Multiple Endocrine Neoplasia Type 1Multiple Endocrine NeoplasiaAlpelisibFulvestrant
Dr. Ike Armstrong Onwere, MD
NPI1467454025PAC ID2163492026
- Medicare services, 2024
- 1,012
- Medicare patients, 2024
- 214
- Part D claims, 2024
- 1,644
- Clinical trials
- 1
- Hospital affiliations
- 4
- Practice address
- 1900 South Main Street, Findlay, OH 45840
- Practice phone
- Call (419) 423-4500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Onwere's professional email, personal email and mobile number
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Dr. Ike Armstrong Onwere is a hematologist and oncologist in Findlay, Ohio
Dr. Onwere practices at Blanchard Valley Hospital in Findlay, Ohio, part of Blanchard Valley Health System.
Dr. Onwere's NPI, 1467454025, was assigned on August 12, 2005. Dr. Onwere graduated from Wright State University Boonshoft School of Medicine in 2001. Dr. Onwere holds Oregon license MD150690.
NPI and contact details
- NPI
- 1467454025NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2163492026
- NPI enumeration date
- August 12, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (419) 423-4500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ike Armstrong Onwere practices at Blanchard Valley Hospital in Findlay, Ohio
Dr. Onwere's primary practice is Blanchard Valley Hospital, at 1900 South Main Street, Findlay, OH 45840 in Hancock County. The practice phone is (419) 423-4500.
- Blanchard Valley Hospital1900 South Main Street, Findlay, OH 45840 · Hancock CountyPhone(419) 423-4500
Source: Dmand AI Affiliation Data
Dr. Ike Armstrong Onwere is affiliated with 4 sites of care and 2 medical groups
Dr. Onwere's primary practice is Blanchard Valley Hospital in Findlay, Ohio, part of Blanchard Valley Health System. Dr. Onwere is also affiliated with Mercy Health - Tiffin Hospital. The medical group on file is Blanchard Valley Hospital. Dmand AI also links Dr. Onwere to 2 more hospitals and 1 medical group, each named with a free account. Dr. Onwere's employer is on file too: a hospital.
Mercy Health - Tiffin HospitalBlanchard Valley Hospital2 hospitalsNames with a free account1 medical groupName with a free accountEmployer: hospitalName with a free account
See all 6 affiliations for Dr. OnwereSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ike Armstrong Onwere's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Onwere practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Blanchard Valley Hospital | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Ike Armstrong Onwere is one of 460 hematologists and oncologists in Ohio
Hematology and oncology is Dr. Onwere's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Onwere is licensed in Oregon.
Specialties and state licenses
- Hematology and oncology, OregonPrimary
Hematologists and oncologists near Dr. Onwere
Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.
460hematologists and oncologists in Ohio
4hematologists and oncologists in Findlay
4hematologists and oncologists at Blanchard Valley HospitalSources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ike Armstrong Onwere billed Medicare for 1,012 services in 2024
CMS data shows 1,012 Medicare services from Dr. Onwere across 6 procedure codes in 2024, for 214 Medicare patients. Medicare paid $100,009 for them.
Medicare services, 20241,012
Medicare patients214
Paid by Medicare$100,009
Procedure codes6
Dr. Onwere's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7512024: 88518%
- Other services
- 2023: 02024: 127
Where Dr. Onwere's Medicare services took place, 2024
- In an office93392%
- In a facility798%
Dr. Onwere compared with the Ohio median for hematologists and oncologists, 2024
- Dr. Onwere
- Ohio median
- Medicare services
- 1,012vs 62662% above
- Medicare patients
- 214vs 2349% below
- Part D claims
- 1,379vs 4782.9 times
Medians across 452 hematologists and oncologists in Ohio with Dmand AI profiles that report each measure.
Dr. Onwere's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Onwere and other hematologists and oncologists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ike Armstrong Onwere treated 214 Medicare patients in 2024, average age 74
CMS counts 214 Medicare patients who saw Dr. Onwere in 2024. The largest group is 65 to 74, with 103 patients. 75% of them have high blood pressure, and 65% have high cholesterol. 8% are also on Medicaid. Their average risk score is 2.14, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Onwere's median patient age at 71, with 53% women.
Medicare patients, 2024214
Average age74
Average risk score2.14
Also on Medicaid8%
Dr. Onwere's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Onwere's Medicare patients by sex, 2024
- Women10750%
- Men10750%
Chronic conditions among Dr. Onwere's Medicare patients, 2024
- High blood pressure75%
- High cholesterol65%
- Cancer53%
- Arthritis49%
- Chronic kidney disease36%
- Diabetes32%
- Depression29%
- Ischemic heart disease29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Onwere's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ike Armstrong Onwere wrote 1,644 Medicare Part D claims in 2024
In 2024, Dr. Onwere wrote 1,644 Medicare Part D claims for 192 patients. 79% of them were for generic drugs. CMS names the drug for 1,379 of them, across 40 drugs with 11 or more claims each, at $1,530,726 in total drug cost. In 2023, CMS named 975 claims across 34 drugs.
Part D claims, 20241,644
Drugs named by CMS40
Total drug cost$1.5M
Part D patients192
Dr. Onwere's Part D claims by kind of drug, 2024
- Generic1,294 claims79%
- Brand-name and other350 claims21%
Dr. Onwere's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Onwere's Part D claims, 2024
- Opioids3%46 of 1,644 claims
- Antibiotics12%190 of 1,644 claims
- Antipsychotics, patients 65 and over2%36 of 1,644 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 9752024: 1,37941%
Drugs named by CMS: 40 in 2024, 34 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Ike Armstrong Onwere takes part in Medicare
Dr. Onwere accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Ike Armstrong Onwere has worked on 1 clinical trial
Dmand AI links Dr. Onwere to 1 clinical trial. Conditions studied include Multiple Endocrine Neoplasia Type 1 and Multiple Endocrine Neoplasia.
Conditions in Dr. Onwere's trials
- Multiple Endocrine Neoplasia Type 1
- Multiple Endocrine Neoplasia
Investigators on the most trials with Dr. Onwere
- Lakshmi Aggarwal, MD1 shared trial
- Ricardo Hugo Alvarez, MD1 shared trial
- J Thaddeus Beck, FACP, MD1 shared trial
Recent clinical trials with Dr. Onwere
Sources: ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ike Armstrong Onwere received $42,654 in industry payments from 2016 to 2025
CMS Open Payments shows 481 general payments to Dr. Onwere from 62 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 59% of the total. Bayer HealthCare Pharmaceuticals Inc. paid the most, $13,021.
General payments to Dr. Onwere by program year, 2016 to 2025
General payments to Dr. Onwere by kind, 2016 to 2025
$42.7Kin total
- Consulting fees$25,33559%
- Food and beverage$9,45922%
- Travel and lodging$4,63911%
- Speaker and faculty fees$2,1255%
- Education$1,0953%
Companies that paid Dr. Onwere the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ike Armstrong Onwere graduated from Wright State University Boonshoft School of Medicine
Dr. Onwere graduated from Wright State University Boonshoft School of Medicine in 2001.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ike Armstrong Onwere's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ike Armstrong Onwere
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Ike Armstrong Onwere's NPI number?
Dr. Ike Armstrong Onwere's NPI number is 1467454025. It was assigned on August 12, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Ike Armstrong Onwere?
Dr. Ike Armstrong Onwere is a hematologist and oncologist in Findlay, Ohio. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Ike Armstrong Onwere practice?
Dr. Onwere practices at 1900 South Main Street, Findlay, OH 45840. Dr. Onwere's primary practice is Blanchard Valley Hospital in Findlay, Ohio, part of Blanchard Valley Health System. Dmand AI also links Dr. Onwere to 2 hospitals and 1 medical group.
What is Dr. Ike Armstrong Onwere's office phone number?
The practice phone on file for Dr. Onwere is (419) 423-4500.
What is Dr. Ike Armstrong Onwere's medical license number?
Dr. Onwere holds Oregon license MD150690.
Which hospitals is Dr. Ike Armstrong Onwere affiliated with?
Dr. Onwere practices at Blanchard Valley Hospital in Findlay, Ohio. Dr. Onwere is also affiliated with Mercy Health - Tiffin Hospital. Dmand AI links Dr. Onwere to 2 more hospitals.
What medical group is Dr. Ike Armstrong Onwere part of?
Dr. Onwere is linked to Blanchard Valley Hospital. Dmand AI links Dr. Onwere to 1 more medical group.
Does Dr. Ike Armstrong Onwere accept Medicare?
Yes. CMS data shows Dr. Onwere billed Medicare for 1,012 services in 2024, and Dr. Onwere accepts Medicare assignment.
How many Medicare patients does Dr. Ike Armstrong Onwere see?
CMS counts 214 Medicare patients who saw Dr. Onwere in 2024, with an average age of 74.
What services does Dr. Ike Armstrong Onwere bill to Medicare?
In 2024, Dr. Onwere's most billed Medicare services were office visit, established patient (99215), medicare service (G2212) and office visit, established patient (99214).
Show 5 more questionsShow fewer questions
Where did Dr. Ike Armstrong Onwere go to medical school?
Dr. Onwere graduated from Wright State University Boonshoft School of Medicine in 2001.
What drugs does Dr. Ike Armstrong Onwere prescribe most?
In 2024 Medicare Part D data, Dr. Onwere's most prescribed drugs by claims were Eliquis, Ondansetron HCl and Anastrozole.
Has Dr. Ike Armstrong Onwere received payments from drug or device companies?
CMS Open Payments shows $42,654 in general payments to Dr. Onwere from 62 companies from 2016 to 2025. The largest total came from Bayer HealthCare Pharmaceuticals Inc.
How long has Dr. Ike Armstrong Onwere been practicing?
Dr. Onwere graduated from medical school in 2001, 25 years ago.
Does Dr. Ike Armstrong Onwere do research?
Dr. Onwere has worked on 1 clinical trial.
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