Dennis Costis, DDS
Dentist · Arlington Heights, IL
Dennis Costis, DDS is a dentist with a practice address in Arlington Heights, Illinois, and NPI 1962659797, issued on Aug 22, 2008. Check the license (Illinois 019019202, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Dennis Costis
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 019019202 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1792 S Arlington Heights RD, Arlington Heights, IL 60005
- Phone
- (847) 806-6100
- Enumerated
- Aug 22, 2008
- Record last updated
- Aug 22, 2008 (not updated in 18 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 →
Verify Dennis Costis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 019019202Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average dentist in 2024
20 Medicare Part D claims for 14 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
- Amoxicillin17 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.
Dennis Costis among 4,522 dentist records in Illinois
Dennis Costis, 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 2008, is newer than 38% of them.
- NPI issued2008 · 38% of these records are older, 54% 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 updated2008 · 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).
43 dentist records list a practice address in Arlington Heights
They are 43 of the 2,697 NPPES records with a practice address in Arlington Heights, and 4,522 dentist records in Illinois.
All 4,522 in Illinois → Every provider in Arlington Heights → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- John Cavers, DDSArlington Heights, IL 600051912059452
- Peter Chemello, DDSArlington Heights, IL 600051386701837
- Willis Jensen, DDSArlington Heights, IL 600051710979125
- James Kakos, DDS FAGDArlington Heights, IL 600051487721098
- Namchul Kim, DDSArlington Heights, IL 600051366591786
- Robert Knupp, D.D.S.Arlington Heights, IL 600051700991080
- Mark Koller, DDSArlington Heights, IL 600051841357522
- Mitchell Maczko, DMDArlington Hgts, IL 600051053487983
Common questions
What is Dennis Costis, DDS's NPI number?
Dennis Costis, DDS's National Provider Identifier (NPI) is 1962659797, issued on Aug 22, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Dennis Costis, DDS located?
The NPPES record lists a practice address at 1792 S Arlington Heights RD, Arlington Heights, IL, 60005. Phone: (847) 806-6100. Providers update this record themselves, so call before visiting.
How can I verify Dennis Costis, DDS's license?
NPPES lists Illinois license number 019019202, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Dennis Costis, DDS prescribe under Medicare Part D?
In 2024, Dennis Costis, DDS had 20 Medicare Part D claims for 14 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.