Steven Casimir Tharp, D.D.S.
Dentist · Darien, IL
Steven Casimir Tharp, D.D.S. is a dentist with a practice address in Darien, Illinois, and NPI 1902117708, issued on Jun 25, 2010. Check the license (Illinois 019.028356, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Steven Casimir Tharp
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License number
- 019.028356 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2551 75TH St, Darien, IL 60561
- Phone
- (630) 528-0808
- Enumerated
- Jun 25, 2010
- Record last updated
- Sep 15, 2025
- Entity
- Type 1 · individual
8 nearest dentist records → All 4,522 in Illinois → Look up another NPI →
Verify Steven Casimir Tharp in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 019.028356Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average dentist in 2024
15 Medicare Part D claims, 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.
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: $2,192.00
8 payments; by number, the most common kind was travel and lodging; the largest payer was Benco Dental Supply Co. The 31,974 providers of this specialty with any payment received $540.36 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.
Steven Casimir Tharp among 4,522 dentist records in Illinois
Steven Casimir Tharp, D.D.S. 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 2010, is newer than 50% of them.
- NPI issued2010 · 50% of these records are older, 47% 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 updated2025 · 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).
9 dentist records list a practice address in Darien
They are 9 of the 389 NPPES records with a practice address in Darien, and 4,522 dentist records in Illinois.
All 4,522 in Illinois → Every provider in Darien → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Sura Al Saadi, DMDDarien, IL 605611487222980
- Nadia Arain, DDSDarien, IL 605611912152349
- Bana Atassi, DDSDarien, IL 605611316122344
- Neel Goyal, DMDDarien, IL 605611053979716
- Suzanne Kasang, DDSDarien, IL 605611467556530
- Belsam Kashlan, DDSDarien, IL 605611164616850
- Abdalhameed MadwarDarien, IL 605611831688977
- Shamkant Sheth, DDSDarien, IL 605611619194982
Common questions
What is Steven Casimir Tharp, D.D.S.'s NPI number?
Steven Casimir Tharp, D.D.S.'s National Provider Identifier (NPI) is 1902117708, issued on Jun 25, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Steven Casimir Tharp, D.D.S. located?
The NPPES record lists a practice address at 2551 75TH St, Darien, IL, 60561. Phone: (630) 528-0808. Providers update this record themselves, so call before visiting.
How can I verify Steven Casimir Tharp, D.D.S.'s license?
NPPES lists Illinois license number 019.028356, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Steven Casimir Tharp, D.D.S. prescribe under Medicare Part D?
In 2024, Steven Casimir Tharp, D.D.S. had 15 Medicare Part D claims; 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.