Mark Steven Dewaele, DMD
General Practice Dentistry · New Canaan, CT
Mark Steven Dewaele, DMD is a general practice dentistry with a practice address in New Canaan, Connecticut, and NPI 1457687170, issued on Oct 30, 2009. Check the license (Connecticut 6671, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Steven Dewaele
- Credential
- DMD
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 6671 CT
Self-reported in NPPES; status is on the state search - Practice location
- 208 South Ave, New Canaan, CT 06840
- Phone
- (203) 966-5944
- Enumerated
- Oct 30, 2009
- Record last updated
- Oct 30, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (203) 966-9154
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 1,731 in Connecticut → Look up another NPI →
Also registered at 208 South Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Catherine Beeson, DDSGeneral Practice Dentistry1598098667
Verify Mark Steven Dewaele in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 6671Check 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 general practice dentistry in 2024
19 Medicare Part D claims for 13 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.
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.
Mark Steven Dewaele among 1,731 general practice dentistry records in Connecticut
Mark Steven Dewaele, DMD is one of 1,731 general practice dentistry records with a practice address in Connecticut. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 66% of them.
- NPI issued2009 · 66% of these records are older, 31% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2009 · 80% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 general practice dentistry records list a practice address in New Canaan
They are 7 of the 276 NPPES records with a practice address in New Canaan, and 1,731 general practice dentistry records in Connecticut.
All 1,731 in Connecticut → Every provider in New Canaan → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Catherine Beeson, DDSNew Canaan, CT 068401598098667
- Rachel Branzer, DDSNew Canaan, CT 068401497593842
- Richard Chae, DDSNew Canaan, CT 068401386133056
- William Introcaso, DMD.New Canaan, CT 068401336561562
- Matthew Iwinski, D.D.S.New Canaan, CT 068401275535387
- John Kerchoff, DMDNew Canaan, CT 068401215936554
- Barbara Devine, D.M.D. M.A.G.D.Greenwich, CT 068311295931798
- Vivy Dustin, DDSGreenwich, CT 068311881815678
Common questions
What is Mark Steven Dewaele, DMD's NPI number?
Mark Steven Dewaele, DMD's National Provider Identifier (NPI) is 1457687170, issued on Oct 30, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Mark Steven Dewaele, DMD located?
The NPPES record lists a practice address at 208 South Ave, New Canaan, CT, 06840. Phone: (203) 966-5944. Providers update this record themselves, so call before visiting.
How can I verify Mark Steven Dewaele, DMD's license?
NPPES lists Connecticut license number 6671, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Steven Dewaele, DMD prescribe under Medicare Part D?
In 2024, Mark Steven Dewaele, DMD had 19 Medicare Part D claims for 13 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.