NPPES file of Aug 9, 2026

Oleg Michal Simkovic, D.D.S.

General Practice Dentistry · Fox River Grove, IL

Oleg Michal Simkovic, D.D.S. is a general practice dentistry with a practice address in Fox River Grove, Illinois, and NPI 1609923127, issued on Jan 5, 2007. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1609923127
Name
Oleg Michal Simkovic
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
Practice location
500 School Dr, Fox River Grove, IL 60021
Phone
(847) 639-9300
Enumerated
Jan 5, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(847) 639-7516
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest general practice dentistry records → All 5,276 in Illinois → Look up another NPI →

Verify Oleg Michal Simkovic in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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35% more Medicare Part D claims than the average general practice dentistry in 2024

112 Medicare Part D claims for 42 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Oleg Simkovic112
  2. Specialty average83

Most prescribed

  1. Chlorhexidine Gluconate74 claims
  2. Amoxicillin16 claims
  3. Clindamycin Hcl11 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.

Oleg Michal Simkovic among 5,276 general practice dentistry records in Illinois

Oleg Michal Simkovic, D.D.S. is one of 5,276 general practice dentistry 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 32% of them.

  • NPI issued2007 · 32% of these records are older, 43% 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 updated2007 · 75% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

5 general practice dentistry records list a practice address in Fox River Grove

They are 5 of the 72 NPPES records with a practice address in Fox River Grove, and 5,276 general practice dentistry records in Illinois.

All 5,276 in Illinois → Every provider in Fox River Grove → General Practice Dentistry nationwide →

The 8 general practice dentistry records with the nearest ZIP codes

  1. Rachelle Hardy, DDSFox River Grove, IL 600211598816761
  2. John Reader, D.D.S.Fox River Grove, IL 600211548284250
  3. Bryan Stahl, DDSFox River Grove, IL 600211154431765
  4. Michael Zgoba, D.D.S.Fox River Grove, IL 600211790828523
  5. Michael Bobrow, DDSGlencoe, IL 600221639385628
  6. Daniel Choo, D.D.S.Fox Lake, IL 600201194737759
  7. Carlton Hagstrom, D.D.S.Fox Lake, IL 600201144243585
  8. Robert Savin, DDSGlencoe, IL 600221033329271

Common questions

What is Oleg Michal Simkovic, D.D.S.'s NPI number?

Oleg Michal Simkovic, D.D.S.'s National Provider Identifier (NPI) is 1609923127, issued on Jan 5, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Oleg Michal Simkovic, D.D.S. located?

The NPPES record lists a practice address at 500 School Dr, Fox River Grove, IL, 60021. Phone: (847) 639-9300. Providers update this record themselves, so call before visiting.

How can I verify Oleg Michal Simkovic, D.D.S.'s license?

Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Oleg Michal Simkovic, D.D.S. prescribe under Medicare Part D?

In 2024, Oleg Michal Simkovic, D.D.S. had 112 Medicare Part D claims for 42 beneficiaries; the average among general practice dentistry prescribers was 83. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.