Kate Anayochukwu Onyibor, M.D.
Geriatric Medicine (Internal Medicine) Physician · South Elgin, IL
Kate Anayochukwu Onyibor, M.D. is a geriatric medicine (internal medicine) physician with a practice address in South Elgin, Illinois, and NPI 1801895701, issued on Jul 21, 2005. Check the license (Illinois 036-107699, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Kate Anayochukwu Onyibor
- Credential
- M.D.
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- 036-107699 IL
Self-reported in NPPES; status is on the state search - Practice location
- 746 W Spring St, South Elgin, IL 60177
- Phone
- (224) 357-6997
- Enumerated
- Jul 21, 2005
- Record last updated
- Feb 20, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (224) 227-7312
- Medicaid ID
- 036-107699 IL
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 179 in Illinois → Look up another NPI →
Verify Kate Anayochukwu Onyibor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-107699Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
1,014 Medicare Part D claims for 17 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D.
Most prescribed
- Lacosamide50 claims
- Tradjenta50 claims
- Basaglar Kwikpen U-10047 claims
- Warfarin Sodium42 claims
- Furosemide38 claims
- Levothyroxine Sodium37 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Kate Anayochukwu Onyibor among 179 geriatric medicine (internal medicine) physician records in Illinois
Kate Anayochukwu Onyibor, M.D. is one of 179 geriatric medicine (internal medicine) physician records with a practice address in Illinois. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 42% of these records are
- Record last updated2020 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Illinois
There are 179 geriatric medicine (internal medicine) physician records in Illinois.
All 179 in Illinois → Every provider in South Elgin → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Safder Mohsin, MDSchaumburg, IL 601731962428995
- Paul Chiang, MDWheaton, IL 601871902831696
- Samir Bhalla, MDHillside, IL 601621922365170
- Sayeeda Yasmin, M.DHillside, IL 601621558409243
- Peter Jaggard, MDEvanston, IL 602011639148372
- Myles Sheehan, MDMaywood, IL 601531184699753
- Margaret Baumann, M.D.Hines, IL 601411912099565
- Jack Bulmash, M.D.Hines, IL 601411700864725
Common questions
What is Kate Anayochukwu Onyibor, M.D.'s NPI number?
Kate Anayochukwu Onyibor, M.D.'s National Provider Identifier (NPI) is 1801895701, issued on Jul 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Kate Anayochukwu Onyibor, M.D. located?
The NPPES record lists a practice address at 746 W Spring St, South Elgin, IL, 60177. Phone: (224) 357-6997. Providers update this record themselves, so call before visiting.
How can I verify Kate Anayochukwu Onyibor, M.D.'s license?
NPPES lists Illinois license number 036-107699, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kate Anayochukwu Onyibor, M.D. prescribe under Medicare Part D?
In 2024, Kate Anayochukwu Onyibor, M.D. had 1,014 Medicare Part D claims for 17 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.