Constantine Vlassopoulos, DDS
General Practice Dentistry · Kittery, ME
Constantine Vlassopoulos, DDS is a general practice dentistry with a practice address in Kittery, Maine, and NPI 1861840472, issued on May 25, 2016. Check the license (Maine DEN4471, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Constantine Vlassopoulos
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- DEN4471 ME
Self-reported in NPPES; status is on the state search - Practice location
- 12 Newmarch St, Kittery, ME 03904
- Phone
- (207) 305-9141
- Enumerated
- May 25, 2016
- Record last updated
- Feb 27, 2026
- Medicare enrollment
- Enrolled (PECOS I20260212004312); may accept Medicare assignment
- Medical or professional school
- Columbia University College Of Dental Medicine, 1992
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 519 in Maine → Look up another NPI →
Also registered at 12 Newmarch St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mark Governo, D.M.DGeneral Practice Dentistry1649359746
- Jeffrey Graffam, DMDDentist1073818217
- Ajisa Liti, DMDGeneral Practice Dentistry1699355461
- Stephen Swallow, DDSGeneral Practice Dentistry1346368065
Verify Constantine Vlassopoulos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license DEN4471Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average general practice dentistry in 2024
50 Medicare Part D claims for 29 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin-Clavulanate Potass19 claims
- Methylprednisolone17 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: $111.77
2 payments; by number, the most common kind was food and beverage; the largest payer was Envista Holdings Corporation. 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.
Constantine Vlassopoulos among 519 general practice dentistry records in Maine
Constantine Vlassopoulos, DDS is one of 519 general practice dentistry records with a practice address in Maine. 55% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 70% of them.
- NPI issued2016 · 70% of these records are older, 28% newer
- In a Medicare fileYes · 55% of these records are
- In the CMS Doctors and Clinicians fileYes · under 1% of these records are
- Record last updated2026 · 68% 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 Maine 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 Kittery
They are 7 of the 175 NPPES records with a practice address in Kittery, and 519 general practice dentistry records in Maine.
All 519 in Maine → Every provider in Kittery → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Mason Barker, DMDKittery, ME 039041447811385
- Robert Bogard, DDSKittery, ME 039041558447623
- Mark Governo, D.M.DKittery, ME 039041649359746
- Ajisa Liti, DMDKittery, ME 039041699355461
- Cuong Nguyen, D.D.S.Kittery, ME 039041306804174
- Stephen Swallow, DDSKittery, ME 039041346368065
- Patrick RaczEliot, ME 039031114087103
- Fredric Amidon, DMDYork, ME 039091942306246
Common questions
What is Constantine Vlassopoulos, DDS's NPI number?
Constantine Vlassopoulos, DDS's National Provider Identifier (NPI) is 1861840472, issued on May 25, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Constantine Vlassopoulos, DDS located?
The NPPES record lists a practice address at 12 Newmarch St, Kittery, ME, 03904. Phone: (207) 305-9141. Providers update this record themselves, so call before visiting.
How can I verify Constantine Vlassopoulos, DDS's license?
NPPES lists Maine license number DEN4471, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
How much does Constantine Vlassopoulos, DDS prescribe under Medicare Part D?
In 2024, Constantine Vlassopoulos, DDS had 50 Medicare Part D claims for 29 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.