Thomas Arthur Kopp, DDS.
Dentist · Crystal Lake, IL
Thomas Arthur Kopp, DDS. is a dentist with a practice address in Crystal Lake, Illinois, and NPI 1528144607, issued on Oct 31, 2006. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Thomas Arthur Kopp
- Credential
- DDS.
- Primary taxonomy
- Dentist 122300000X
- Practice location
- 690 N IL Route 31, Crystal Lake, IL 60012
- Phone
- (815) 477-4055
- Enumerated
- Oct 31, 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 dentist records → All 4,522 in Illinois → Look up another NPI →
Also registered at 690 N IL Route 31
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Fred Fitzpatrick, D.D.S.Pediatric Dentistry1063526796
- Jack Harris, DMDOral and Maxillofacial Surgery (Dentist)1427706035
- Dennis McDowell, D.D.S.Dentist1720150097
- Candace Opon, D.D.S.General Practice Dentistry1053603365
Verify Thomas Arthur Kopp 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
9% fewer Medicare Part D claims than the average dentist in 2024
78 Medicare Part D claims for 60 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
- Amoxicillin58 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.
Thomas Arthur Kopp among 4,522 dentist records in Illinois
Thomas Arthur Kopp, 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 81% 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 · 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).
19 dentist records list a practice address in Crystal Lake
They are 19 of the 1,442 NPPES records with a practice address in Crystal Lake, and 4,522 dentist records in Illinois.
All 4,522 in Illinois → Every provider in Crystal Lake → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Rachel Ehlers, DDSCrystal Lake, IL 600121245924810
- Joseph Frazier, DDSCrystal Lake, IL 600121467537332
- Dennis McDowell, D.D.S.Crystal Lake, IL 600121720150097
- Paul Palliser, D.D.S.Cary, IL 600131982865465
- Niraj Patel, DDSCary, IL 600131508925561
- Michael Reilly, D.D.S.Cary, IL 600131770825598
- McKaila Santos, DMDCary, IL 600131134811839
- Thomas Skleba, D.D.S.Cary, IL 600131407074149
Common questions
What is Thomas Arthur Kopp, DDS.'s NPI number?
Thomas Arthur Kopp, DDS.'s National Provider Identifier (NPI) is 1528144607, issued on Oct 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Arthur Kopp, DDS. located?
The NPPES record lists a practice address at 690 N IL Route 31, Crystal Lake, IL, 60012. Phone: (815) 477-4055. Providers update this record themselves, so call before visiting.
How can I verify Thomas Arthur Kopp, DDS.'s license?
Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Thomas Arthur Kopp, DDS. prescribe under Medicare Part D?
In 2024, Thomas Arthur Kopp, DDS. had 78 Medicare Part D claims for 60 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.