Yoosuk Ko, DDS
Dentist · Peoria, IL
Yoosuk Ko, DDS is a dentist with a practice address in Peoria, Illinois, and NPI 1861915506, issued on Jul 25, 2017. Check the license (Illinois 019031288, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Yoosuk Ko
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 019031288 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1403 W Glen Ave, Peoria, IL 61614
- Phone
- (888) 988-4066
- Enumerated
- Jul 25, 2017
- Record last updated
- Jul 25, 2017 (not updated in 9 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 4,522 in Illinois → Look up another NPI →
Also registered at 1403 W Glen Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Charlotte JakkulaDentist1386161248
- Mangayarkarasi Mathiyazhagan, DDSGeneral Practice Dentistry1225384480
- Claudia Nyoh-Tabi, STUDENTGeneral Practice Dentistry1174378269
Verify Yoosuk Ko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 019031288Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average dentist in 2024
68 Medicare Part D claims for 41 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin36 claims
- Ibuprofen23 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.
Yoosuk Ko among 4,522 dentist records in Illinois
Yoosuk Ko, DDS is one of 4,522 dentist records with a practice address in Illinois. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 71% of them.
- NPI issued2017 · 71% of these records are older, 26% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2017 · 74% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
59 dentist records list a practice address in Peoria
They are 59 of the 4,621 NPPES records with a practice address in Peoria, and 4,522 dentist records in Illinois.
All 4,522 in Illinois → Every provider in Peoria → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Joachim Ajala, DMDPeoria, IL 616141619094166
- Maria Boy, DDSPeoria, IL 616141497887194
- Megan Boyd, DMDPeoria, IL 616141003172081
- Wun Chiou, DDSPeoria, IL 616141578731964
- Laura Donlan, D.D.S.Peoria, IL 616141821326190
- Bruce Hillemeyer, D.D.S.Peoria, IL 616141073537411
- Bela Joshi, D.M.DPeoria, IL 616141790912046
- William Kohler, DDSPeoria, IL 616141730219957
Common questions
What is Yoosuk Ko, DDS's NPI number?
Yoosuk Ko, DDS's National Provider Identifier (NPI) is 1861915506, issued on Jul 25, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Yoosuk Ko, DDS located?
The NPPES record lists a practice address at 1403 W Glen Ave, Peoria, IL, 61614. Phone: (888) 988-4066. Providers update this record themselves, so call before visiting.
How can I verify Yoosuk Ko, DDS's license?
NPPES lists Illinois license number 019031288, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Yoosuk Ko, DDS prescribe under Medicare Part D?
In 2024, Yoosuk Ko, DDS had 68 Medicare Part D claims for 41 beneficiaries; the average among dentist prescribers was 86. 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.