Susan Jiyoung Oh, DDS
Dentist · Grayslake, IL
Susan Jiyoung Oh, DDS is a dentist with a practice address in Grayslake, Illinois, and NPI 1306968326, issued on Apr 3, 2007. Check the license (Illinois 019-025715, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Susan Jiyoung Oh
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 019-025715 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1227 N Illinois 83 #E, Grayslake, IL 60030
- Phone
- (847) 548-2222
- Enumerated
- Apr 3, 2007
- Record last updated
- Jul 2, 2020 (not updated in 6 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 →
Verify Susan Jiyoung Oh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 019-025715Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average dentist in 2024
11 Medicare Part D claims, 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
- Amoxicillin11 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.
Susan Jiyoung Oh among 4,522 dentist records in Illinois
Susan Jiyoung Oh, 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 2007, is newer than 19% of them.
- NPI issued2007 · 19% of these records are older, 62% 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 updated2020 · 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).
8 dentist records list a practice address in Grayslake
They are 8 of the 572 NPPES records with a practice address in Grayslake, and 4,522 dentist records in Illinois.
All 4,522 in Illinois → Every provider in Grayslake → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Jonathan FlaksmanGrayslake, IL 600301437609955
- Yaroslav German, DMDGrayslake, IL 600301134280845
- Cassidy Phagan, DDSGrayslake, IL 600301790338853
- Elizabeth Schaik, D.D.S.Grayslake, IL 600301841603354
- Patricia Schweitzer, DDSGrayslake, IL 600301831651538
- Eric Smyth, DDSGrayslake, IL 600301831341510
- Elaine Winegard, D.M.D.Grayslake, IL 600301770562472
- Duc Chung, DDSGurnee, IL 600311881795656
Common questions
What is Susan Jiyoung Oh, DDS's NPI number?
Susan Jiyoung Oh, DDS's National Provider Identifier (NPI) is 1306968326, issued on Apr 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Susan Jiyoung Oh, DDS located?
The NPPES record lists a practice address at 1227 N Illinois 83 #E, Grayslake, IL, 60030. Phone: (847) 548-2222. Providers update this record themselves, so call before visiting.
How can I verify Susan Jiyoung Oh, DDS's license?
NPPES lists Illinois license number 019-025715, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Susan Jiyoung Oh, DDS prescribe under Medicare Part D?
In 2024, Susan Jiyoung Oh, DDS had 11 Medicare Part D claims; 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.