Steven Sideris, DDS
Dentist · Litchfield, CT
Steven Sideris, DDS is a dentist with a practice address in Litchfield, Connecticut, and NPI 1659416238, issued on Feb 21, 2007. Check the license (Connecticut 8590, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Steven Sideris
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 8590 CT
Self-reported in NPPES; status is on the state search - Practice location
- 63 West St, Litchfield, CT 06759
- Phone
- (860) 567-9488
- Enumerated
- Feb 21, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (860) 567-4365
- Entity
- Type 1 · individual
8 nearest dentist records → All 862 in Connecticut → Look up another NPI →
Also registered at 63 West St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Steven Sideris in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 8590Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average dentist in 2024
31 Medicare Part D claims for 19 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
- Amoxicillin13 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: $108.61
6 payments; by number, the most common kind was food and beverage; the largest payer was Thommen Medical USA, LLC. 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 Sideris among 862 dentist records in Connecticut
Steven Sideris, DDS is one of 862 dentist records with a practice address in Connecticut. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 21% of them.
- NPI issued2007 · 21% of these records are older, 55% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 75% 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 dentist records list a practice address in Litchfield
They are 2 of the 113 NPPES records with a practice address in Litchfield, and 862 dentist records in Connecticut.
All 862 in Connecticut → Every provider in Litchfield → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Raquel Manley, DMDLitchfield, CT 067591750884680
- Michael Monsarrat, DMDKent, CT 067571518057942
- Joanne D'Angelo, D.M.D.Middlebury, CT 067621790831170
- Magdy Mikaiel, DDSMiddlebury, CT 067621285835918
- Suzanna Nemeth, D.M.D.Bantam, CT 067501629296561
- Dawn Mikaitis, DMDNaugatuck, CT 067701225046022
- Robert Prifty, DMDNaugatuck, CT 067701861519860
- Christopher Carlone, D.D.S.New Milford, CT 067761376985259
Common questions
What is Steven Sideris, DDS's NPI number?
Steven Sideris, DDS's National Provider Identifier (NPI) is 1659416238, issued on Feb 21, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Steven Sideris, DDS located?
The NPPES record lists a practice address at 63 West St, Litchfield, CT, 06759. Phone: (860) 567-9488. Providers update this record themselves, so call before visiting.
How can I verify Steven Sideris, DDS's license?
NPPES lists Connecticut license number 8590, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Steven Sideris, DDS prescribe under Medicare Part D?
In 2024, Steven Sideris, DDS had 31 Medicare Part D claims for 19 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.