLETOWN STANTON RD STE 2300
NEWARK, DE 19713
Nurse Practitioner
4701 OGLETOWN STANTON RD STE 2300
NEWARK, DE 19713

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 Ike Onwere's NPI number?

The NPI number for Ike Onwere is 1467454025. It was assigned to this individual provider in the NPPES registry on August 12, 2005.

Where is Ike Onwere located?

Ike Onwere practices at 4701 Ogletown Stanton Rd Ste 2300, Newark, DE 19713. The listed phone number is (302) 731-7782.

What is Ike Onwere's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Ike Onwere enrolled in Medicare?

Yes. Ike Onwere 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 Ike Onwere accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 3 other insurers list Ike Onwere 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 Ike Onwere affiliated with any hospitals?

According to CMS data, Ike Onwere is affiliated with Mercy Health - Tiffin Hospital, Blanchard Valley Hospital, Bluffton Hospital and Wyandot Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Ike Onwere was last updated on September 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days 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.