Registry data as of Aug 27, 2026

Mark Breiner, D.D.S.

General Practice Dentistry · Trumbull, CT

Mark Breiner, D.D.S. is a general practice dentistry with a practice address in Trumbull, Connecticut, and NPI 1427348085, issued on Apr 15, 2011. Check the license (Connecticut CT4359, as entered in NPPES) with the Connecticut board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1427348085
Name
Mark Breiner
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
CT4359 CT
Self-reported in NPPES; status is on the state search
Practice location
5520 Park Ave, Trumbull, CT 06611
Phone
(203) 371-0300
Enumerated
Apr 15, 2011
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 5520 Park Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jenna AddisonRegistered Nurse1649725656
  2. Melanie Albright, C.N.M.Advanced Practice Midwife1609892058
  3. Robin Berger, MDObstetrics & Gynecology Physician1043327653
  4. Adam Breiner, N.D.Naturopath1497819601
  5. Hanna Caridad, MS, RD, CDNRegistered Dietitian1114681988
  6. Caroline Carruth, PA-CPhysician Assistant1427712272

Verify Mark Breiner in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
    Search for license CT4359
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Connecticut license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

15 general practice dentistry records list a Trumbull practice address

They are 15 of the 786 NPPES records with a Trumbull practice address, and 1,629 general practice dentistry records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other general practice dentistry records in Connecticut

  1. Jadee Abbott, DDSBerlin, CT1801456306
  2. Bruce Abel, D.M.D.West Hartford, CT1265553119
  3. Stuart Abrams, DMDStamford, CT1003994393
  4. Dimitri Adamidis, DMDNewington, CT1558008102
  5. Dunkin AdamsNorwalk, CT1598330045
  6. Tabrez Adil, DMDMiddletown, CT1184101263
  7. Shande Adinyaguev, DDSNew Haven, CT1346862570
  8. Anna Adjei, DDSNorwalk, CT1811717382
  9. Mehnosh Afkari, D.M.D.Norwalk, CT1710093711
  10. Ervin Agababaev, DDSNorwalk, CT1922197557

Common questions

What is Mark Breiner, D.D.S.'s NPI number?

Mark Breiner, D.D.S.'s National Provider Identifier (NPI) is 1427348085, issued on Apr 15, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Mark Breiner, D.D.S. located?

The NPPES record lists a practice address at 5520 Park Ave, Trumbull, CT, 06611. Phone: (203) 371-0300. Providers update this record themselves, so call before visiting.

How can I verify Mark Breiner, D.D.S.'s license?

NPPES lists Connecticut license number CT4359, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.