Registry data as of Aug 27, 2026

Colin O'Kasick, DMD

General Practice Dentistry · Geneva, IL

Colin O'Kasick, DMD is a general practice dentistry with a practice address in Geneva, Illinois, and NPI 1184466914, issued on Jun 11, 2024. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1184466914
Name
Colin O'Kasick
Credential
DMD
Primary taxonomy
General Practice Dentistry 1223G0001X
Practice location
112 N 4TH St, Geneva, IL 60134
Phone
(630) 232-4076
Enumerated
Jun 11, 2024
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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Also registered at 112 N 4TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Gary Krueger, D.D.S., P.C.General Practice Dentistry1245339233
  2. Allison Wolski, D.M.DDentist1316328529

Verify Colin O'Kasick 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
Find the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

57% fewer Medicare Part D claims than the average general practice dentistry in 2024

36 Medicare Part D claims for 32 beneficiaries, against an average of 84 among the 68,591 providers of this specialty who prescribed in Part D.

  1. Colin O'Kasick36
  2. Specialty average84

Most prescribed

  1. Amoxicillin25 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.

19 general practice dentistry records list a Geneva practice address

They are 19 of the 1,023 NPPES records with a Geneva practice address, and 5,203 general practice dentistry records in Illinois.

Other general practice dentistry records in Illinois

  1. Kelli Aaby, DDSLoves Park, IL1508090481
  2. Khadija Aamir Sulemanjee, DMDSkokie, IL1205493269
  3. Mohammad Abbas, DDSNorthlake, IL1013975531
  4. Abdullah Abd EssamadChicago, IL1528848066
  5. Samer Abdallah, DDSPalatine, IL1487092706
  6. Dana Abdeddin, DDSPalos Heights, IL1083442768
  7. Hossam AbdelsalamElgin, IL1184248213
  8. Naser Abdelsalam, DMDChicago, IL1528740875
  9. Tawfik Abdul DayemNaperville, IL1003536269
  10. Osaamah Abdulla, DMDBlue Island, IL1083407886

Common questions

What is Colin O'Kasick, DMD's NPI number?

Colin O'Kasick, DMD's National Provider Identifier (NPI) is 1184466914, issued on Jun 11, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Colin O'Kasick, DMD located?

The NPPES record lists a practice address at 112 N 4TH St, Geneva, IL, 60134. Phone: (630) 232-4076. Providers update this record themselves, so call before visiting.

How can I verify Colin O'Kasick, DMD's license?

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

How much does Colin O'Kasick, DMD prescribe under Medicare Part D?

In 2024, Colin O'Kasick, DMD had 36 Medicare Part D claims for 32 beneficiaries; the average among general practice dentistry prescribers was 84. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.