Cal W. Harmon, DMD
General Practice Dentistry · Collinsville, IL
Cal W. Harmon, DMD is a general practice dentistry with a practice address in Collinsville, Illinois, and NPI 1043662042, issued on Jul 1, 2016. Check the license (Illinois 019030731, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Cal W. Harmon
- Credential
- DMD
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 019030731 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1099 Belt Line RD, Collinsville, IL 62234
- Phone
- (618) 346-2006
- Enumerated
- Jul 1, 2016
- Record last updated
- Jul 1, 2016 (not updated in 10 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 1099 Belt Line RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Brubaker, DMDGeneral Practice Dentistry1205940681
- Laura Hahn, D.M.DDentist1477749885
- Ronald Weems, D.M.DGeneral Practice Dentistry1073501672
Verify Cal W. Harmon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 019030731Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average general practice dentistry in 2024
191 Medicare Part D claims for 96 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. 16 claims were for opioids.
Most prescribed
- Amoxicillin89 claims
- Chlorhexidine Gluconate27 claims
- Clindamycin Hcl13 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: $9.23
1 payment: food and beverage; the largest payer was Ultradent Products Inc. The 41,669 providers of this specialty with any payment received $597.01 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.
9 general practice dentistry records list a practice address in Collinsville
They are 9 of the 233 NPPES records with a practice address in Collinsville, and 5,276 general practice dentistry records in Illinois.
All 9 in Collinsville → All 5,276 in Illinois → Every provider in Collinsville →
Other general practice dentistry records in Illinois
- Kelli Aaby, DDSLoves Park, IL1508090481
- Khadija Aamir Sulemanjee, DMDSkokie, IL1205493269
- Mohammad Abbas, DDSNorthlake, IL1013975531
- Abdullah Abd EssamadChicago, IL1528848066
- Samer Abdallah, DDSPalatine, IL1487092706
- Dana Abdeddin, DDSPalos Heights, IL1083442768
- Hossam AbdelsalamElgin, IL1184248213
- Naser Abdelsalam, DMDChicago, IL1528740875
- Tawfik Abdul DayemNaperville, IL1003536269
- Osaamah Abdulla, DMDBlue Island, IL1083407886
Common questions
What is Cal W. Harmon, DMD's NPI number?
Cal W. Harmon, DMD's National Provider Identifier (NPI) is 1043662042, issued on Jul 1, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Cal W. Harmon, DMD located?
The NPPES record lists a practice address at 1099 Belt Line RD, Collinsville, IL, 62234. Phone: (618) 346-2006. Providers update this record themselves, so call before visiting.
How can I verify Cal W. Harmon, DMD's license?
NPPES lists Illinois license number 019030731, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Cal W. Harmon, DMD prescribe under Medicare Part D?
In 2024, Cal W. Harmon, DMD had 191 Medicare Part D claims for 96 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.
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.