Grace Koh, DDS
Periodontics · Buffalo Grove, IL
Grace Koh, DDS is a periodontics with a practice address in Buffalo Grove, Illinois, and NPI 1497769913, issued on Jul 28, 2006. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Grace Koh
- Credential
- DDS
- Primary taxonomy
- Periodontics 1223P0300X
- Practice location
- 1501 W Dundee RD, Buffalo Grove, IL 60089
- Phone
- (847) 818-9950
- Enumerated
- Jul 28, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest periodontics records → All 214 in Illinois → Look up another NPI →
Also registered at 1501 W Dundee RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Arnold Freeman, DDSPeriodontics1083628580
- Robert Hecht, D.D.S.General Practice Dentistry1245339886
- Mark Lind, DDSGeneral Practice Dentistry1801048061
- Jerry Skogmo, LCPCProfessional Counselor1083742738
- Melinda Skogmo, MSW, LCSWClinical Social Worker1245361633
- Alex Striltschuk, DDSDentist1982763355
Verify Grace Koh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average periodontics in 2024
190 Medicare Part D claims for 72 beneficiaries, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 25 claims were for opioids.
Most prescribed
- Amoxicillin77 claims
- Chlorhexidine Gluconate38 claims
- Ibuprofen28 claims
- Acetaminophen-Codeine19 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.
Industry payments in 2024: $312.22
4 payments; by number, the most common kind was food and beverage; the largest payer was Dentsply Sirona Inc. The 2,966 providers of this specialty with any payment received $1,338.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Grace Koh among 214 periodontics records in Illinois
Grace Koh, DDS is one of 214 periodontics records with a practice address in Illinois. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 69% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 72% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223P0300X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Periodontics providers in Illinois
There are 214 periodontics records in Illinois.
All 214 in Illinois → Every provider in Buffalo Grove → Periodontics nationwide →
The 8 periodontics records with the nearest ZIP codes
- Arnold Freeman, DDSBuffalo Grove, IL 600891083628580
- Alan Mincer, D.D.S.Buffalo Grove, IL 600891235306168
- Samer Shaltoni, DMDBuffalo Grove, IL 600891952880684
- James Conway, DDS, MSDGreat Lakes, IL 600881003966904
- Jin Hwang, DMDGreat Lakes, IL 600881225690670
- Floyd Sandlin, DDSGreat Lakes, IL 600881619948858
- Ronald Hartzer, DDSWaukegan, IL 600871295992709
- David Gaston, D.D.S.Waukegan, IL 600851851502033
Common questions
What is Grace Koh, DDS's NPI number?
Grace Koh, DDS's National Provider Identifier (NPI) is 1497769913, issued on Jul 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Grace Koh, DDS located?
The NPPES record lists a practice address at 1501 W Dundee RD, Buffalo Grove, IL, 60089. Phone: (847) 818-9950. Providers update this record themselves, so call before visiting.
How can I verify Grace Koh, DDS's license?
Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Grace Koh, DDS prescribe under Medicare Part D?
In 2024, Grace Koh, DDS had 190 Medicare Part D claims for 72 beneficiaries; the average among periodontics prescribers was 277. 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.